Malta weather by month
What a typical year looks like in Malta, Montana: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Malta 7 E, 11 km from Malta; records cover 1972–2026.
The year at a glance
- Precipitation a year
- 13.3 in337 mm
- Snow a year
- Rare
- Last spring freeze
- May 13
- First fall freeze
- Sep 22
- Heating degree days
- 7,833
- Cooling degree days
- 632
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −26°−32° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Malta in January
Highs average 27°−3° and lows 6°−15°, with 0.38 in9.7 mm of precipitation in a typical January.
- Record high
- 62°17° (2002)
- Record low
- −43°−42° (2024)
- Heating degree days
- 1508
- Cooling degree days
- 0
Malta in February
Highs average 32°0° and lows 9°−13°, with 0.3 in7.6 mm of precipitation in a typical February.
- Record high
- 74°23° (1992)
- Record low
- −44°−42° (1996)
- Heating degree days
- 1246
- Cooling degree days
- 0
Malta in March
Highs average 45°7° and lows 21°−6°, with 0.45 in11 mm of precipitation in a typical March.
- Record high
- 82°28° (1993)
- Record low
- −36°−38° (1996)
- Heating degree days
- 980
- Cooling degree days
- 0
Malta in April
Highs average 59°15° and lows 34°1°, with 1.1 in28 mm of precipitation in a typical April.
- Record high
- 94°34° (1980)
- Record low
- −4°−20° (1986)
- Heating degree days
- 559
- Cooling degree days
- 1
Malta in May
Highs average 70°21° and lows 44°7°, with 2.1 in54 mm of precipitation in a typical May.
- Record high
- 101°38° (1984)
- Record low
- 19°−7° (2011)
- Heating degree days
- 276
- Cooling degree days
- 21
Malta in June
Highs average 78°26° and lows 53°12°, with 3.1 in79 mm of precipitation in a typical June.
- Record high
- 108°42° (2021)
- Record low
- 29°−2° (1982)
- Heating degree days
- 75
- Cooling degree days
- 93
Malta in July
Highs average 87°31° and lows 58°15°, with 1.5 in37 mm of precipitation in a typical July.
- Record high
- 108°42° (2026)
- Record low
- 32°0° (2008)
- Heating degree days
- 15
- Cooling degree days
- 252
Malta in August
Highs average 86°30° and lows 56°13°, with 1.3 in32 mm of precipitation in a typical August.
- Record high
- 109°43° (2018)
- Record low
- 31°−1° (1988)
- Heating degree days
- 32
- Cooling degree days
- 218
Malta in September
Highs average 75°24° and lows 45°7°, with 1.2 in31 mm of precipitation in a typical September.
- Record high
- 105°41° (2022)
- Record low
- 11°−12° (1995)
- Heating degree days
- 188
- Cooling degree days
- 44
Malta in OctoberThis month
Highs average 60°15° and lows 34°1°, with 1 in26 mm of precipitation in a typical October.
- Record high
- 93°34° (2011)
- Record low
- −11°−24° (1991)
- Heating degree days
- 570
- Cooling degree days
- 3
Malta in November
Highs average 43°6° and lows 20°−7°, with 0.47 in12 mm of precipitation in a typical November.
- Record high
- 79°26° (1999)
- Record low
- −36°−38° (1985)
- Heating degree days
- 1002
- Cooling degree days
- 0
Malta in December
Highs average 31°−1° and lows 10°−12°, with 0.33 in8.4 mm of precipitation in a typical December.
- Record high
- 68°20° (2021)
- Record low
- −45°−43° (1972)
- Heating degree days
- 1382
- Cooling degree days
- 0