Degree Days Summary (18°C Base)

Data last updated 13/6/2025 08:40 AM.






 Daily DetailMonthly SummarySeasonal Summary 


DateHeating Degree Days
julaugsepoktnovdecjanfebmaaaprmeijunJaar
2024 / 202537.6* 10.7 more than the juli average.4.3 24.5 less than the augustus average.81.1 14.5 less than the september average.177.5 19.1 less than the oktober average.336.1 16.5 more than the november average.385.1 6.8 more than the december average.459.2 51.2 more than the januari average.378.8* 5.2 less than the february average.312.4* 34 less than the maart average.------297.9 232.8 more than the juni average.2470.0* 138.3 less than the yearly average.
2023 / 202428.5 1.6 more than the juli average.42.1 13.3 more than the augustus average.40.7 54.9 less than the september average.160.4 36.2 less than the oktober average.326.2 6.6 more than the november average.292.4* 85.9 less than the december average.464.1 56.1 more than the januari average.299.8 84.2 less than the february average.284.3* 62.1 less than the maart average.201.0* 24.3 less than the april average.83.5* 50.2 less than the mei average.72.2 7.1 more than the juni average.2295.2* 313.1 less than the yearly average.
2022 / 202317.3 9.6 less than the juli average.6.9 21.9 less than the augustus average.114.4* 18.8 more than the september average.150.1* 46.5 less than the oktober average.295.7 23.9 less than the november average.451.6 73.3 more than the december average.410.0 2 more than the januari average.360.2 23.8 less than the february average.358.0 11.6 more than the maart average.280.7* 55.4 more than the april average.145.1* 11.4 more than the mei average.1.0* 64.1 less than the juni average.2591.0* 17.3 less than the yearly average.
2021 / 202222.2 4.7 less than the juli average.48.5 19.7 more than the augustus average.70.6 25 less than the september average.208.9 12.3 more than the oktober average.339.5 19.9 more than the november average.403.9 25.6 more than the december average.425.5 17.5 more than the januari average.336.7 47.3 less than the february average.335.7 10.7 less than the maart average.267.5 42.2 more than the april average.120.3 13.4 less than the mei average.47.7 17.4 less than the juni average.2627.0 18.7 more than the yearly average.
2020 / 202146.5* 19.6 more than the juli average.13.0* 15.8 less than the augustus average.70.0* 25.6 less than the september average.178.9* 17.7 less than the oktober average.213.2* 106.4 less than the november average.408.7 30.4 more than the december average.475.1 67.1 more than the januari average.394.9 10.9 more than the february average.371.7 25.3 more than the maart average.356.6 131.3 more than the april average.221.6 87.9 more than the mei average.30.1 35 less than the juni average.2780.3* 172 more than the yearly average.
2019 / 202032.4 5.5 more than the juli average.23.5 5.3 less than the augustus average.110.2 14.6 more than the september average.213.6 17 more than the oktober average.368.9 49.3 more than the november average.402.7 24.4 more than the december average.216.7* 191.3 less than the januari average.245.6* 138.4 less than the february average.361.8 15.4 more than the maart average.191.5* 33.8 less than the april average.148.0 14.3 more than the mei average.53.4 11.7 less than the juni average.2368.3* 240 less than the yearly average.
2018 / 20194.4 22.5 less than the juli average.25.1 3.7 less than the augustus average.91.9 3.7 less than the september average.190.8 5.8 less than the oktober average.339.3 19.7 more than the november average.370.2* 8.1 less than the december average.20.3* 387.7 less than the januari average.344.6 39.4 less than the february average.326.3 20.1 less than the maart average.227.2 1.9 more than the april average.199.8 66.1 more than the mei average.36.6* 28.5 less than the juni average.2176.5* 431.8 less than the yearly average.
2017 / 201823.1 3.8 less than the juli average.23.9 4.9 less than the augustus average.121.7 26.1 more than the september average.157.4 39.2 less than the oktober average.336.4 16.8 more than the november average.134.0* 244.3 less than the december average.390.9 17.1 less than the januari average.488.2 104.2 more than the february average.414.5 68.1 more than the maart average.168.6 56.7 less than the april average.71.8 61.9 less than the mei average.56.6 8.5 less than the juni average.2387.1* 221.2 less than the yearly average.
2016 / 201721.0 5.9 less than the juli average.24.4 4.4 less than the augustus average.---248.2 51.6 more than the oktober average.373.8 54.2 more than the november average.419.8 41.5 more than the december average.519.4 111.4 more than the januari average.374.0 10 less than the february average.288.4 58 less than the maart average.280.6 55.3 more than the april average.105.5 28.2 less than the mei average.6.0* 59.1 less than the juni average.2661.1* 52.8 more than the yearly average.
2015 / 201633.3 6.4 more than the juli average.15.3* 13.5 less than the augustus average.137.7 42.1 more than the september average.247.1 50.5 more than the oktober average.205.4* 114.2 less than the november average.270.7 107.6 less than the december average.415.5 7.5 more than the januari average.392.4 8.4 more than the february average.391.5 45.1 more than the maart average.278.1 52.8 more than the april average.103.5* 30.2 less than the mei average.49.4 15.7 less than the juni average.2539.9* 68.4 less than the yearly average.
2014 / 201513.6 13.3 less than the juli average.74.5 45.7 more than the augustus average.61.0 34.6 less than the september average.148.2 48.4 less than the oktober average.298.6 21 less than the november average.348.1* 30.2 less than the december average.452.1 44.1 more than the januari average.417.1 33.1 more than the february average.370.5 24.1 more than the maart average.262.5 37.2 more than the april average.168.9 35.2 more than the mei average.75.0 9.9 more than the juni average.2690.1* 81.8 more than the yearly average.
2013 / 20143.4* 23.5 less than the juli average.---117.1 21.5 more than the september average.186.5 10.1 less than the oktober average.342.3 22.7 more than the november average.387.9 9.6 more than the december average.391.8 16.2 less than the januari average.329.6 54.4 less than the february average.295.4 51 less than the maart average.173.5 51.8 less than the april average.143.6 9.9 more than the mei average.57.6 7.5 less than the juni average.2428.7* 179.6 less than the yearly average.
2012 / 201353.8 26.9 more than the juli average.19.7 9.1 less than the augustus average.118.3 22.7 more than the september average.235.9 39.3 more than the oktober average.345.1 25.5 more than the november average.415.0 36.7 more than the december average.507.8 99.8 more than the januari average.446.7* 62.7 more than the february average.486.5 140.1 more than the maart average.---24.2* 109.5 less than the mei average.36.1* 29 less than the juni average.2689.1* 80.8 more than the yearly average.
2011 / 201256.4* 29.5 more than the juli average.38.0* 9.2 more than the augustus average.71.6 24 less than the september average.205.2 8.6 more than the oktober average.323.8 4.2 more than the november average.379.6 1.3 more than the december average.415.9 7.9 more than the januari average.510.8 126.8 more than the february average.304.3 42.1 less than the maart average.94.9* 130.4 less than the april average.126.1 7.6 less than the mei average.95.2 30.1 more than the juni average.2621.8* 13.5 more than the yearly average.
2010 / 20119.8 17.1 less than the juli average.44.4 15.6 more than the augustus average.132.0 36.4 more than the september average.240.1 43.5 more than the oktober average.349.5* 29.9 more than the november average.605.3 227 more than the december average.459.6 51.6 more than the januari average.359.0* 25 less than the february average.342.1* 4.3 less than the maart average.121.4* 103.9 less than the april average.113.7* 20 less than the mei average.74.6 9.5 more than the juni average.2851.5* 243.2 more than the yearly average.
2009 / 2010------------------504.5* 96.5 more than the januari average.465.7 81.7 more than the february average.299.6* 46.8 less than the maart average.250.7 25.4 more than the april average.230.4 96.7 more than the mei average.52.4* 12.7 less than the juni average.1803.3* 805 less than the yearly average.
 
Max56.4 74.5 137.7 248.2 373.8 605.3 519.4 510.8 486.5 356.6 230.4 297.9 3184.4
Avg26.9 28.8 95.6 196.6 319.6 378.3 408.0 384.0 346.4 225.3 133.7 65.1 2608.3
Min3.4 4.3 40.7 148.2 205.4 134.0 20.3 245.6 284.3 94.9 24.2 1.0 1448.3
 
 
DateCooling Degree Days)
janfebmaaaprmeijunjulaugsepoktnovdecJaar
20250.0  0.0*  0.0*  ------0.6 20.5 less than the juni average.------------------0.6* 118.5 less than the yearly average.
20240.0  0.0  0.0*  0.0* 0.7 less than the april average.5.3* 2.3 less than the mei average.20.5 0.6 less than the juni average.8.4* 34 less than the juli average.70.2 32.2 more than the augustus average.23.8 14.9 more than the september average.0.0 0.4 less than the oktober average.0.0  0.0  128.2* 9.1 more than the yearly average.
20230.0  0.0  0.0  0.0* 0.7 less than the april average.0.0* 7.6 less than the mei average.18.2* 2.9 less than the juni average.27.2 15.2 less than the juli average.26.4 11.6 less than the augustus average.35.8 26.9 more than the september average.0.9 0.5 more than the oktober average.0.0  0.0*  108.5* 10.6 less than the yearly average.
20220.0  0.0  0.0  0.0 0.7 less than the april average.2.4 5.2 less than the mei average.20.5 0.6 less than the juni average.44.9 2.5 more than the juli average.78.1 40.1 more than the augustus average.14.2* 5.3 more than the september average.0.0* 0.4 less than the oktober average.0.0  0.0  160.1* 41 more than the yearly average.
20210.0  0.0  0.0  0.0 0.7 less than the april average.0.0 7.6 less than the mei average.40.4 19.3 more than the juni average.11.1 31.3 less than the juli average.2.9 35.1 less than the augustus average.6.4 2.5 less than the september average.0.0 0.4 less than the oktober average.0.0  0.0  60.8 58.3 less than the yearly average.
20200.0*  0.0*  0.0  0.0* 0.7 less than the april average.2.6 5 less than the mei average.28.6 7.5 more than the juni average.10.3* 32.1 less than the juli average.68.5* 30.5 more than the augustus average.7.8* 1.1 less than the september average.0.0* 0.4 less than the oktober average.0.0*  0.0  117.8* 1.3 less than the yearly average.
20190.0*  0.0  0.0  0.0 0.7 less than the april average.0.0 7.6 less than the mei average.44.0* 22.9 more than the juni average.54.8 12.4 more than the juli average.39.5 1.5 more than the augustus average.0.2 8.7 less than the september average.0.0 0.4 less than the oktober average.0.0  0.0  138.5* 19.4 more than the yearly average.
20180.0  0.0  0.0  4.5 3.8 more than the april average.37.5 29.9 more than the mei average.20.8 0.3 less than the juni average.109.3 66.9 more than the juli average.61.7 23.7 more than the augustus average.9.2 0.3 more than the september average.3.1 2.7 more than the oktober average.0.0  0.0*  246.1* 127 more than the yearly average.
20170.0  0.0  0.0  0.0 0.7 less than the april average.25.0 17.4 more than the mei average.29.4* 8.3 more than the juni average.30.8 11.6 less than the juli average.18.7 19.3 less than the augustus average.0.7 8.2 less than the september average.1.0 0.6 more than the oktober average.0.0  0.0*  105.6* 13.5 less than the yearly average.
20160.0  0.0  0.0  0.0 0.7 less than the april average.12.2* 4.6 more than the mei average.16.6 4.5 less than the juni average.46.5 4.1 more than the juli average.35.2 2.8 less than the augustus average.---0.0 0.4 less than the oktober average.0.0  0.0  110.5* 8.6 less than the yearly average.
20150.0  0.0  0.0  0.0 0.7 less than the april average.0.0 7.6 less than the mei average.17.6 3.5 less than the juni average.54.3 11.9 more than the juli average.47.2* 9.2 more than the augustus average.0.0 8.9 less than the september average.0.0 0.4 less than the oktober average.0.0*  0.0  119.1*  
20140.0  0.0  0.0  0.0 0.7 less than the april average.4.4 3.2 less than the mei average.11.7 9.4 less than the juni average.67.4 25 more than the juli average.14.7 23.3 less than the augustus average.3.8 5.1 less than the september average.0.0 0.4 less than the oktober average.0.0  0.0*  102.0* 17.1 less than the yearly average.
20130.0  0.0*  0.0  ---0.0* 7.6 less than the mei average.12.0* 9.1 less than the juni average.56.9* 14.5 more than the juli average.---10.2 1.3 more than the september average.0.0 0.4 less than the oktober average.0.0  0.0  79.1* 40 less than the yearly average.
20120.0  0.0  0.0  0.0* 0.7 less than the april average.17.1 9.5 more than the mei average.7.9 13.2 less than the juni average.30.5 11.9 less than the juli average.46.2 8.2 more than the augustus average.3.2 5.7 less than the september average.0.0 0.4 less than the oktober average.0.0  0.0  104.9* 14.2 less than the yearly average.
20110.0  0.0*  0.0*  4.2* 3.5 more than the april average.7.2* 0.4 less than the mei average.21.2 0.1 more than the juni average.2.3* 40.1 less than the juli average.12.6* 25.4 less than the augustus average.9.4 0.5 more than the september average.0.3 0.1 less than the oktober average.0.0  0.0  57.2* 61.9 less than the yearly average.
20100.0*  0.0  0.0*  1.2 0.5 more than the april average.0.3 7.3 less than the mei average.27.4* 6.3 more than the juni average.81.7 39.3 more than the juli average.9.9 28.1 less than the augustus average.0.0 8.9 less than the september average.0.3 0.1 less than the oktober average.0.0*  0.0  120.8* 1.7 more than the yearly average.
 
Max0.0 0.0 0.0 4.5 37.5 44.0 109.3 78.1 35.8 3.1 0.0 0.0 246.1
Avg0.0 0.0 0.0 0.7 7.6 21.1 42.4 38.0 8.9 0.4 0.0 0.0 119.1
Min0.0 0.0 0.0 0.0 0.0 0.6 2.3 2.9 0.0 0.0 0.0 0.0 0.6
 
Color Key
< 100 100 - 200 200 - 300 300 - 400 400 - 500 500 - 600 600 - 700 700 - 800 800 - 900 900 - 1000 1000 - 1100 1100 - 12001200>
* denotes incomplete data for the month/year.

A Degree Day is a unit of measurement equal to a difference of one degree between the mean outdoor temperature and a reference temperature (18°C). Degree Days are used in estimating the energy needs for heating or cooling a building.

Script Developed by Murry Conarroe of Wildwood Weather.