Armonk CDP, New York

Official LSAD Designation: Armonk CDP • Census GEOID: 3602649 • Westchester County

Climate Normals & Weather Observations

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

Reference Weather Station: WESTCHESTER CO AP, NY US (ID: USW00094745) • Located 4.6 miles from community center • Elevation: 115.5 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	37.3°	22.4°	29.8°	3.20"
February	40.1°	23.7°	31.9°	2.53"
March	47.6°	30.5°	39.1°	4.11"
April	59.2°	40.1°	49.6°	4.20"
May	69.2°	49.8°	59.5°	3.94"
June	78.0°	59.1°	68.6°	4.25"
July	83.2°	64.9°	74.0°	4.07"
August	81.2°	63.6°	72.4°	4.36"
September	74.2°	56.7°	65.4°	4.94"
October	63.0°	45.5°	54.2°	4.33"
November	52.2°	36.2°	44.2°	3.64"
December	42.3°	28.0°	35.1°	4.18"

2010–2025, completed calendar years only.

NOAA station WESTCHESTER CO AP, NY US (ID: USW00094745) • 4.6 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	53.3	61.9	44.7
2011	53.0	61.4	44.6
2012	54.5	62.8	46.2
2013	51.9	60.2	43.6
2014	50.6	59.1	42.1
2015	52.2	61.1	43.3
2016	53.9	62.8	44.9
2017	Unavailable	Unavailable	Unavailable
2018	52.5	60.5	44.5
2019	52.1	60.5	43.8
2020	53.5	62.0	45.1
2021	53.2	61.5	45.0
2022	53.2	62.2	44.3
2023	54.5	63.0	45.9
2024	54.5	63.0	46.0
2025	Unavailable	Unavailable	Unavailable

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