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Westmoreland weather by month

What a typical year looks like in Westmoreland, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Rome Griffiss Airfield, 12 km from Westmoreland; records cover 2007–2026.

Today’s Westmoreland forecast

The year at a glance

January: typical high 30.1°F, low 12.9°F, precipitation 2.5 in. February: typical high 31.8°F, low 13.2°F, precipitation 2.37 in. March: typical high 41°F, low 22.5°F, precipitation 3.43 in. April: typical high 54.9°F, low 34.1°F, precipitation 3.72 in. May: typical high 68.9°F, low 44.7°F, precipitation 4.46 in. June: typical high 76.2°F, low 54.5°F, precipitation 4.2 in. July: typical high 80.9°F, low 59.5°F, precipitation 4.25 in. August: typical high 79.3°F, low 58.1°F, precipitation 3.6 in. September: typical high 72°F, low 50.9°F, precipitation 3.95 in. October: typical high 58.9°F, low 40.5°F, precipitation 4.67 in. November: typical high 46.8°F, low 31.2°F, precipitation 3.72 in. December: typical high 35.7°F, low 20.9°F, precipitation 2.95 in.−40°−40°−20°−29°0°−18°20°−7°40°4°60°16°80°27°100°38°30°−1°13°−11°Jan32°0°13°−10°Feb41°5°23°−5°Mar55°13°34°1°Apr69°21°45°7°May76°25°55°13°Jun81°27°60°15°Jul79°26°58°15°Aug72°22°51°11°Sep59°15°41°5°Oct47°8°31°0°Nov36°2°21°−6°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
43.8 in1113 mm
Snow a year
Rare
Last spring freeze
May 11
First fall freeze
Oct 12
Heating degree days
7,124
Cooling degree days
473

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −10°−23° (heating, 99%) and 91°33° (cooling, 1%).

Month by month

Westmoreland in January

Highs average 30°−1° and lows 13°−11°, with 2.5 in64 mm of precipitation in a typical January.

Record high
67°19° (2008)
Record low
−22°−30° (2018)
Heating degree days
1348
Cooling degree days
0

Westmoreland in February

Highs average 32°0° and lows 13°−10°, with 2.4 in60 mm of precipitation in a typical February.

Record high
72°22° (2018)
Record low
−28°−33° (2016)
Heating degree days
1190
Cooling degree days
0

Westmoreland in March

Highs average 41°5° and lows 23°−5°, with 3.4 in87 mm of precipitation in a typical March.

Record high
80°27° (2012)
Record low
−12°−24° (2014)
Heating degree days
1031
Cooling degree days
0

Westmoreland in April

Highs average 55°13° and lows 34°1°, with 3.7 in94 mm of precipitation in a typical April.

Record high
91°33° (2009)
Record low
5°−15° (2016)
Heating degree days
617
Cooling degree days
2

Westmoreland in May

Highs average 69°21° and lows 45°7°, with 4.5 in113 mm of precipitation in a typical May.

Record high
92°33° (2020)
Record low
24°−4° (2020)
Heating degree days
278
Cooling degree days
24

Westmoreland in June

Highs average 76°25° and lows 55°13°, with 4.2 in107 mm of precipitation in a typical June.

Record high
94°34° (2007)
Record low
32°0° (2009)
Heating degree days
71
Cooling degree days
81

Westmoreland in July

Highs average 81°27° and lows 60°15°, with 4.3 in108 mm of precipitation in a typical July.

Record high
99°37° (2011)
Record low
43°6° (2007)
Heating degree days
13
Cooling degree days
174

Westmoreland in August

Highs average 79°26° and lows 58°15°, with 3.6 in91 mm of precipitation in a typical August.

Record high
94°34° (2007)
Record low
43°6° (2008)
Heating degree days
23
Cooling degree days
138

Westmoreland in September

Highs average 72°22° and lows 51°11°, with 4 in100 mm of precipitation in a typical September.

Record high
93°34° (2007)
Record low
30°−1° (2020)
Heating degree days
158
Cooling degree days
51

Westmoreland in OctoberThis month

Highs average 59°15° and lows 41°5°, with 4.7 in119 mm of precipitation in a typical October.

Record high
87°31° (2023)
Record low
21°−6° (2013)
Heating degree days
477
Cooling degree days
3

Westmoreland in November

Highs average 47°8° and lows 31°0°, with 3.7 in94 mm of precipitation in a typical November.

Record high
78°26° (2020)
Record low
−4°−20° (2018)
Heating degree days
780
Cooling degree days
0

Westmoreland in December

Highs average 36°2° and lows 21°−6°, with 3 in75 mm of precipitation in a typical December.

Record high
68°20° (2015)
Record low
−16°−27° (2017)
Heating degree days
1138
Cooling degree days
0