Thomaston weather by month
What a typical year looks like in Thomaston, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Laguardia Airport, 14 km from Thomaston; records cover 1939–2026.
The year at a glance
- Precipitation a year
- 45.3 in1150 mm
- Snow a year
- 30 in76 cm
- Last spring freeze
- Mar 28
- First fall freeze
- Nov 23
- Heating degree days
- 4,376
- Cooling degree days
- 1,408
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 13°−11° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Thomaston in January
Highs average 40°5° and lows 29°−2°, with 3.3 in83 mm of precipitation and 9 in22 cm of snow in a typical January.
- Record high
- 72°22° (1950)
- Record low
- −3°−19° (1985)
- Heating degree days
- 948
- Cooling degree days
- 0
Thomaston in February
Highs average 43°6° and lows 30°−1°, with 2.9 in74 mm of precipitation and 10 in25 cm of snow in a typical February.
- Record high
- 79°26° (2018)
- Record low
- −7°−22° (1943)
- Heating degree days
- 804
- Cooling degree days
- 0
Thomaston in March
Highs average 50°10° and lows 36°2°, with 4 in102 mm of precipitation and 5 in14 cm of snow in a typical March.
- Record high
- 86°30° (1945)
- Record low
- 7°−14° (1943)
- Heating degree days
- 681
- Cooling degree days
- 1
Thomaston in April
Highs average 61°16° and lows 46°8°, with 3.9 in98 mm of precipitation and 0.4 in1 cm of snow in a typical April.
- Record high
- 94°34° (2002)
- Record low
- 22°−6° (1982)
- Heating degree days
- 351
- Cooling degree days
- 10
Thomaston in May
Highs average 72°22° and lows 56°13°, with 3.6 in91 mm of precipitation in a typical May.
- Record high
- 97°36° (1996)
- Record low
- 36°2° (2020)
- Heating degree days
- 111
- Cooling degree days
- 72
Thomaston in June
Highs average 81°27° and lows 66°19°, with 4 in102 mm of precipitation in a typical June.
- Record high
- 101°38° (1952)
- Record low
- 46°8° (1945)
- Heating degree days
- 10
- Cooling degree days
- 262
Thomaston in July
Highs average 86°30° and lows 72°22°, with 4.3 in109 mm of precipitation in a typical July.
- Record high
- 107°42° (1966)
- Record low
- 56°13° (1943)
- Heating degree days
- 0
- Cooling degree days
- 439
Thomaston in August
Highs average 85°29° and lows 71°22°, with 4.4 in112 mm of precipitation in a typical August.
- Record high
- 104°40° (2001)
- Record low
- 51°11° (1982)
- Heating degree days
- 0
- Cooling degree days
- 396
Thomaston in September
Highs average 77°25° and lows 64°18°, with 3.9 in99 mm of precipitation in a typical September.
- Record high
- 102°39° (1953)
- Record low
- 42°6° (1947)
- Heating degree days
- 21
- Cooling degree days
- 195
Thomaston in OctoberThis month
Highs average 66°19° and lows 53°12°, with 3.8 in97 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 95°35° (2019)
- Record low
- 30°−1° (1969)
- Heating degree days
- 198
- Cooling degree days
- 32
Thomaston in November
Highs average 55°13° and lows 43°6°, with 3.2 in80 mm of precipitation and 0.3 in0.8 cm of snow in a typical November.
- Record high
- 83°28° (1950)
- Record low
- 17°−8° (1955)
- Heating degree days
- 478
- Cooling degree days
- 1
Thomaston in December
Highs average 45°7° and lows 35°2°, with 4.1 in104 mm of precipitation and 5 in13 cm of snow in a typical December.
- Record high
- 75°24° (1998)
- Record low
- −2°−19° (1942)
- Heating degree days
- 774
- Cooling degree days
- 0