Climateby Month

Billings vs Missoula weather

Billings, MT and Missoula, MT · 273 mi apart

July highs: 86°F in Billings, 85°F in Missoula (Billings is 1°F warmer). January highs: 37°F and 32°F (Billings is 5°F warmer). Billings has about 97 wet days a year, Missoula about 124. Snow: 57.4 in a year in Billings, 43.0 in in Missoula.

Billings, MT

0°20°40°60°80°100° January: normal high 37°F (3°C), low 14°F (-10°C) 37° 14° February: normal high 41°F (5°C), low 17°F (-8°C) March: normal high 51°F (11°C), low 25°F (-4°C) April: normal high 59°F (15°C), low 33°F (1°C) May: normal high 68°F (20°C), low 42°F (6°C) June: normal high 77°F (25°C), low 50°F (10°C) July: normal high 86°F (30°C), low 56°F (13°C) 86° 56° August: normal high 85°F (29°C), low 54°F (12°C) September: normal high 75°F (24°C), low 45°F (7°C) October: normal high 60°F (16°C), low 34°F (1°C) November: normal high 47°F (8°C), low 24°F (-4°C) December: normal high 37°F (3°C), low 16°F (-9°C) JFMAMJJASOND

Best months: May

Missoula, MT

0°20°40°60°80°100° January: normal high 32°F (0°C), low 18°F (-8°C) February: normal high 37°F (3°C), low 21°F (-6°C) March: normal high 48°F (9°C), low 27°F (-3°C) April: normal high 56°F (13°C), low 32°F (0°C) May: normal high 66°F (19°C), low 40°F (4°C) June: normal high 73°F (23°C), low 46°F (8°C) July: normal high 85°F (29°C), low 52°F (11°C) 85° 52° August: normal high 84°F (29°C), low 50°F (10°C) September: normal high 73°F (23°C), low 42°F (6°C) October: normal high 56°F (13°C), low 32°F (0°C) November: normal high 40°F (4°C), low 25°F (-4°C) December: normal high 31°F (-1°C), low 18°F (-8°C) 31° 18° JFMAMJJASOND

Best months: May, June

Which city for what

  • Milder winters: Billings (January high 37°F vs January high 32°F)
  • Fewer wet days: Billings (97 a year vs 124 a year)
  • Less snow: Missoula (43.0 in vs 57.4 in)
  • More comfortable days: Billings (89 a year vs 72 a year)

Listed only where the difference is at least 3°F in highs, 10 days a year or 3 in of snow.

Season by season

SeasonAvg high BillingsAvg high MissoulaWet days BillingsWet days Missoula
Winter (Dec-Feb)38°F33°F2036
Spring (Mar-May)59°F57°F3135
Summer (Jun-Aug)83°F81°F2525
Fall (Sep-Nov)61°F56°F2128

Side by side over a year

BillingsMissoula
Hot days (90°F+)4127
Freezing nights157173
Muggy days00
Comfortable days8972
Precipitation14.3 in14.1 in
Snowfall57.4 in43.0 in
Frost dateslast May 10, first Oct 1last May 10, first Oct 1
Daylight in June / December15.7 h / 8.7 h15.8 h / 8.6 h
Best monthsMayMay, June

Day counts from each city's daily records, 1991-2020. Comfortable days: highs 65-80°F and dew point under 60°F.

Month by month

MonthHigh BillingsHigh MissoulaWet days BillingsWet days Missoula
January37°F32°F713
February41°F37°F711
March51°F48°F911
April59°F56°F1011
May68°F66°F1212
June77°F73°F1113
July86°F85°F86
August85°F84°F66
September75°F73°F77
October60°F56°F810
November47°F40°F611
December37°F31°F613

Both charts use the same temperature scale.

Where the numbers come from

  • Billings, MT: temperature from Billings WTP (USC00240802), 1.2 mi SE of the city center; precipitation from Billings Logan Intl Airport (USW00024033). NOAA 1991-2020 normals and daily records.
  • Missoula, MT: temperature from Missoula Intl Airport (USW00024153), 5.7 mi NW of the city center; precipitation from Missoula Intl Airport (USW00024153). NOAA 1991-2020 normals and daily records.

Every station for each city, including humidity and frost, is listed on the city page. Methodology.