Climateby Month

Billings, MT climate by month

NOAA 1991-2020 normals · 3,122 ft elevation

Billings has warm summers and cold and snowy winters. Highs peak at 86°F in July and fall to 37°F in January. The wettest month is May (about 12 wet days) and the driest is August (about 6). Normal snowfall is about 57 in a year. By our comfort score the best month is May.

Warmest month
86°F
July normal high
Coldest month
14°F
January normal low
Wet days a year
97
14.3 in of precipitation
Snow a year
57.4 in
normal snowfall

How warm is Billings?

Normal highs range from 37°F in January to 86°F in July.

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

Bars run from the normal low to the normal high for each month.

How rainy is Billings?

May has the most wet days (about 12); the year brings about 14 in of precipitation.

January: 7 wet days February: 7 wet days March: 9 wet days April: 10 wet days May: 12 wet days 12 June: 11 wet days July: 8 wet days August: 6 wet days 6 September: 7 wet days October: 8 wet days November: 6 wet days December: 6 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How much does it snow?

Normal snowfall is 57.4 in a year, most of it in January.

January: 10.6 in of snow 10.6 February: 9.1 in of snow March: 8.2 in of snow April: 7.5 in of snow May: 0.9 in of snow June: 0.0 in of snow 0.0 July: 0.0 in of snow August: 0.0 in of snow September: 0.3 in of snow October: 4.5 in of snow November: 6.5 in of snow December: 9.8 in of snow JFMAMJJASOND

How humid is Billings?

Muggy days (dew point 65°F or higher) are rare in any month.

January: 0 muggy days 0 February: 0 muggy days March: 0 muggy days April: 0 muggy days May: 0 muggy days June: 0 muggy days July: 0 muggy days August: 0 muggy days September: 0 muggy days October: 0 muggy days November: 0 muggy days December: 0 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Billings Logan International Airport, 2.7 mi NW of the city center.

How much daylight?

Daylight ranges from about 8.7 hours in December to 15.7 hours in June.

January: 9.2 hours of daylight February: 10.4 hours of daylight March: 11.9 hours of daylight April: 13.6 hours of daylight May: 14.9 hours of daylight June: 15.7 hours of daylight 15.7 July: 15.3 hours of daylight August: 14.1 hours of daylight September: 12.5 hours of daylight October: 10.9 hours of daylight November: 9.5 hours of daylight December: 8.7 hours of daylight 8.7 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Billings, 1991-2020
MonthHighLowPrecip.Wet daysSnowMuggy daysDaylight
January 37°F14°F 0.6 in7 10.6 in 0 9.2 h
February 41°F17°F 0.6 in7 9.1 in 0 10.4 h
March 51°F25°F 0.9 in9 8.2 in 0 11.9 h
April 59°F33°F 1.7 in10 7.5 in 0 13.6 h
May 68°F42°F 2.4 in12 0.9 in 0 14.9 h
June 77°F50°F 2.2 in11 0.0 in 0 15.7 h
July 86°F56°F 1.2 in8 0.0 in 0 15.3 h
August 85°F54°F 0.9 in6 0.0 in 0 14.1 h
September 75°F45°F 1.4 in7 0.3 in 0 12.5 h
October 60°F34°F 1.4 in8 4.5 in 0 10.9 h
November 47°F24°F 0.6 in6 6.5 in 0 9.5 h
December 37°F16°F 0.6 in6 9.8 in 0 8.7 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Billings

By our comfort score, the best month is May.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 360213
Feb 421210
Mar 56735
Apr 661152
May 781861
Jun 721554
Jul 524316
Aug 524216
Sep 661334
Oct 611242
Nov 44327
Dec 350214

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.

Frost dates in Billings

The last spring frost typically comes around May 10, and the first fall frost around Oct 1, leaving 142 frost-free days in a typical year.

Frost and freeze dates for Billings
Typical date1 year in 10
Last spring frost (32°F)May 10after May 24
First fall frost (32°F)Oct 1before Sep 19
Last hard freeze (28°F)Apr 27after May 10
First hard freeze (28°F)Oct 12before Sep 27
Frost-free season142 daysunder 121 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Billings WTP (USC00240802), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Montana.

Hottest and coldest readings, 1991-2020

The highest reading was 108°F (July 15, 2002, and 1 other day); the lowest was -35°F (February 2, 1996).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Billings

Similar climates elsewhere

Where the numbers come from

  • Temperature and frost dates: Billings WTP (USC00240802), 1.2 mi SE of the city center, 3,097 ft . NOAA normals and daily records, 1991-2020.
  • Rain, snowfall, snow depth, humidity and wind by hour and cloud cover: Billings Logan Intl Airport (USW00024033), 2.6 mi NW of the city center, 3,581 ft (459 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Billings Logan International Airport (726770-24033), 2.7 mi NW of the city center, 3,590 ft (468 ft higher than the city). Hourly observations, 1991-2020.

Distances from the city center (USGS). Methodology · Report an error