Climate Manassas - Virginia
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 43 | 47 | 56 | 67 | 75 | 84 |
| Average low in ºF Av. low Lo | 24 | 25 | 32 | 42 | 53 | 63 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 89 | 87 | 80 | 68 | 58 | 47 |
| Average low in ºF Av. low Lo | 68 | 67 | 58 | 45 | 35 | 28 |
What is the average weather in Manassas, Virginia?
Manassas experiences a cold desert climate, defined by very low annual precipitation that is scarce year-round. The inland location amplifies a very large seasonal temperature contrast, bringing hot summers and cold winters. Precipitation is spread fairly evenly, but remains infrequent throughout the year.
Manassas Climate Graph - Virginia Climate Chart
Daily normals Manassas - Virginia - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 42.7 | 25.5 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2 Jan | 42.6 | 25.4 | 0.00 | 0.00 | 0.00 | 0.00 |
| 3 Jan | 42.5 | 25.2 | 0.00 | 0.00 | 0.00 | 0.00 |
| 4 Jan | 42.4 | 25.1 | 0.00 | 0.00 | 0.00 | 0.00 |
| 5 Jan | 42.3 | 24.9 | 0.00 | 0.00 | 0.00 | 0.00 |
| 6 Jan | 42.2 | 24.8 | 0.00 | 0.00 | 0.00 | 0.00 |
| 7 Jan | 42.2 | 24.7 | 0.00 | 0.00 | 0.00 | 0.00 |
| 8 Jan | 42.1 | 24.5 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9 Jan | 42.1 | 24.4 | 0.00 | 0.00 | 0.00 | 0.00 |
| 10 Jan | 42.0 | 24.3 | 0.00 | 0.00 | 0.00 | 0.00 |
| 11 Jan | 42.0 | 24.2 | 0.00 | 0.00 | 0.00 | 0.00 |
| 12 Jan | 42.0 | 24.1 | 0.00 | 0.00 | 0.00 | 0.00 |
| 13 Jan | 42.0 | 24.1 | 0.00 | 0.00 | 0.00 | 0.00 |
| 14 Jan | 42.0 | 24.0 | 0.00 | 0.00 | 0.00 | 0.00 |
| 15 Jan | 42.0 | 23.9 | 0.00 | 0.00 | 0.00 | 0.00 |
| 16 Jan | 42.1 | 23.9 | 0.00 | 0.00 | 0.00 | 0.00 |
| 17 Jan | 42.1 | 23.8 | 0.00 | 0.00 | 0.00 | 0.00 |
| 18 Jan | 42.1 | 23.8 | 0.00 | 0.00 | 0.00 | 0.00 |
| 19 Jan | 42.2 | 23.8 | 0.00 | 0.00 | 0.00 | 0.00 |
| 20 Jan | 42.2 | 23.7 | 0.00 | 0.00 | 0.00 | 0.00 |
| 21 Jan | 42.3 | 23.7 | 0.00 | 0.00 | 0.00 | 0.00 |
| 22 Jan | 42.4 | 23.7 | 0.00 | 0.00 | 0.00 | 0.00 |
| 23 Jan | 42.5 | 23.7 | 0.00 | 0.00 | 0.00 | 0.00 |
| 24 Jan | 42.5 | 23.7 | 0.00 | 0.00 | 0.00 | 0.00 |
| 25 Jan | 42.6 | 23.8 | 0.00 | 0.00 | 0.00 | 0.00 |
| 26 Jan | 42.7 | 23.8 | 0.00 | 0.00 | 0.00 | 0.00 |
| 27 Jan | 42.8 | 23.8 | 0.00 | 0.00 | 0.00 | 0.00 |
| 28 Jan | 42.9 | 23.9 | 0.00 | 0.00 | 0.00 | 0.00 |
| 29 Jan | 43.0 | 23.9 | 0.00 | 0.00 | 0.00 | 0.00 |
| 30 Jan | 43.2 | 24.0 | 0.00 | 0.00 | 0.00 | 0.00 |
| 31 Jan | 43.3 | 24.1 | 0.00 | 0.00 | 0.00 | 0.00 |
Weather history Manassas - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | - | - | 0.00 | - | - |
| 02 Sep | 93.9 | 73.9 | 0.00 | - | - |
| 03 Sep | 91.0 | 71.1 | 0.55 | - | - |
| 04 Sep | - | - | - | - | - |
| 05 Sep | - | - | - | - | - |
| 06 Sep | - | - | - | - | - |
| 07 Sep | - | - | - | - | - |
| 08 Sep | - | - | - | - | - |
| 09 Sep | - | - | - | - | - |
| 10 Sep | - | - | - | - | - |
| 11 Sep | - | - | - | - | - |
| 12 Sep | - | - | - | - | - |
| 13 Sep | - | - | - | - | - |
| 14 Sep | - | - | - | - | - |
| 15 Sep | - | - | - | - | - |
| 16 Sep | - | - | - | - | - |
| 17 Sep | - | - | - | - | - |
| 18 Sep | - | - | - | - | - |
| 19 Sep | - | - | - | - | - |
| 20 Sep | - | - | - | - | - |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Manassas
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | - ºF | 43 ºF | |
| Average low temperature Av. low temp. | - ºF | 24 ºF | |
| Total precipitation Total precip. | 0.55 inch | 0.00 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 93.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 91.0 ºF | - | |
| Highest min temperature Highest min temp. | 73.9 ºF | - | |
| Lowest min temperature Lowest min temp. | 71.1 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Manassas - Virginia
| Country | United States | |
|---|---|---|
| State | Virginia | |
| County | - | |
| City | Manassas | |
| Zip Code | 20108 | |
| Longitude | -77.48 dec. degr. | |
| Latitude | 38.75 dec. degr. | |
| Altitude - Elevation | 308ft | |
| ICAO | - | |
| IATA | - |
Date and Time Manassas - Virginia
| Local Time | 01:41 AM | |
|---|---|---|
| Sunrise | 06:45 AM | |
| Sunset | 07:27 PM | |
| Day/Night | Night | |
| Timezone | Eastern Daylight Time | |
| Timezone DB | America - New York |
Map of Manassas - Virginia
USGS National Map — Open interactive map
Manassas weather averages
| Annual high temperature | 67ºF |
| Annual low temperature | 45ºF |
Station Data
Monthly averages Manassas
Longitude: -77.4753, Latitude: 38.7509
Average weather Manassas, VA - 20108
Monthly: 1991-2020 normals
History: 2008-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...