Mardela Springs, MD
Climate overview — based on NOAA 1991-2020 normals from VIENNA, MD US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Mardela Springs has an annual average temperature of 58.3°F with about 0 inches of precipitation per year. The warmest month is July (average high 90.1°F), and the coldest is January (average low 27.7°F).
Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
41.7°F
warmest to coldest month
Best time to visit Mardela Springs
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Mardela Springs'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.
| 1940s | 1 | |
| 1950s | 55 | |
| 1960s | 42 | |
| 1970s | 57 | |
| 1980s | 71 | |
| 1990s | 71 | |
| 2000s | 69 | |
| 2010s | 0 |
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 | 47.8°F | 27.7°F | 37.7°F | in | — | — |
| February | 50.1°F | 28.5°F | 39.3°F | in | — | — |
| March | 58.3°F | 35.5°F | 46.9°F | in | — | — |
| April | 69.3°F | 44.1°F | 56.7°F | in | — | — |
| May | 77.7°F | 54.0°F | 65.8°F | in | — | — |
| June | 85.5°F | 63.1°F | 74.3°F | in | — | — |
| July | 90.1°F | 68.7°F | 79.4°F | in | — | — |
| August | 88.1°F | 66.6°F | 77.4°F | in | — | — |
| September | 81.9°F | 60.5°F | 71.2°F | in | — | — |
| October | 71.7°F | 48.6°F | 60.1°F | in | — | — |
| November | 60.6°F | 38.5°F | 49.6°F | in | — | — |
| December | 51.3°F | 31.2°F | 41.3°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when