Warm Nights (Tmin>68℉) and Spells (2 or more Consecutive Warm Nights) in Maryland
1991-2020 Climatology: January 1 - December 31


NOTE: Data From NCEI's nClimDiv-Daily data set v1.0.0.
Data labeled as scaled on November 11, 2024.

RegionNo. of Warm NightsMean Temp among all Warm Nights (℉)Max Temp among all Warm Nights (℉)Night when Max Temp among Warm Nights occursNo. of Spells (#)Mean Duration of Spells (days)Longest Spell (days)Start of the First SpellStart of Last SpellMean Temp of all Temps in Spells (℉)Mean Temp of Spells Mean Temps (℉)Max Temp of Spells Mean Temps (℉)No. of Spell when Max Temp of Spells Mean Temps occursMax Temp within all Spells (℉)Night when Max Temp within all Spells occurs
Statewide 27 70.3 73.822 Jul 6 4 823 Jun28 Aug 70.4 70.2 71.6 3 73.822 Jul
Clim. Div. 1 46 71.0 76.229 Jul 8 5 1513 Jun 7 Sep 71.1 70.7 72.7 5 76.229 Jul
Clim. Div. 2 41 70.9 75.626 Jul 8 5 1213 Jun 5 Sep 71.0 70.6 72.4 5 75.626 Jul
Clim. Div. 3 48 71.0 75.826 Jul 8 5 14 8 Jun 6 Sep 71.1 70.7 72.5 5 75.826 Jul
Clim. Div. 4 45 71.0 76.027 Jul 8 5 1113 Jun 4 Sep 71.2 70.8 72.8 5 76.027 Jul
Clim. Div. 5 39 70.8 75.624 Jul 7 5 1214 Jun 1 Sep 71.0 70.6 72.2 4 75.624 Jul
Clim. Div. 6 24 70.2 73.722 Jul 6 4 725 Jun26 Aug 70.3 70.1 71.4 3 73.723 Jul
Clim. Div. 7 7 69.4 71.124 Jul 2 3 417 Jul 6 Aug 69.5 69.4 70.1 2 71.424 Jul
Clim. Div. 8 0**************** 0***********************************************
Allegany 4 69.2 70.423 Jul 1 3 422 Jul 8 Aug 69.5 69.5 70.0 1 71.129 Jul
Anne Arundel 49 71.3 76.727 Jul 8 6 1313 Jun 7 Sep 71.4 71.0 72.9 5 76.727 Jul
Baltimore 26 70.2 74.024 Jul 5 4 825 Jun25 Aug 70.4 70.2 71.5 3 74.024 Jul
Calvert 46 71.0 75.930 Jul 8 5 1310 Jun 6 Sep 71.1 70.7 72.7 5 75.930 Jul
Caroline 32 70.6 74.721 Jul 7 4 917 Jun29 Aug 70.8 70.5 71.9 4 74.721 Jul
Carroll 15 69.7 72.522 Jul 4 3 530 Jun13 Aug 69.9 69.8 70.9 2 72.719 Jul
Cecil 32 70.5 74.627 Jul 6 5 922 Jun28 Aug 70.7 70.4 71.9 3 74.626 Jul
Charles 46 71.0 75.826 Jul 8 5 13 9 Jun 4 Sep 71.1 70.7 72.6 5 75.826 Jul
Dorchester 44 71.0 76.029 Jul 8 5 1310 Jun 5 Sep 71.2 70.7 72.7 5 76.029 Jul
Frederick 19 69.8 73.022 Jul 5 4 629 Jun22 Aug 70.0 69.8 71.0 3 72.921 Jul
Garrett 0**************** 0***********************************************
Harford 29 70.5 74.522 Jul 6 4 823 Jun28 Aug 70.7 70.4 71.9 3 74.522 Jul
Howard 24 70.1 73.722 Jul 6 4 725 Jun27 Aug 70.2 70.0 71.3 3 73.624 Jul
Kent 41 70.9 75.823 Jul 7 5 1214 Jun 1 Sep 71.1 70.7 72.4 4 75.823 Jul
Montgomery 29 70.4 74.221 Jul 6 4 821 Jun29 Aug 70.5 70.3 71.8 3 74.123 Jul
Prince George's 40 70.8 75.527 Jul 8 5 1015 Jun 3 Sep 71.0 70.7 72.5 5 75.527 Jul
Queen Anne's 38 70.7 75.423 Jul 7 5 1014 Jun 2 Sep 70.9 70.6 72.1 4 75.423 Jul
Saint Mary's 49 71.0 75.927 Jul 8 6 15 8 Jun 6 Sep 71.1 70.6 72.6 5 75.927 Jul
Somerset 52 71.3 76.929 Jul 8 6 1710 Jun 8 Sep 71.5 71.0 73.2 5 76.929 Jul
Talbot 45 71.0 76.025 Jul 8 5 1313 Jun 5 Sep 71.1 70.7 72.6 5 76.025 Jul
Washington 13 69.6 72.119 Jul 3 4 5 4 Jul 6 Aug 69.7 69.6 70.5 2 72.220 Jul
Wicomico 40 70.9 75.729 Jul 8 5 1214 Jun 5 Sep 71.0 70.7 72.4 5 75.729 Jul
Worcester 45 71.0 76.030 Jul 8 5 1416 Jun 6 Sep 71.2 70.8 72.6 5 76.031 Jul
Baltimore City 46 71.2 76.526 Jul 8 5 1314 Jun 4 Sep 71.4 71.0 72.7 4 76.526 Jul
Washington DC 46 71.1 76.325 Jul 9 5 11 9 Jun 5 Sep 71.3 70.9 73.1 5 76.325 Jul