Warm Days (Tmax>80℉) and Spells (2 or more Consecutive Warm Days) 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 DaysMean Temp among all Warm Days (℉)Max Temp among all Warm Days (℉)Day when Max Temp among Warm Days 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 (℉)Day when Max Temp within all Spells occurs
Statewide 101 86.1 95.713 Jul 11 9 3330 Apr21 Sep 86.3 85.0 89.2 6 95.713 Jul
Clim. Div. 1 107 86.5 97.116 Jul 10 11 41 4 May25 Sep 86.6 85.1 89.2 5 97.116 Jul
Clim. Div. 2 111 86.9 97.6 8 Jul 11 10 3928 Apr28 Sep 87.1 85.3 89.9 5 97.6 8 Jul
Clim. Div. 3 109 86.8 96.914 Jul 12 10 3821 Apr28 Sep 86.9 85.3 89.8 6 96.914 Jul
Clim. Div. 4 109 87.0 97.214 Jul 12 9 3626 Apr27 Sep 87.2 85.7 90.1 6 97.214 Jul
Clim. Div. 5 105 86.8 97.212 Jul 11 10 3530 Apr25 Sep 87.0 85.4 89.9 5 97.212 Jul
Clim. Div. 6 99 86.2 95.911 Jul 11 9 30 1 May20 Sep 86.4 85.3 89.4 6 95.911 Jul
Clim. Div. 7 99 86.1 95.315 Jul 12 8 2928 Apr25 Sep 86.2 85.0 89.2 6 95.315 Jul
Clim. Div. 8 41 82.8 87.616 Jul 9 4 923 May 6 Sep 83.0 82.6 84.7 5 87.518 Jul
Allegany 97 85.8 94.721 Jul 13 8 2726 Apr25 Sep 86.0 84.8 88.8 7 94.721 Jul
Anne Arundel 109 87.0 97.413 Jul 11 10 3626 Apr27 Sep 87.2 85.5 90.1 5 97.413 Jul
Baltimore 102 86.4 96.310 Jul 11 9 33 1 May22 Sep 86.6 85.4 89.6 6 96.310 Jul
Calvert 105 86.5 96.514 Jul 12 9 3428 Apr26 Sep 86.7 85.2 89.8 6 96.514 Jul
Caroline 112 87.1 97.9 7 Jul 11 10 3927 Apr29 Sep 87.3 85.6 90.2 5 97.9 7 Jul
Carroll 94 85.8 95.114 Jul 12 8 2530 Apr20 Sep 86.0 85.0 89.2 6 95.114 Jul
Cecil 97 86.2 96.314 Jul 11 9 31 5 May21 Sep 86.4 85.0 89.2 5 96.314 Jul
Charles 112 87.0 97.314 Jul 12 10 3821 Apr30 Sep 87.2 85.6 90.0 6 97.314 Jul
Dorchester 111 86.9 97.5 8 Jul 11 10 4027 Apr30 Sep 87.1 85.3 89.9 6 97.5 8 Jul
Frederick 97 86.0 95.513 Jul 12 8 2630 Apr21 Sep 86.2 85.1 89.3 6 95.513 Jul
Garrett 41 82.8 87.616 Jul 9 4 923 May 7 Sep 83.0 82.6 84.7 5 87.618 Jul
Harford 100 86.5 96.611 Jul 11 10 34 2 May22 Sep 86.6 85.3 89.6 5 96.611 Jul
Howard 100 86.3 95.811 Jul 12 8 2829 Apr23 Sep 86.5 85.3 89.6 6 95.811 Jul
Kent 104 86.7 97.011 Jul 11 9 33 2 May25 Sep 86.9 85.3 89.9 5 97.011 Jul
Montgomery 100 86.3 95.815 Jul 12 8 2828 Apr21 Sep 86.4 85.2 89.5 7 95.815 Jul
Prince George's109 87.0 97.113 Jul 12 9 3623 Apr28 Sep 87.2 85.7 90.1 6 97.113 Jul
Queen Anne's 107 86.8 97.312 Jul 11 10 3429 Apr27 Sep 87.0 85.3 89.9 6 97.312 Jul
Saint Mary's 108 86.6 96.615 Jul 12 10 3726 Apr29 Sep 86.7 85.1 89.6 6 96.615 Jul
Somerset 108 86.5 97.115 Jul 11 11 41 4 May25 Sep 86.7 85.1 89.3 5 97.115 Jul
Talbot 108 86.9 97.4 9 Jul 11 10 3729 Apr26 Sep 87.1 85.4 90.0 5 97.4 9 Jul
Washington 102 86.4 96.219 Jul 12 9 3028 Apr25 Sep 86.6 85.3 89.7 7 96.219 Jul
Wicomico 111 86.8 97.611 Jul 11 10 4127 Apr28 Sep 87.0 85.3 89.8 6 97.611 Jul
Worcester 103 86.1 96.716 Jul 10 10 3910 May26 Sep 86.3 84.8 88.7 5 96.716 Jul
Baltimore City 110 87.3 97.911 Jul 11 10 3826 Apr26 Sep 87.5 85.7 90.2 5 97.911 Jul