Annual mean
Annual mean of daily highs
Annual mean of daily lows
Haymarket town, Virginia
Official LSAD Designation: Haymarket town • Census GEOID: 5135976
• Prince William County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Haymarket town.
Reference Weather Station: WASHINGTON DC DULLES AP, VA US (ID: USW00093738)
• Located 12.9 miles from community center
• Elevation: 88.4 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 42.6° | 25.2° | 33.9° | 2.94" |
| February | 46.1° | 26.7° | 36.4° | 2.61" |
| March | 54.8° | 33.6° | 44.2° | 3.50" |
| April | 66.8° | 43.2° | 55.0° | 3.47" |
| May | 75.0° | 53.0° | 64.0° | 4.72" |
| June | 83.1° | 61.9° | 72.5° | 4.30" |
| July | 87.6° | 66.8° | 77.2° | 4.15" |
| August | 86.3° | 65.2° | 75.7° | 3.53" |
| September | 79.3° | 57.9° | 68.6° | 3.94" |
| October | 67.8° | 45.3° | 56.6° | 3.65" |
| November | 56.5° | 35.6° | 46.0° | 3.13" |
| December | 46.5° | 29.0° | 37.7° | 3.30" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station WASHINGTON DC DULLES AP, VA US (ID: USW00093738) • 12.9 miles from community center .
This is the same reference station used for monthly normals.
Source: NOAA NCEI Global Summary of the Year.
Annual temperature data table (°F)
| Year | Annual mean (°F) | Annual mean of daily highs (°F) | Annual mean of daily lows (°F) |
|---|---|---|---|
| 2010 | 56.6 | 67.0 | 46.3 |
| 2011 | 56.9 | 67.1 | 46.7 |
| 2012 | 57.9 | 68.5 | 47.2 |
| 2013 | 55.4 | 65.2 | 45.6 |
| 2014 | 53.0 | 63.1 | 43.0 |
| 2015 | 55.7 | 66.1 | 45.3 |
| 2016 | 57.1 | 67.6 | 46.6 |
| 2017 | 57.2 | 67.5 | 46.9 |
| 2018 | 56.2 | 65.7 | 46.7 |
| 2019 | 56.9 | 67.4 | 46.4 |
| 2020 | 57.8 | 67.9 | 47.6 |
| 2021 | 57.7 | 68.2 | 47.1 |
| 2022 | 56.5 | 67.4 | 45.6 |
| 2023 | 58.6 | 70.0 | 47.2 |
| 2024 | 58.8 | 69.5 | 48.1 |
| 2025 | 56.4 | 66.8 | 46.1 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.