Leicester weather by month
What a typical year looks like in Leicester, New York: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Mount Morris 2w, 5 km from Leicester; records cover 1893–2026.
The year at a glance
- Precipitation a year
- 33.1 in839 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 29
- First fall freeze
- Oct 13
- Heating degree days
- 6,777
- Cooling degree days
- 521
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −3°−19° (heating, 99%) and 91°33° (cooling, 1%).
Month by month
Leicester in January
Highs average 31°0° and lows 15°−9°, with 1.9 in47 mm of precipitation in a typical January.
- Record high
- 75°24° (1897)
- Record low
- −22°−30° (1957)
- Heating degree days
- 1289
- Cooling degree days
- 0
Leicester in February
Highs average 34°1° and lows 17°−8°, with 1.5 in38 mm of precipitation in a typical February.
- Record high
- 74°23° (2017)
- Record low
- −19°−28° (1979)
- Heating degree days
- 1107
- Cooling degree days
- 0
Leicester in March
Highs average 42°6° and lows 24°−4°, with 2.1 in54 mm of precipitation in a typical March.
- Record high
- 83°28° (1977)
- Record low
- −7°−22° (1950)
- Heating degree days
- 988
- Cooling degree days
- 0
Leicester in April
Highs average 56°13° and lows 35°2°, with 2.7 in67 mm of precipitation in a typical April.
- Record high
- 93°34° (1990)
- Record low
- 10°−12° (1982)
- Heating degree days
- 596
- Cooling degree days
- 3
Leicester in May
Highs average 69°20° and lows 47°8°, with 3.1 in79 mm of precipitation in a typical May.
- Record high
- 95°35° (1895)
- Record low
- 24°−4° (1990)
- Heating degree days
- 264
- Cooling degree days
- 38
Leicester in June
Highs average 77°25° and lows 56°13°, with 3.8 in98 mm of precipitation in a typical June.
- Record high
- 100°38° (1895)
- Record low
- 31°−1° (1894)
- Heating degree days
- 69
- Cooling degree days
- 100
Leicester in July
Highs average 81°27° and lows 60°16°, with 4.1 in104 mm of precipitation in a typical July.
- Record high
- 102°39° (1897)
- Record low
- 35°2° (1898)
- Heating degree days
- 15
- Cooling degree days
- 181
Leicester in August
Highs average 79°26° and lows 58°15°, with 3.4 in85 mm of precipitation in a typical August.
- Record high
- 99°37° (1897)
- Record low
- 35°2° (1899)
- Heating degree days
- 24
- Cooling degree days
- 142
Leicester in September
Highs average 73°23° and lows 51°11°, with 3 in76 mm of precipitation in a typical September.
- Record high
- 98°37° (1953)
- Record low
- 25°−4° (1929)
- Heating degree days
- 142
- Cooling degree days
- 51
Leicester in OctoberThis month
Highs average 60°16° and lows 41°5°, with 3.1 in78 mm of precipitation in a typical October.
- Record high
- 88°31° (1951)
- Record low
- 20°−7° (1899)
- Heating degree days
- 450
- Cooling degree days
- 6
Leicester in November
Highs average 48°9° and lows 32°0°, with 2.3 in59 mm of precipitation in a typical November.
- Record high
- 84°29° (1896)
- Record low
- 4°−16° (1956)
- Heating degree days
- 747
- Cooling degree days
- 0
Leicester in December
Highs average 37°3° and lows 23°−5°, with 2.1 in53 mm of precipitation in a typical December.
- Record high
- 72°22° (1982)
- Record low
- −17°−27° (1899)
- Heating degree days
- 1086
- Cooling degree days
- 0