GDD Seasonal Summary (Degree Days)

Note: Data is updated after midnight each day.
Northern Hemisphere Meterological Seasons
Winter: January, February, March
Spring: April, May, June
Summer: July, August, September
Autumn: October, November, December

 Daily DetailMonthly SummarySeasonal Summary 


GDD Growing Degree Days
DateWinterSpringSummerAutumnYear
Dec 2025 / Nov 202651.1* 5.6 less than the Winter average.205.2* 14.6 more than the Spring average.994.8 381.5 more than the Summer average.329.8* 21.8 more than the Autumn average.1580.8* 412.3 more than the yearly average.
Dec 2024 / Nov 202547.0* 9.6 less than the Winter average.323.7* 133.1 more than the Spring average.---143.2* 164.8 less than the Autumn average.513.9* 654.6 less than the yearly average.
Dec 2023 / Nov 202476.2* 19.6 more than the Winter average.210.0* 19.4 more than the Spring average.420.1* 193.1 less than the Summer average.294.1* 13.9 less than the Autumn average.1000.5* 168 less than the yearly average.
Dec 2022 / Nov 202358.1* 1.5 more than the Winter average.154.6* 36 less than the Spring average.500.0* 113.3 less than the Summer average.356.4* 48.5 more than the Autumn average.1069.2* 99.4 less than the yearly average.
Dec 2021 / Nov 202265.5* 8.8 more than the Winter average.135.6* 55.1 less than the Spring average.567.1* 46.2 less than the Summer average.346.4* 38.4 more than the Autumn average.1114.5* 54.1 less than the yearly average.
Dec 2020 / Nov 202168.7* 12 more than the Winter average.145.7* 44.9 less than the Spring average.679.1 65.8 more than the Summer average.373.9* 65.9 more than the Autumn average.1267.3* 98.8 more than the yearly average.
Dec 2019 / Nov 202046.3* 10.4 less than the Winter average.247.8* 57.2 more than the Spring average.608.6 4.7 less than the Summer average.311.9* 3.9 more than the Autumn average.1214.6* 46 more than the yearly average.
Dec 2018 / Nov 201965.8* 9.2 more than the Winter average.217.5* 26.9 more than the Spring average.582.4* 30.9 less than the Summer average.272.9* 35.1 less than the Autumn average.1138.6* 30 less than the yearly average.
Dec 2017 / Nov 201838.7* 18 less than the Winter average.233.8* 43.2 more than the Spring average.726.6 113.4 more than the Summer average.311.4* 3.5 more than the Autumn average.1310.6* 142 more than the yearly average.
Dec 2016 / Nov 201751.5* 5.1 less than the Winter average.239.5* 48.9 more than the Spring average.589.7 23.6 less than the Summer average.300.4* 7.5 less than the Autumn average.1181.2* 12.6 more than the yearly average.
Dec 2015 / Nov 201697.7* 41 more than the Winter average.173.6* 17.1 less than the Spring average.612.3 1 less than the Summer average.295.2* 12.8 less than the Autumn average.1178.8* 10.2 more than the yearly average.
Dec 2014 / Nov 201542.0* 14.7 less than the Winter average.35.7* 154.9 less than the Spring average.535.5 77.7 less than the Summer average.290.1* 17.9 less than the Autumn average.903.2* 265.3 less than the yearly average.
Dec 2013 / Nov 201451.7* 5 less than the Winter average.211.7* 21.1 more than the Spring average.684.9 71.6 more than the Summer average.391.9* 83.9 more than the Autumn average.1340.2* 171.6 more than the yearly average.
Dec 2012 / Nov 201333.1* 23.5 less than the Winter average.134.2* 56.5 less than the Spring average.692.6 79.3 more than the Summer average.335.6* 27.7 more than the Autumn average.1195.5* 27 more than the yearly average.
Dec 2011 / Nov 2012------392.1* 221.1 less than the Summer average.266.6* 41.4 less than the Autumn average.658.7* 509.9 less than the yearly average.
 
Max97.7 323.7 994.8 391.9 1580.8
Avg56.7 190.6 613.3 308.0 1168.6
Min33.1 35.7 392.1 143.2 513.9
 
Color Key
< 1.0 1.0 - 70.0 70.0 - 140.0 140.0 - 210.0 210.0 - 280.0 280.0 - 350.0 350.0 - 420.0 420.0 - 490.0 490.0 - 560.0 560.0 - 630.0630.0>
* denotes incomplete data for the month/year.

Script Developed by Murry Conarroe of Wildwood Weather.