Annual mean
Annual mean of daily highs
Annual mean of daily lows
East Merrimack CDP, New Hampshire
Official LSAD Designation: East Merrimack CDP • Census GEOID: 3321780
• Hillsborough County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for East Merrimack CDP.
Reference Weather Station: MANCHESTER AP, NH US (ID: USW00014710)
• Located 4.8 miles from community center
• Elevation: 68.6 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 34.1° | 17.1° | 25.6° | 2.44" |
| February | 37.4° | 19.0° | 28.2° | 2.73" |
| March | 45.6° | 27.4° | 36.5° | 3.45" |
| April | 58.9° | 37.5° | 48.2° | 3.33" |
| May | 70.1° | 47.7° | 58.9° | 3.38" |
| June | 78.7° | 57.6° | 68.1° | 4.04" |
| July | 84.1° | 63.6° | 73.8° | 3.30" |
| August | 82.4° | 62.1° | 72.2° | 3.35" |
| September | 74.6° | 54.1° | 64.3° | 3.72" |
| October | 62.1° | 42.3° | 52.2° | 3.88" |
| November | 50.0° | 32.9° | 41.5° | 3.48" |
| December | 39.3° | 23.5° | 31.4° | 3.29" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station MANCHESTER AP, NH US (ID: USW00014710) • 4.8 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 | 51.7 | 60.9 | 42.5 |
| 2011 | 50.4 | 59.6 | 41.2 |
| 2012 | 52.2 | 61.4 | 43.0 |
| 2013 | 49.8 | 59.1 | 40.5 |
| 2014 | 48.8 | 58.1 | 39.6 |
| 2015 | 49.8 | 59.8 | 39.7 |
| 2016 | 51.7 | 61.5 | 41.8 |
| 2017 | 50.7 | 59.8 | 41.5 |
| 2018 | 51.2 | 60.2 | 42.2 |
| 2019 | 49.9 | 59.2 | 40.7 |
| 2020 | 52.5 | 62.1 | 42.9 |
| 2021 | 52.4 | 61.4 | 43.4 |
| 2022 | 52.0 | 62.2 | 41.7 |
| 2023 | 52.4 | 62.0 | 42.7 |
| 2024 | 52.7 | 63.0 | 42.5 |
| 2025 | 49.6 | 60.3 | 38.9 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.