Warm Days (Tmax>80℉) and Spells (2 or more consecutive Warm Days)
in Maryland: January 1 - August 31, 2026
NOTE: Data From preliminary NCEI's nClimDiv-Daily Data set v1.0.0
Data labeled as scaled on September 5, 2026.
| Region | No. of Warm Days | Mean Temp among all Warm Days (℉) | Max Temp among all Warm Days (℉) | Day when Max Temp among Warm Days occurs | No. of Spells (#) | Mean Duration of Spells (days) | Longest Spell (days) | Start of the First Spell | Start of Last Spell | Mean 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 occurs | Max Temp within all Spells (℉) | Day when Max Temp within all Spells occurs |
|---|
| Statewide | 100 | 86.5 | 100.0 | 4 Jul | 10 | 9 | 54 | 11 Mar | 24 Aug | 86.6 | 85.4 | 89.6 | 4 | 100.0 | 4 Jul |
| Clim. Div. 1 | 100 | 87.7 | 100.8 | 4 Jul | 8 | 12 | 36 | 14 Apr | 27 Jul | 88.0 | 87.6 | 91.3 | 5 | 100.8 | 4 Jul |
| Clim. Div. 2 | 104 | 88.0 | 102.0 | 5 Jul | 10 | 10 | 54 | 11 Mar | 24 Aug | 88.1 | 86.6 | 91.0 | 4 | 102.0 | 5 Jul |
| Clim. Div. 3 | 104 | 87.3 | 100.3 | 4 Jul | 10 | 10 | 36 | 11 Mar | 27 Jul | 87.5 | 86.1 | 89.9 | 5 | 100.3 | 4 Jul |
| Clim. Div. 4 | 106 | 87.3 | 101.1 | 4 Jul | 10 | 10 | 63 | 11 Mar | 30 Jun | 87.5 | 86.3 | 90.7 | 5 | 101.1 | 4 Jul |
| Clim. Div. 5 | 101 | 87.8 | 102.3 | 5 Jul | 10 | 9 | 54 | 11 Mar | 24 Aug | 88.0 | 86.6 | 90.8 | 4 | 102.3 | 5 Jul |
| Clim. Div. 6 | 96 | 86.5 | 100.5 | 4 Jul | 11 | 8 | 48 | 11 Mar | 26 Aug | 86.8 | 85.8 | 90.3 | 4 | 100.5 | 4 Jul |
| Clim. Div. 7 | 94 | 85.6 | 98.3 | 4 Jul | 14 | 6 | 24 | 11 Mar | 27 Aug | 85.8 | 84.1 | 89.1 | 5 | 98.3 | 4 Jul |
| Clim. Div. 8 | 39 | 83.2 | 90.1 | 4 Jul | 8 | 3 | 10 | 16 Apr | 10 Aug | 83.8 | 83.0 | 85.6 | 5 | 90.1 | 4 Jul |
| Allegany | 88 | 85.5 | 96.9 | 4 Jul | 14 | 5 | 22 | 11 Mar | 27 Aug | 85.8 | 84.2 | 88.3 | 9 | 96.9 | 4 Jul |
| Anne Arundel | 103 | 87.4 | 101.3 | 4 Jul | 10 | 9 | 54 | 11 Mar | 24 Aug | 87.7 | 86.5 | 90.2 | 4 | 101.3 | 4 Jul |
| Baltimore | 99 | 86.9 | 101.3 | 4 Jul | 11 | 8 | 48 | 11 Mar | 24 Aug | 87.1 | 86.1 | 90.7 | 4 | 101.3 | 4 Jul |
| Calvert | 100 | 87.1 | 100.0 | 5 Jul | 11 | 8 | 27 | 1 Apr | 24 Aug | 87.2 | 86.2 | 89.3 | 9 | 100.0 | 5 Jul |
| Caroline | 105 | 88.4 | 103.0 | 5 Jul | 10 | 10 | 59 | 11 Mar | 24 Aug | 88.6 | 87.3 | 92.6 | 4 | 103.0 | 5 Jul |
| Carroll | 95 | 85.7 | 99.6 | 4 Jul | 12 | 7 | 30 | 11 Mar | 27 Aug | 85.9 | 85.1 | 89.7 | 4 | 99.6 | 4 Jul |
| Cecil | 95 | 87.3 | 101.8 | 4 Jul | 12 | 7 | 39 | 11 Mar | 24 Aug | 87.5 | 86.7 | 94.3 | 9 | 101.8 | 4 Jul |
| Charles | 108 | 87.5 | 100.9 | 4 Jul | 9 | 11 | 63 | 11 Mar | 30 Jun | 87.6 | 85.7 | 91.2 | 5 | 100.9 | 4 Jul |
| Dorchester | 105 | 87.9 | 101.7 | 5 Jul | 9 | 11 | 63 | 11 Mar | 30 Jun | 88.1 | 86.5 | 90.5 | 4 | 101.7 | 5 Jul |
| Frederick | 97 | 85.7 | 99.4 | 4 Jul | 10 | 9 | 53 | 11 Mar | 27 Aug | 85.9 | 85.1 | 90.0 | 4 | 99.4 | 4 Jul |
| Garrett | 40 | 83.1 | 90.1 | 4 Jul | 8 | 3 | 10 | 16 Apr | 10 Aug | 83.7 | 82.9 | 85.6 | 5 | 90.1 | 4 Jul |
| Harford | 97 | 87.1 | 102.0 | 3 Jul | 11 | 8 | 48 | 11 Mar | 24 Aug | 87.4 | 86.1 | 90.4 | 4 | 102.0 | 3 Jul |
| Howard | 97 | 86.4 | 100.1 | 4 Jul | 11 | 8 | 48 | 11 Mar | 26 Aug | 86.7 | 86.0 | 90.4 | 4 | 100.1 | 4 Jul |
| Kent | 99 | 87.7 | 102.2 | 5 Jul | 10 | 9 | 54 | 11 Mar | 24 Aug | 87.9 | 86.5 | 90.3 | 4 | 102.2 | 5 Jul |
| Montgomery | 101 | 86.3 | 99.6 | 4 Jul | 11 | 8 | 53 | 11 Mar | 24 Aug | 86.4 | 85.5 | 90.6 | 5 | 99.6 | 4 Jul |
| Prince George's | 106 | 87.3 | 101.0 | 4 Jul | 10 | 10 | 63 | 11 Mar | 30 Jun | 87.6 | 86.4 | 91.0 | 5 | 101.0 | 4 Jul |
| Queen Anne's | 103 | 87.8 | 102.5 | 5 Jul | 11 | 9 | 54 | 11 Mar | 24 Aug | 87.9 | 86.2 | 91.1 | 4 | 102.5 | 5 Jul |
| Saint Mary's | 99 | 87.3 | 99.7 | 4 Jul | 10 | 9 | 36 | 1 Apr | 27 Jul | 87.5 | 86.5 | 90.1 | 9 | 99.7 | 4 Jul |
| Somerset | 101 | 87.8 | 100.4 | 4 Jul | 8 | 12 | 36 | 14 Apr | 27 Jul | 88.1 | 87.7 | 91.4 | 5 | 100.4 | 4 Jul |
| Talbot | 103 | 87.6 | 101.6 | 5 Jul | 11 | 9 | 54 | 11 Mar | 24 Aug | 87.8 | 86.2 | 90.3 | 4 | 101.6 | 5 Jul |
| Washington | 101 | 85.8 | 99.6 | 4 Jul | 12 | 8 | 53 | 11 Mar | 26 Aug | 86.0 | 84.4 | 90.2 | 5 | 99.6 | 4 Jul |
| Wicomico | 105 | 88.2 | 101.9 | 5 Jul | 7 | 14 | 75 | 11 Mar | 18 Jun | 88.4 | 87.4 | 91.0 | 3 | 101.9 | 5 Jul |
| Worcester | 94 | 87.6 | 100.4 | 4 Jul | 8 | 11 | 36 | 15 Apr | 27 Jul | 87.6 | 87.6 | 90.5 | 5 | 100.4 | 4 Jul |
| Baltimore City | 103 | 87.7 | 102.1 | 4 Jul | 10 | 9 | 54 | 11 Mar | 24 Aug | 88.0 | 87.0 | 90.8 | 4 | 102.1 | 4 Jul |