Highwood weather by month
What a typical year looks like in Highwood, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Highwood 7 NE, 9 km from Highwood; records cover 1965–2026.
The year at a glance
- Precipitation a year
- 15.1 in384 mm
- Snow a year
- Rare
- Last spring freeze
- May 11
- First fall freeze
- Oct 4
- Heating degree days
- 7,086
- Cooling degree days
- 441
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −14°−26° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Highwood in January
Highs average 37°3° and lows 17°−8°, with 0.58 in15 mm of precipitation in a typical January.
- Record high
- 67°19° (2015)
- Record low
- −35°−37° (2024)
- Heating degree days
- 1183
- Cooling degree days
- 0
Highwood in February
Highs average 37°3° and lows 18°−8°, with 0.46 in12 mm of precipitation in a typical February.
- Record high
- 73°23° (2026)
- Record low
- −28°−33° (2021)
- Heating degree days
- 1054
- Cooling degree days
- 0
Highwood in March
Highs average 47°8° and lows 25°−4°, with 0.56 in14 mm of precipitation in a typical March.
- Record high
- 78°26° (2015)
- Record low
- −26°−32° (2019)
- Heating degree days
- 898
- Cooling degree days
- 0
Highwood in April
Highs average 58°14° and lows 33°0°, with 1.5 in38 mm of precipitation in a typical April.
- Record high
- 82°28° (2021)
- Record low
- −2°−19° (2018)
- Heating degree days
- 591
- Cooling degree days
- 0
Highwood in May
Highs average 66°19° and lows 42°6°, with 2.5 in64 mm of precipitation in a typical May.
- Record high
- 92°33° (2026)
- Record low
- 19°−7° (2013)
- Heating degree days
- 347
- Cooling degree days
- 7
Highwood in June
Highs average 75°24° and lows 49°9°, with 3 in77 mm of precipitation in a typical June.
- Record high
- 100°38° (2021)
- Record low
- 37°3° (2013)
- Heating degree days
- 128
- Cooling degree days
- 31
Highwood in July
Highs average 85°30° and lows 55°13°, with 1.7 in43 mm of precipitation in a typical July.
- Record high
- 105°41° (2026)
- Record low
- 41°5° (2018)
- Heating degree days
- 25
- Cooling degree days
- 179
Highwood in August
Highs average 84°29° and lows 55°13°, with 1.2 in30 mm of precipitation in a typical August.
- Record high
- 105°41° (2026)
- Record low
- 38°3° (2015)
- Heating degree days
- 40
- Cooling degree days
- 174
Highwood in September
Highs average 73°23° and lows 46°8°, with 1.5 in37 mm of precipitation in a typical September.
- Record high
- 103°39° (2022)
- Record low
- 20°−7° (1965)
- Heating degree days
- 207
- Cooling degree days
- 44
Highwood in OctoberThis month
Highs average 58°15° and lows 35°2°, with 1 in25 mm of precipitation in a typical October.
- Record high
- 85°29° (2010)
- Record low
- 1°−17° (2019)
- Heating degree days
- 570
- Cooling degree days
- 6
Highwood in November
Highs average 46°8° and lows 26°−3°, with 0.64 in16 mm of precipitation in a typical November.
- Record high
- 78°26° (2010)
- Record low
- −19°−28° (2014)
- Heating degree days
- 873
- Cooling degree days
- 0
Highwood in December
Highs average 36°2° and lows 18°−8°, with 0.5 in13 mm of precipitation in a typical December.
- Record high
- 66°19° (2021)
- Record low
- −30°−34° (2013)
- Heating degree days
- 1170
- Cooling degree days
- 0