Philipsburg weather by month
What a typical year looks like in Philipsburg, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Philipsburg Ranger Station, 2 km from Philipsburg; records cover 1955–2026.
The year at a glance
- Precipitation a year
- 16.5 in419 mm
- Snow a year
- Rare
- Last spring freeze
- Jun 20
- First fall freeze
- Aug 14
- Heating degree days
- 8,422
- Cooling degree days
- 59
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −13°−25° (heating, 99%) and 91°33° (cooling, 1%).
Month by month
Philipsburg in January
Highs average 36°2° and lows 15°−9°, with 0.67 in17 mm of precipitation in a typical January.
- Record high
- 64°18° (2005)
- Record low
- −41° (2024)
- Heating degree days
- 1226
- Cooling degree days
- 0
Philipsburg in February
Highs average 38°3° and lows 15°−10°, with 0.85 in22 mm of precipitation in a typical February.
- Record high
- 67°19° (2026)
- Record low
- −38°−39° (1989)
- Heating degree days
- 1088
- Cooling degree days
- 0
Philipsburg in March
Highs average 47°8° and lows 21°−6°, with 1.1 in28 mm of precipitation in a typical March.
- Record high
- 72°22° (1978)
- Record low
- −25°−32° (2019)
- Heating degree days
- 966
- Cooling degree days
- 0
Philipsburg in April
Highs average 54°12° and lows 26°−3°, with 1.6 in41 mm of precipitation in a typical April.
- Record high
- 80°27° (1992)
- Record low
- −1°−18° (2022)
- Heating degree days
- 753
- Cooling degree days
- 0
Philipsburg in May
Highs average 63°17° and lows 33°0°, with 2.6 in67 mm of precipitation in a typical May.
- Record high
- 90°32° (1986)
- Record low
- 8°−13° (1972)
- Heating degree days
- 524
- Cooling degree days
- 0
Philipsburg in June
Highs average 71°22° and lows 40°4°, with 2.5 in63 mm of precipitation in a typical June.
- Record high
- 96°36° (2015)
- Record low
- 21°−6° (1968)
- Heating degree days
- 298
- Cooling degree days
- 4
Philipsburg in July
Highs average 81°27° and lows 43°6°, with 1.2 in31 mm of precipitation in a typical July.
- Record high
- 98°37° (2002)
- Record low
- 25°−4° (1971)
- Heating degree days
- 121
- Cooling degree days
- 31
Philipsburg in August
Highs average 81°27° and lows 42°5°, with 1.1 in29 mm of precipitation in a typical August.
- Record high
- 98°37° (1961)
- Record low
- 19°−7° (1992)
- Heating degree days
- 140
- Cooling degree days
- 22
Philipsburg in September
Highs average 71°22° and lows 36°2°, with 1.4 in37 mm of precipitation in a typical September.
- Record high
- 95°35° (2022)
- Record low
- 5°−15° (1965)
- Heating degree days
- 352
- Cooling degree days
- 2
Philipsburg in OctoberThis month
Highs average 57°14° and lows 28°−2°, with 1.4 in36 mm of precipitation in a typical October.
- Record high
- 86°30° (1992)
- Record low
- −9°−23° (1971)
- Heating degree days
- 696
- Cooling degree days
- 0
Philipsburg in November
Highs average 43°6° and lows 21°−6°, with 1.2 in29 mm of precipitation in a typical November.
- Record high
- 73°23° (1975)
- Record low
- −30°−34° (1959)
- Heating degree days
- 996
- Cooling degree days
- 0
Philipsburg in December
Highs average 34°1° and lows 14°−10°, with 0.76 in19 mm of precipitation in a typical December.
- Record high
- 63°17° (2021)
- Record low
- −38°−39° (1983)
- Heating degree days
- 1262
- Cooling degree days
- 0