Ryegate weather by month
What a typical year looks like in Ryegate, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Ryegate, 0 km from Ryegate; records cover 1909–2026.
The year at a glance
- Precipitation a year
- 0 in0 mm
- Snow a year
- Rare
- Last spring freeze
- May 19
- First fall freeze
- Sep 21
- Heating degree days
- 7,174
- Cooling degree days
- 370
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 97°36° (cooling, 1%).
Month by month
Ryegate in January
Highs average 38°3° and lows 15°−10°, with — of precipitation in a typical January.
- Record high
- 68°20° (1981)
- Record low
- −41° (1917)
- Heating degree days
- 1201
- Cooling degree days
- 0
Ryegate in February
Highs average 41°5° and lows 16°−9°, with — of precipitation in a typical February.
- Record high
- 71°22° (1995)
- Record low
- −49°−45° (1914)
- Heating degree days
- 1023
- Cooling degree days
- 0
Ryegate in March
Highs average 51°10° and lows 24°−5°, with — of precipitation in a typical March.
- Record high
- 81°27° (2026)
- Record low
- −31°−35° (1989)
- Heating degree days
- 865
- Cooling degree days
- 0
Ryegate in April
Highs average 58°15° and lows 31°−1°, with — of precipitation in a typical April.
- Record high
- 87°31° (1910)
- Record low
- −3°−19° (1982)
- Heating degree days
- 609
- Cooling degree days
- 0
Ryegate in May
Highs average 67°19° and lows 40°4°, with — of precipitation in a typical May.
- Record high
- 100°38° (1919)
- Record low
- 4°−16° (1954)
- Heating degree days
- 367
- Cooling degree days
- 6
Ryegate in June
Highs average 76°24° and lows 48°9°, with — of precipitation in a typical June.
- Record high
- 109°43° (1919)
- Record low
- 26°−3° (1919)
- Heating degree days
- 128
- Cooling degree days
- 40
Ryegate in July
Highs average 86°30° and lows 53°12°, with — of precipitation in a typical July.
- Record high
- 110°43° (2026)
- Record low
- 30°−1° (1912)
- Heating degree days
- 18
- Cooling degree days
- 160
Ryegate in August
Highs average 85°30° and lows 51°11°, with — of precipitation in a typical August.
- Record high
- 104°40° (2026)
- Record low
- 25°−4° (1910)
- Heating degree days
- 37
- Cooling degree days
- 138
Ryegate in September
Highs average 76°24° and lows 42°6°, with — of precipitation in a typical September.
- Record high
- 102°39° (2022)
- Record low
- 17°−8° (1965)
- Heating degree days
- 209
- Cooling degree days
- 24
Ryegate in OctoberThis month
Highs average 61°16° and lows 32°0°, with — of precipitation in a typical October.
- Record high
- 92°33° (2010)
- Record low
- −12°−24° (2020)
- Heating degree days
- 577
- Cooling degree days
- 2
Ryegate in November
Highs average 46°8° and lows 22°−5°, with — of precipitation in a typical November.
- Record high
- 78°26° (2010)
- Record low
- −27°−33° (1955)
- Heating degree days
- 928
- Cooling degree days
- 0
Ryegate in December
Highs average 38°3° and lows 14°−10°, with — of precipitation in a typical December.
- Record high
- 69°21° (2021)
- Record low
- −38°−39° (1983)
- Heating degree days
- 1212
- Cooling degree days
- 0