Annual mean
Annual mean of daily highs
Annual mean of daily lows
Northborough CDP, Massachusetts
Official LSAD Designation: Northborough CDP • Census GEOID: 2546785
• Worcester County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Northborough CDP.
Reference Weather Station: WORCESTER RGNL AP, MA US (ID: USW00094746)
• Located 11.9 miles from community center
• Elevation: 304.8 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 32.3° | 17.1° | 24.7° | 3.52" |
| February | 35.1° | 18.9° | 27.0° | 3.26" |
| March | 43.0° | 26.0° | 34.5° | 4.19" |
| April | 55.7° | 36.5° | 46.1° | 4.08" |
| May | 66.6° | 46.8° | 56.7° | 3.56" |
| June | 74.5° | 55.9° | 65.2° | 4.22" |
| July | 79.8° | 61.7° | 70.8° | 3.93" |
| August | 78.1° | 60.5° | 69.3° | 4.14" |
| September | 70.7° | 53.2° | 61.9° | 4.24" |
| October | 58.9° | 42.2° | 50.6° | 4.84" |
| November | 47.9° | 32.5° | 40.2° | 4.00" |
| December | 37.5° | 23.4° | 30.5° | 4.28" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station WORCESTER RGNL AP, MA US (ID: USW00094746) • 11.9 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 | 49.8 | 57.7 | 41.8 |
| 2011 | 49.4 | 57.4 | 41.5 |
| 2012 | 51.2 | 59.3 | 43.1 |
| 2013 | 48.1 | 56.1 | 40.0 |
| 2014 | 47.0 | 55.0 | 38.9 |
| 2015 | 48.5 | 57.1 | 40.0 |
| 2016 | 49.7 | 58.3 | 41.1 |
| 2017 | 48.7 | 56.7 | 40.8 |
| 2018 | 48.5 | 56.4 | 40.6 |
| 2019 | 47.6 | 55.6 | 39.5 |
| 2020 | 50.7 | 59.0 | 42.4 |
| 2021 | 50.6 | 58.3 | 42.9 |
| 2022 | 50.4 | 58.9 | 41.9 |
| 2023 | 51.6 | 59.4 | 43.8 |
| 2024 | 51.7 | 59.8 | 43.7 |
| 2025 | 48.7 | 56.8 | 40.6 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.