Tolley weather by month
What a typical year looks like in Tolley, North Dakota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Kenmare 1 Wsw, 21 km from Tolley; records cover 1933–2026.
The year at a glance
- Precipitation a year
- 19.5 in495 mm
- Snow a year
- Rare
- Last spring freeze
- May 18
- First fall freeze
- Sep 21
- Heating degree days
- 9,533
- Cooling degree days
- 316
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −24°−31° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Tolley in January
Highs average 19°−7° and lows 0°−18°, with 1 in25 mm of precipitation in a typical January.
- Record high
- 58°14° (2012)
- Record low
- −41° (2009)
- Heating degree days
- 1717
- Cooling degree days
- 0
Tolley in February
Highs average 23°−5° and lows 4°−16°, with 0.73 in19 mm of precipitation in a typical February.
- Record high
- 63°17° (1992)
- Record low
- −42°−41° (2025)
- Heating degree days
- 1452
- Cooling degree days
- 0
Tolley in March
Highs average 36°2° and lows 15°−10°, with 0.89 in23 mm of precipitation in a typical March.
- Record high
- 79°26° (1986)
- Record low
- −38°−39° (1962)
- Heating degree days
- 1237
- Cooling degree days
- 0
Tolley in April
Highs average 52°11° and lows 28°−2°, with 0.96 in24 mm of precipitation in a typical April.
- Record high
- 91°33° (1987)
- Record low
- −12°−24° (1975)
- Heating degree days
- 754
- Cooling degree days
- 0
Tolley in May
Highs average 65°19° and lows 41°5°, with 2.5 in64 mm of precipitation in a typical May.
- Record high
- 100°38° (1934)
- Record low
- 11°−12° (1967)
- Heating degree days
- 380
- Cooling degree days
- 10
Tolley in June
Highs average 74°23° and lows 51°11°, with 3.4 in86 mm of precipitation in a typical June.
- Record high
- 103°39° (1988)
- Record low
- 30°−1° (1969)
- Heating degree days
- 121
- Cooling degree days
- 51
Tolley in July
Highs average 80°27° and lows 56°13°, with 3 in76 mm of precipitation in a typical July.
- Record high
- 108°42° (1936)
- Record low
- 35°2° (1934)
- Heating degree days
- 41
- Cooling degree days
- 124
Tolley in August
Highs average 80°27° and lows 53°12°, with 2.2 in56 mm of precipitation in a typical August.
- Record high
- 108°42° (1958)
- Record low
- 27°−3° (1979)
- Heating degree days
- 67
- Cooling degree days
- 109
Tolley in September
Highs average 69°21° and lows 43°6°, with 1.9 in49 mm of precipitation in a typical September.
- Record high
- 101°38° (1976)
- Record low
- 16°−9° (1942)
- Heating degree days
- 288
- Cooling degree days
- 21
Tolley in OctoberThis month
Highs average 52°11° and lows 31°−1°, with 1.3 in32 mm of precipitation in a typical October.
- Record high
- 93°34° (1992)
- Record low
- −2°−19° (1991)
- Heating degree days
- 731
- Cooling degree days
- 1
Tolley in November
Highs average 35°2° and lows 17°−8°, with 0.79 in20 mm of precipitation in a typical November.
- Record high
- 76°24° (1990)
- Record low
- −27°−33° (1964)
- Heating degree days
- 1167
- Cooling degree days
- 0
Tolley in December
Highs average 23°−5° and lows 6°−15°, with 0.89 in23 mm of precipitation in a typical December.
- Record high
- 65°18° (1939)
- Record low
- −40° (1983)
- Heating degree days
- 1578
- Cooling degree days
- 0