Nashua city, New Hampshire

Official LSAD Designation: Nashua city • Census GEOID: 3350260 • Hillsborough County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Nashua city.

Reference Weather Station: NASHUA CWSU, NH US (ID: USC00275703) • Located 1.1 miles from community center • Elevation: 54.9 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	34.5°	13.8°	24.2°	3.00"
February	37.5°	15.5°	26.5°	3.07"
March	45.3°	24.1°	34.7°	4.11"
April	58.4°	34.7°	46.6°	3.91"
May	69.4°	46.1°	57.8°	3.63"
June	78.7°	55.9°	67.3°	4.19"
July	84.7°	61.6°	73.1°	3.63"
August	82.7°	59.7°	71.2°	3.71"
September	75.2°	52.2°	63.7°	4.15"
October	62.3°	38.9°	50.6°	4.66"
November	50.5°	29.1°	39.8°	3.74"
December	39.6°	19.5°	29.6°	4.45"

2010–2025, completed calendar years only.

NOAA station NASHUA CWSU, NH US (ID: USC00275703) • 1.1 miles from community center .

This is the same reference station used for monthly normals.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

Annual temperature data table (°F)

Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year	Annual mean (°F)	Annual mean of daily highs (°F)	Annual mean of daily lows (°F)
2010	Unavailable	Unavailable	Unavailable
2011	Unavailable	Unavailable	Unavailable
2012	Unavailable	Unavailable	Unavailable
2013	Unavailable	Unavailable	Unavailable
2014	Unavailable	Unavailable	Unavailable
2015	49.4	61.1	37.8
2016	51.1	62.5	39.8
2017	49.7	60.5	38.9
2018	49.1	59.5	38.7
2019	47.8	58.9	36.7
2020	50.1	61.5	38.7
2021	49.9	60.4	39.4
2022	49.4	61.1	37.6
2023	50.3	60.9	39.6
2024	50.3	61.7	38.9
2025	48.4	59.8	37.0

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.