Manassas Park, VA
Climate overview — based on NOAA 1991-2020 normals from MANASSAS, VA US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Manassas Park has an annual average temperature of 55.5°F with about 0 inches of precipitation per year. The warmest month is July (average high 87.5°F), and the coldest is January (average low 24.2°F).
Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
44.8°F
warmest to coldest month
Best time to visit Manassas Park
Full guide →Climate change signal
All-time records →149 of 366 (40.7%) of Manassas Park'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.
| 2000s | 101 | |
| 2010s | 206 | |
| 2020s | 59 |
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 | 42.4°F | 24.2°F | 33.3°F | in | — | — |
| February | 45.5°F | 25.8°F | 35.7°F | in | — | — |
| March | 53.8°F | 32.4°F | 43.1°F | in | — | — |
| April | 65.9°F | 43.1°F | 54.5°F | in | — | — |
| May | 74.2°F | 53.6°F | 63.9°F | in | — | — |
| June | 83.0°F | 63.5°F | 73.3°F | in | — | — |
| July | 87.5°F | 68.6°F | 78.1°F | in | — | — |
| August | 85.4°F | 66.5°F | 76.0°F | in | — | — |
| September | 78.2°F | 58.3°F | 68.3°F | in | — | — |
| October | 67.0°F | 45.6°F | 56.3°F | in | — | — |
| November | 56.4°F | 35.3°F | 45.9°F | in | — | — |
| December | 46.5°F | 28.7°F | 37.6°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when