Williams weather by month
What a typical year looks like in Williams, Minnesota: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Camp Norris Dnr, 24 km from Williams; records cover 2001–2026.
The year at a glance
- Precipitation a year
- 25.1 in637 mm
- Snow a year
- 46 in117 cm
- Last spring freeze
- May 27
- First fall freeze
- Sep 14
- Heating degree days
- 10,334
- Cooling degree days
- 206
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −31°−35° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
Williams in January
Highs average 14°−10° and lows −6°−21°, with 0.79 in20 mm of precipitation and 9 in22 cm of snow in a typical January.
- Record high
- 49°9° (2024)
- Record low
- −50°−46° (2019)
- Heating degree days
- 1895
- Cooling degree days
- 0
Williams in February
Highs average 20°−7° and lows −3°−20°, with 0.69 in18 mm of precipitation and 8 in20 cm of snow in a typical February.
- Record high
- 57°14° (2017)
- Record low
- −48°−44° (2021)
- Heating degree days
- 1583
- Cooling degree days
- 0
Williams in March
Highs average 34°1° and lows 11°−12°, with 0.88 in22 mm of precipitation and 7 in17 cm of snow in a typical March.
- Record high
- 77°25° (2012)
- Record low
- −32°−36° (2003)
- Heating degree days
- 1316
- Cooling degree days
- 0
Williams in April
Highs average 49°10° and lows 26°−3°, with 1.5 in37 mm of precipitation and 5 in12 cm of snow in a typical April.
- Record high
- 84°29° (2005)
- Record low
- −8°−22° (2018)
- Heating degree days
- 826
- Cooling degree days
- 0
Williams in May
Highs average 63°17° and lows 39°4°, with 2.9 in74 mm of precipitation and 0.3 in0.8 cm of snow in a typical May.
- Record high
- 94°34° (2025)
- Record low
- 15°−9° (2013)
- Heating degree days
- 438
- Cooling degree days
- 6
Williams in June
Highs average 73°23° and lows 50°10°, with 4 in101 mm of precipitation in a typical June.
- Record high
- 100°38° (2021)
- Record low
- 22°−6° (2009)
- Heating degree days
- 147
- Cooling degree days
- 38
Williams in July
Highs average 78°25° and lows 54°12°, with 3.5 in89 mm of precipitation in a typical July.
- Record high
- 98°37° (2021)
- Record low
- 37°3° (2009)
- Heating degree days
- 66
- Cooling degree days
- 83
Williams in August
Highs average 76°24° and lows 52°11°, with 3.5 in88 mm of precipitation in a typical August.
- Record high
- 98°37° (2003)
- Record low
- 32°0° (2009)
- Heating degree days
- 102
- Cooling degree days
- 62
Williams in September
Highs average 66°19° and lows 44°7°, with 3.1 in78 mm of precipitation in a typical September.
- Record high
- 93°34° (2023)
- Record low
- 22°−6° (2012)
- Heating degree days
- 316
- Cooling degree days
- 16
Williams in OctoberThis month
Highs average 50°10° and lows 31°−1°, with 2.3 in59 mm of precipitation and 2.8 in7.1 cm of snow in a typical October.
- Record high
- 89°32° (2015)
- Record low
- 4°−16° (2020)
- Heating degree days
- 755
- Cooling degree days
- 1
Williams in November
Highs average 33°1° and lows 16°−9°, with 1.1 in29 mm of precipitation and 4 in11 cm of snow in a typical November.
- Record high
- 72°22° (2022)
- Record low
- −25°−32° (2014)
- Heating degree days
- 1208
- Cooling degree days
- 0
Williams in December
Highs average 20°−7° and lows 2°−17°, with 0.86 in22 mm of precipitation and 11 in27 cm of snow in a typical December.
- Record high
- 47°8° (2018)
- Record low
- −43°−42° (2017)
- Heating degree days
- 1682
- Cooling degree days
- 0