Warm Nights (Tmin>68℉) and Spells (2 or more consecutive Warm Nights)
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 Nights | Mean Temp among all Warm Nights (℉) | Max Temp among all Warm Nights (℉) | Night when Max Temp among Warm Nights 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 (℉) | Night when Max Temp within all Spells occurs |
|---|
| Statewide | 41 | 70.4 | 76.0 | 3 Jul | 5 | 7 | 16 | 11 Jun | 3 Aug | 70.5 | 70.0 | 71.4 | 3 | 76.0 | 3 Jul |
| Clim. Div. 1 | 51 | 71.8 | 75.6 | 4 Jul | 7 | 7 | 22 | 12 Jun | 28 Aug | 71.8 | 71.2 | 72.3 | 3 | 75.6 | 4 Jul |
| Clim. Div. 2 | 48 | 71.6 | 77.4 | 4 Jul | 6 | 7 | 21 | 11 Jun | 28 Aug | 71.6 | 71.0 | 72.7 | 3 | 77.4 | 4 Jul |
| Clim. Div. 3 | 54 | 71.9 | 77.5 | 3 Jul | 5 | 10 | 20 | 11 Jun | 28 Aug | 72.1 | 71.4 | 72.7 | 4 | 77.5 | 3 Jul |
| Clim. Div. 4 | 51 | 71.3 | 78.5 | 3 Jul | 5 | 9 | 20 | 11 Jun | 1 Aug | 71.6 | 71.0 | 72.3 | 2 | 78.5 | 3 Jul |
| Clim. Div. 5 | 49 | 71.5 | 78.4 | 4 Jul | 5 | 8 | 21 | 11 Jun | 31 Jul | 71.6 | 71.3 | 72.5 | 3 | 78.4 | 4 Jul |
| Clim. Div. 6 | 35 | 70.1 | 77.1 | 3 Jul | 5 | 6 | 13 | 11 Jun | 6 Aug | 70.2 | 69.6 | 71.2 | 3 | 77.1 | 3 Jul |
| Clim. Div. 7 | 11 | 69.4 | 73.1 | 3 Jul | 2 | 4 | 4 | 1 Jul | 6 Jul | 69.6 | 69.6 | 70.8 | 1 | 73.1 | 3 Jul |
| Clim. Div. 8 | 0 | ***** | ***** | ****** | 0 | *** | *** | ****** | ****** | ***** | ***** | ***** | *** | ***** | ****** |
| Allegany | 5 | 69.3 | 71.2 | 3 Jul | 1 | 3 | 3 | 2 Jul | 2 Jul | 69.9 | 69.9 | 69.9 | 1 | 71.2 | 3 Jul |
| Anne Arundel | 55 | 71.6 | 79.1 | 3 Jul | 5 | 9 | 22 | 11 Jun | 30 Jul | 71.8 | 71.2 | 72.6 | 2 | 79.1 | 3 Jul |
| Baltimore | 35 | 70.1 | 77.3 | 3 Jul | 4 | 7 | 13 | 11 Jun | 6 Aug | 70.3 | 70.0 | 71.1 | 2 | 77.3 | 3 Jul |
| Calvert | 52 | 71.8 | 77.5 | 4 Jul | 6 | 8 | 20 | 11 Jun | 28 Aug | 71.9 | 71.3 | 72.8 | 3 | 77.5 | 4 Jul |
| Caroline | 43 | 71.1 | 77.3 | 4 Jul | 5 | 7 | 18 | 12 Jun | 3 Aug | 71.2 | 70.8 | 71.9 | 3 | 77.3 | 4 Jul |
| Carroll | 19 | 69.8 | 75.6 | 3 Jul | 4 | 3 | 7 | 1 Jul | 12 Aug | 69.9 | 69.2 | 71.3 | 1 | 75.6 | 3 Jul |
| Cecil | 47 | 71.0 | 78.3 | 3 Jul | 5 | 8 | 19 | 11 Jun | 31 Jul | 71.2 | 70.6 | 72.1 | 3 | 78.3 | 3 Jul |
| Charles | 54 | 71.8 | 78.3 | 3 Jul | 5 | 10 | 20 | 11 Jun | 28 Aug | 72.0 | 71.3 | 72.9 | 2 | 78.3 | 3 Jul |
| Dorchester | 52 | 71.6 | 77.1 | 4 Jul | 7 | 7 | 22 | 11 Jun | 28 Aug | 71.7 | 70.9 | 72.8 | 3 | 77.1 | 4 Jul |
| Frederick | 25 | 70.1 | 76.2 | 3 Jul | 4 | 5 | 11 | 1 Jul | 16 Aug | 70.1 | 69.5 | 71.1 | 1 | 76.2 | 3 Jul |
| Garrett | 0 | ***** | ***** | ****** | 0 | *** | *** | ****** | ****** | ***** | ***** | ***** | *** | ***** | ****** |
| Harford | 44 | 70.6 | 78.2 | 3 Jul | 6 | 6 | 13 | 11 Jun | 6 Aug | 70.7 | 70.1 | 71.9 | 3 | 78.2 | 3 Jul |
| Howard | 29 | 70.0 | 76.7 | 3 Jul | 4 | 6 | 12 | 1 Jul | 12 Aug | 70.1 | 69.9 | 70.8 | 1 | 76.7 | 3 Jul |
| Kent | 51 | 71.6 | 78.7 | 4 Jul | 5 | 9 | 22 | 11 Jun | 30 Jul | 71.7 | 71.4 | 72.8 | 3 | 78.7 | 4 Jul |
| Montgomery | 38 | 70.4 | 77.3 | 3 Jul | 6 | 6 | 13 | 11 Jun | 6 Aug | 70.6 | 70.1 | 72.0 | 3 | 77.3 | 3 Jul |
| Prince George's | 46 | 71.1 | 78.0 | 3 Jul | 6 | 7 | 18 | 11 Jun | 2 Aug | 71.3 | 70.7 | 72.7 | 3 | 78.0 | 3 Jul |
| Queen Anne's | 49 | 71.3 | 78.2 | 4 Jul | 5 | 8 | 21 | 11 Jun | 31 Jul | 71.5 | 71.2 | 72.3 | 3 | 78.2 | 4 Jul |
| Saint Mary's | 54 | 72.1 | 77.0 | 4 Jul | 6 | 8 | 21 | 11 Jun | 28 Aug | 72.2 | 71.5 | 73.4 | 3 | 77.0 | 4 Jul |
| Somerset | 54 | 72.3 | 76.2 | 4 Jul | 6 | 8 | 22 | 12 Jun | 28 Aug | 72.4 | 71.8 | 73.0 | 3 | 76.2 | 4 Jul |
| Talbot | 51 | 71.9 | 78.2 | 4 Jul | 7 | 6 | 21 | 11 Jun | 28 Aug | 72.0 | 71.4 | 73.2 | 3 | 78.2 | 4 Jul |
| Washington | 18 | 69.8 | 74.8 | 3 Jul | 3 | 4 | 10 | 1 Jul | 17 Aug | 69.9 | 69.3 | 70.4 | 1 | 74.8 | 3 Jul |
| Wicomico | 47 | 71.2 | 75.6 | 4 Jul | 6 | 7 | 19 | 12 Jun | 28 Aug | 71.4 | 70.6 | 72.0 | 3 | 75.6 | 4 Jul |
| Worcester | 51 | 71.8 | 75.4 | 7 Aug | 7 | 7 | 22 | 12 Jun | 28 Aug | 71.9 | 71.3 | 72.3 | 3 | 75.4 | 7 Aug |
| Baltimore City | 53 | 71.6 | 79.7 | 3 Jul | 5 | 9 | 20 | 11 Jun | 30 Jul | 71.9 | 71.3 | 72.5 | 2 | 79.7 | 3 Jul |
| Washington DC | 51 | 71.4 | 78.9 | 3 Jul | 5 | 9 | 19 | 11 Jun | 2 Aug | 71.7 | 71.0 | 72.9 | 2 | 78.9 | 3 Jul |