Annual mean
Annual mean of daily highs
Annual mean of daily lows
Williamstown CDP, Vermont
Official LSAD Designation: Williamstown CDP • Census GEOID: 5084100
• Orange County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Williamstown CDP.
Reference Weather Station: BARRE MONTPELIER AP, VT US (ID: USW00094705)
• Located 6.1 miles from community center
• Elevation: 343.2 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 25.8° | 7.4° | 16.6° | 2.32" |
| February | 28.9° | 8.9° | 18.9° | 2.06" |
| March | 37.6° | 18.1° | 27.9° | 2.49" |
| April | 51.5° | 30.3° | 40.9° | 3.04" |
| May | 65.0° | 41.7° | 53.3° | 3.52" |
| June | 73.2° | 50.5° | 61.8° | 4.21" |
| July | 77.6° | 55.5° | 66.5° | 4.27" |
| August | 76.1° | 53.7° | 64.9° | 3.81" |
| September | 68.6° | 46.3° | 57.4° | 3.33" |
| October | 55.3° | 35.7° | 45.5° | 3.87" |
| November | 42.8° | 26.0° | 34.4° | 2.85" |
| December | 31.3° | 15.1° | 23.2° | 2.93" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station BARRE MONTPELIER AP, VT US (ID: USW00094705) • 6.1 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 | 45.4 | 54.6 | 36.1 |
| 2011 | 44.4 | 54.2 | 34.6 |
| 2012 | 45.5 | 55.8 | 35.3 |
| 2013 | 42.8 | 52.7 | 32.8 |
| 2014 | 41.7 | 51.5 | 31.8 |
| 2015 | 42.5 | 53.2 | 31.9 |
| 2016 | 44.5 | 54.8 | 34.1 |
| 2017 | 43.9 | 53.5 | 34.3 |
| 2018 | 43.3 | 52.9 | 33.6 |
| 2019 | 41.7 | 51.7 | 31.7 |
| 2020 | 44.7 | 54.9 | 34.5 |
| 2021 | 45.6 | 55.1 | 36.1 |
| 2022 | 46.3 | 57.1 | 35.6 |
| 2023 | 46.3 | 55.4 | 37.1 |
| 2024 | 46.3 | 55.7 | 36.9 |
| 2025 | 43.6 | 53.9 | 33.2 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.