Ashland weather by month
What a typical year looks like in Ashland, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Brandenberg, 25 km from Ashland; records cover 1956–2026.
The year at a glance
- Precipitation a year
- 15.5 in393 mm
- Snow a year
- 40 in103 cm
- Last spring freeze
- May 18
- First fall freeze
- Sep 21
- Heating degree days
- 7,254
- Cooling degree days
- 580
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −18°−28° (heating, 99%) and 102°39° (cooling, 1%).
Month by month
Ashland in January
Highs average 35°2° and lows 11°−12°, with 0.55 in14 mm of precipitation and 8 in19 cm of snow in a typical January.
- Record high
- 70°21° (2015)
- Record low
- −42°−41° (2024)
- Heating degree days
- 1304
- Cooling degree days
- 0
Ashland in February
Highs average 39°4° and lows 14°−10°, with 0.61 in15 mm of precipitation and 8 in20 cm of snow in a typical February.
- Record high
- 72°22° (1982)
- Record low
- −40° (2021)
- Heating degree days
- 1082
- Cooling degree days
- 0
Ashland in March
Highs average 50°10° and lows 23°−5°, with 0.91 in23 mm of precipitation and 7 in18 cm of snow in a typical March.
- Record high
- 86°30° (2004)
- Record low
- −41° (2019)
- Heating degree days
- 887
- Cooling degree days
- 0
Ashland in April
Highs average 60°16° and lows 31°0°, with 1.7 in43 mm of precipitation and 4 in10 cm of snow in a typical April.
- Record high
- 91°33° (1980)
- Record low
- −2°−19° (1997)
- Heating degree days
- 581
- Cooling degree days
- 0
Ashland in May
Highs average 70°21° and lows 41°5°, with 3.1 in79 mm of precipitation and 0.5 in1.3 cm of snow in a typical May.
- Record high
- 101°38° (1988)
- Record low
- 15°−9° (2026)
- Heating degree days
- 317
- Cooling degree days
- 10
Ashland in June
Highs average 79°26° and lows 49°10°, with 2.6 in65 mm of precipitation in a typical June.
- Record high
- 111°44° (1988)
- Record low
- 28°−2° (1982)
- Heating degree days
- 91
- Cooling degree days
- 72
Ashland in July
Highs average 90°32° and lows 55°13°, with 1.4 in37 mm of precipitation in a typical July.
- Record high
- 114°46° (2026)
- Record low
- 34°1° (1971)
- Heating degree days
- 13
- Cooling degree days
- 243
Ashland in August
Highs average 89°32° and lows 53°11°, with 0.91 in23 mm of precipitation in a typical August.
- Record high
- 111°44° (1988)
- Record low
- 30°−1° (1992)
- Heating degree days
- 27
- Cooling degree days
- 208
Ashland in September
Highs average 77°25° and lows 44°6°, with 1.2 in31 mm of precipitation in a typical September.
- Record high
- 106°41° (2022)
- Record low
- 19°−7° (1995)
- Heating degree days
- 185
- Cooling degree days
- 45
Ashland in OctoberThis month
Highs average 61°16° and lows 32°0°, with 1.4 in35 mm of precipitation and 1.7 in4.3 cm of snow in a typical October.
- Record high
- 98°37° (2011)
- Record low
- −12°−24° (1991)
- Heating degree days
- 570
- Cooling degree days
- 2
Ashland in November
Highs average 47°8° and lows 21°−6°, with 0.54 in14 mm of precipitation and 4 in11 cm of snow in a typical November.
- Record high
- 81°27° (1999)
- Record low
- −32°−36° (1959)
- Heating degree days
- 934
- Cooling degree days
- 0
Ashland in December
Highs average 36°2° and lows 13°−11°, with 0.55 in14 mm of precipitation and 7 in19 cm of snow in a typical December.
- Record high
- 70°21° (1957)
- Record low
- −44°−42° (1983)
- Heating degree days
- 1263
- Cooling degree days
- 0