Biddle weather by month
What a typical year looks like in Biddle, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Biddle 8 SW, 15 km from Biddle; records cover 1963–2026.
The year at a glance
- Precipitation a year
- 15.3 in387 mm
- Snow a year
- 35 in89 cm
- Last spring freeze
- May 14
- First fall freeze
- Sep 25
- Heating degree days
- 7,049
- Cooling degree days
- 661
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −14°−25° (heating, 99%) and 101°38° (cooling, 1%).
Month by month
Biddle in January
Highs average 37°3° and lows 13°−10°, with 0.4 in10 mm of precipitation and 5 in12 cm of snow in a typical January.
- Record high
- 69°21° (1992)
- Record low
- −35°−37° (2024)
- Heating degree days
- 1242
- Cooling degree days
- 0
Biddle in February
Highs average 39°4° and lows 15°−9°, with 0.51 in13 mm of precipitation and 6 in14 cm of snow in a typical February.
- Record high
- 72°22° (1982)
- Record low
- −37°−38° (1996)
- Heating degree days
- 1060
- Cooling degree days
- 0
Biddle in March
Highs average 50°10° and lows 24°−5°, with 0.77 in20 mm of precipitation and 6 in15 cm of snow in a typical March.
- Record high
- 83°28° (2026)
- Record low
- −27°−33° (1989)
- Heating degree days
- 873
- Cooling degree days
- 0
Biddle in April
Highs average 59°15° and lows 32°0°, with 1.8 in46 mm of precipitation and 6 in14 cm of snow in a typical April.
- Record high
- 90°32° (1980)
- Record low
- −7°−22° (2020)
- Heating degree days
- 600
- Cooling degree days
- 0
Biddle in May
Highs average 68°20° and lows 41°5°, with 3 in77 mm of precipitation and 1.3 in3.3 cm of snow in a typical May.
- Record high
- 98°37° (1969)
- Record low
- 15°−9° (1967)
- Heating degree days
- 332
- Cooling degree days
- 11
Biddle in June
Highs average 79°26° and lows 50°10°, with 2.3 in59 mm of precipitation in a typical June.
- Record high
- 109°43° (2021)
- Record low
- 28°−2° (1964)
- Heating degree days
- 93
- Cooling degree days
- 81
Biddle in July
Highs average 89°32° and lows 57°14°, with 1.8 in46 mm of precipitation in a typical July.
- Record high
- 110°43° (2021)
- Record low
- 36°2° (1971)
- Heating degree days
- 13
- Cooling degree days
- 268
Biddle in August
Highs average 88°31° and lows 55°13°, with 1.1 in29 mm of precipitation in a typical August.
- Record high
- 107°42° (2000)
- Record low
- 30°−1° (1966)
- Heating degree days
- 23
- Cooling degree days
- 232
Biddle in September
Highs average 78°25° and lows 46°8°, with 1.3 in33 mm of precipitation and 0.1 in0.3 cm of snow in a typical September.
- Record high
- 104°40° (1978)
- Record low
- 13°−11° (1984)
- Heating degree days
- 162
- Cooling degree days
- 66
Biddle in OctoberThis month
Highs average 61°16° and lows 34°1°, with 1.4 in34 mm of precipitation and 4 in10 cm of snow in a typical October.
- Record high
- 93°34° (2011)
- Record low
- −17°−27° (1991)
- Heating degree days
- 546
- Cooling degree days
- 3
Biddle in November
Highs average 48°9° and lows 23°−5°, with 0.46 in12 mm of precipitation and 4 in9 cm of snow in a typical November.
- Record high
- 79°26° (1999)
- Record low
- −24°−31° (1985)
- Heating degree days
- 890
- Cooling degree days
- 0
Biddle in December
Highs average 37°3° and lows 14°−10°, with 0.37 in9.4 mm of precipitation and 5 in11 cm of snow in a typical December.
- Record high
- 70°21° (2021)
- Record low
- −43°−42° (1989)
- Heating degree days
- 1215
- Cooling degree days
- 0