St. Johnsville weather by month
What a typical year looks like in St. Johnsville, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Gloversville 7nw (peck Lake), 24 km from St. Johnsville; records cover 2003–2026.
The year at a glance
- Precipitation a year
- 50.7 in1289 mm
- Snow a year
- Rare
- Last spring freeze
- May 7
- First fall freeze
- Oct 7
- Heating degree days
- 8,677
- Cooling degree days
- 162
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −15°−26° (heating, 99%) and 85°29° (cooling, 1%).
Month by month
St. Johnsville in January
Highs average 25°−4° and lows 7°−14°, with 3.9 in98 mm of precipitation in a typical January.
- Record high
- 53°12° (2008)
- Record low
- −24°−31° (2018)
- Heating degree days
- 1525
- Cooling degree days
- 0
St. Johnsville in February
Highs average 27°−3° and lows 8°−13°, with 3.5 in88 mm of precipitation in a typical February.
- Record high
- 61°16° (2018)
- Record low
- −24°−31° (2016)
- Heating degree days
- 1331
- Cooling degree days
- 0
St. Johnsville in March
Highs average 35°2° and lows 16°−9°, with 3.7 in94 mm of precipitation in a typical March.
- Record high
- 71°22° (2012)
- Record low
- −16°−27° (2014)
- Heating degree days
- 1214
- Cooling degree days
- 0
St. Johnsville in April
Highs average 48°9° and lows 29°−1°, with 4.4 in110 mm of precipitation in a typical April.
- Record high
- 82°28° (2009)
- Record low
- 0°−18° (2016)
- Heating degree days
- 788
- Cooling degree days
- 0
St. Johnsville in May
Highs average 63°17° and lows 42°6°, with 4.5 in114 mm of precipitation in a typical May.
- Record high
- 89°32° (2010)
- Record low
- 25°−4° (2020)
- Heating degree days
- 393
- Cooling degree days
- 5
St. Johnsville in June
Highs average 72°22° and lows 52°11°, with 4.9 in125 mm of precipitation in a typical June.
- Record high
- 89°32° (2012)
- Record low
- 34°1° (2009)
- Heating degree days
- 131
- Cooling degree days
- 32
St. Johnsville in July
Highs average 77°25° and lows 56°13°, with 4.8 in123 mm of precipitation in a typical July.
- Record high
- 92°33° (2011)
- Record low
- 43°6° (2010)
- Heating degree days
- 38
- Cooling degree days
- 76
St. Johnsville in August
Highs average 73°23° and lows 54°12°, with 4.1 in104 mm of precipitation in a typical August.
- Record high
- 88°31° (2022)
- Record low
- 40°4° (2017)
- Heating degree days
- 84
- Cooling degree days
- 37
St. Johnsville in September
Highs average 67°19° and lows 46°8°, with 4.3 in110 mm of precipitation in a typical September.
- Record high
- 85°29° (2010)
- Record low
- 27°−3° (2020)
- Heating degree days
- 265
- Cooling degree days
- 12
St. Johnsville in OctoberThis month
Highs average 53°12° and lows 36°2°, with 4.9 in124 mm of precipitation in a typical October.
- Record high
- 77°25° (2023)
- Record low
- 15°−9° (2020)
- Heating degree days
- 642
- Cooling degree days
- 0
St. Johnsville in November
Highs average 41°5° and lows 25°−4°, with 3.7 in93 mm of precipitation in a typical November.
- Record high
- 70°21° (2024)
- Record low
- −13°−25° (2018)
- Heating degree days
- 966
- Cooling degree days
- 0
St. Johnsville in December
Highs average 30°−1° and lows 16°−9°, with 4.1 in105 mm of precipitation in a typical December.
- Record high
- 60°16° (2015)
- Record low
- −14°−26° (2009)
- Heating degree days
- 1300
- Cooling degree days
- 0