Thurmont, MD
Climate overview — based on NOAA 1991-2020 normals from CATOCTIN MTN PARK, MD US.
Year-round temperatures (°F)
Climate summary
Thurmont has an annual average temperature of 53.4°F with about 48.6 inches of precipitation per year. The warmest month is July (average high 83.6°F), and the coldest is January (average low 23.0°F). September is typically the wettest month (5.32 in) and February the driest (3.02 in).
Best time to visit Thurmont
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Thurmont's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1960s | 7 | |
| 1970s | 53 | |
| 1980s | 63 | |
| 1990s | 105 | |
| 2000s | 106 | |
| 2010s | 32 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 38.9°F | 23.0°F | 31.0°F | 3.77 in | — | 10 |
| February | 42.4°F | 24.5°F | 33.4°F | 3.02 in | — | 9 |
| March | 51.8°F | 31.4°F | 41.6°F | 4.43 in | — | 12 |
| April | 65.2°F | 42.3°F | 53.8°F | 4.02 in | — | 12 |
| May | 73.1°F | 52.1°F | 62.6°F | 4.88 in | — | 14 |
| June | 79.8°F | 60.2°F | 70.0°F | 4.21 in | — | 12 |
| July | 83.6°F | 64.7°F | 74.1°F | 3.71 in | — | 12 |
| August | 81.3°F | 63.3°F | 72.3°F | 4.03 in | — | 12 |
| September | 74.9°F | 57.5°F | 66.2°F | 5.32 in | — | 12 |
| October | 65.1°F | 46.2°F | 55.6°F | 4.09 in | — | 11 |
| November | 53.5°F | 35.9°F | 44.7°F | 3.66 in | — | 11 |
| December | 43.0°F | 28.2°F | 35.6°F | 3.49 in | — | 10 |
Climate twins of Thurmont
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).