Groton CDP, Vermont

Official LSAD Designation: Groton CDP • Census GEOID: 5030475 • Caledonia County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Groton CDP.

Reference Weather Station: PLAINFIELD, VT US (ID: USC00436391) • Located 11.3 miles from community center • Elevation: 243.8 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	25.3°	2.6°	13.9°	2.73"
February	28.8°	3.6°	16.2°	2.43"
March	38.2°	14.3°	26.2°	2.61"
April	51.7°	27.2°	39.4°	3.17"
May	66.0°	38.6°	52.3°	3.58"
June	75.0°	47.9°	61.4°	4.57"
July	80.0°	53.0°	66.5°	4.67"
August	78.3°	50.9°	64.6°	3.38"
September	70.5°	42.8°	56.6°	3.45"
October	55.7°	32.2°	43.9°	4.28"
November	41.9°	23.2°	32.5°	2.82"
December	30.6°	12.0°	21.3°	3.27"

2010–2025, completed calendar years only.

NOAA station PLAINFIELD, VT US (ID: USC00436391) • 11.3 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	44.8	55.8	33.8
2011	42.2	54.0	30.4
2012	44.1	56.4	31.8
2013	Unavailable	Unavailable	Unavailable
2014	Unavailable	Unavailable	Unavailable
2015	40.4	53.6	27.2
2016	42.4	54.8	30.1
2017	Unavailable	53.8	Unavailable
2018	41.9	53.7	30.1
2019	40.4	52.8	27.9
2020	43.4	55.7	31.1
2021	43.5	55.2	31.8
2022	44.0	56.3	31.7
2023	46.1	56.5	35.7
2024	46.5	57.4	35.7
2025	43.6	55.4	31.8

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