Billings, MT Climate & Monthly Averages
The climate of Billings
Billings runs one of the wider annual swings in our dataset: 28°C separates the average July from the average February. Afternoons reach 89°F (32°C) at the peak of summer and 36°F (2°C) at the depth of winter, with 82 days of measurable precipitation through the year.
Climate quick facts
- Hottest month: July - highs near 89°F (32°C)
- Coldest month: February - highs near 36°F (2°C)
- Decade extremes (2015-2024): 106°F (41°C) high · -35°F (-37°C) low
- Wettest month: May (12 rainy days) · Sunniest: July (13.9 h sun/day)
- Climate type: semi-arid
- Annual swing: 28°C between the average warmest and coolest month · day to night: 12°C
- Snow: about 22 days a year
- Months averaging 30°C or hotter: 2
- Average humidity: 53%
Temperatures through the year
July is the brightest month at 13.9 hours of sun a day, against an annual average of 9.6. February is the coolest month, with highs of 36°F (2°C) and lows near 16°F (-9°C). Warmth peaks in July: highs of 89°F (32°C), lows of 62°F (17°C). The gridded 2015-2024 daily record for this location tops out at 106°F (41°C) and bottoms at -35°F (-37°C) - decade extremes, not all-time station records. Between the average July and the average February lie 28°C, a wider spread than 94% of the 3496 cities in our dataset.
Rain, sun and snow
Snow falls on roughly 22 days a year, mostly October through April.
How Billings compares
- Billings averages 49°F (9°C) across the year - cooler than all but 7% of the 3496 cities we track.
- Afternoons run 12°C above the following night - a bigger day-to-night gap than 92% of the 3496 cities we track.
- Relative humidity averages 53% - drier than all but 8% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 36° | 18° | 6 | 0.8 in | 7.0 h/day | 61% |
| February | 36° | 16° | 8 | 1.2 in | 7.6 h/day | 60% |
| March | 49° | 26° | 8 | 1.1 in | 9.1 h/day | 57% |
| April | 57° | 34° | 10 | 2.1 in | 9.9 h/day | 55% |
| May | 67° | 44° | 12 | 2.6 in | 11.0 h/day | 57% |
| June | 80° | 55° | 8 | 2.2 in | 13.1 h/day | 51% |
| July | 89° | 62° | 4 | 0.6 in | 13.9 h/day | 40% |
| August | 87° | 61° | 4 | 0.8 in | 12.3 h/day | 40% |
| September | 77° | 52° | 5 | 1.5 in | 10.4 h/day | 47% |
| October | 60° | 39° | 7 | 1.6 in | 8.2 h/day | 56% |
| November | 47° | 28° | 6 | 0.9 in | 6.8 h/day | 57% |
| December | 37° | 20° | 6 | 0.9 in | 6.1 h/day | 59% |
Billings month by month
Billings weather in January
January brings highs around 36°F (2°C), lows near 18°F (-8°C), about 6 wet days and roughly 3 snowy days.
Billings weather in February
February brings highs around 36°F (2°C), lows near 16°F (-9°C), about 8 wet days and roughly 5 snowy days - typically the coldest month of the year in Billings.
Billings weather in March
March brings highs around 49°F (9°C), lows near 26°F (-3°C), about 8 wet days and roughly 3 snowy days.
Billings weather in April
April brings highs around 57°F (14°C), lows near 34°F (1°C), about 10 wet days and roughly 2 snowy days.
Billings weather in May
May brings highs around 67°F (20°C), lows near 44°F (7°C), about 12 wet days - typically the wettest month of the year in Billings.
Billings weather in June
June brings highs around 80°F (26°C), lows near 55°F (13°C), about 8 wet days.
Billings weather in July
July brings highs around 89°F (32°C), lows near 62°F (17°C), about 4 wet days - typically the hottest month and the driest month and the sunniest month of the year in Billings.
Billings weather in August
August brings highs around 87°F (30°C), lows near 61°F (16°C), about 4 wet days.
Billings weather in September
September brings highs around 77°F (25°C), lows near 52°F (11°C), about 5 wet days.
Billings weather in October
October brings highs around 60°F (16°C), lows near 39°F (4°C), about 7 wet days and roughly 2 snowy days.
Billings weather in November
November brings highs around 47°F (8°C), lows near 28°F (-2°C), about 6 wet days and roughly 2 snowy days.
Billings weather in December
December brings highs around 37°F (3°C), lows near 20°F (-7°C), about 6 wet days and roughly 4 snowy days.
Seasons in Billings
Spring (March through May)
Spring in Billings stays on the cool side of mild, with daytime highs averaging 58°F (14°C) and nights around 35°F (2°C); expect showers on roughly 29 days across the season, plus about 5 snowy days. Daylight is generous - around 10.0 hours of sun a day.
Summer (June through August)
Through summer, Billings sits firmly in the heat: 85°F (30°C) by day, 59°F (15°C) after dark, and rain comes on about 15 days over the three months. Daylight is generous - around 13.1 hours of sun a day.
Fall (September through November)
Fall in Billings is crisp but comfortable, with daytime highs averaging 62°F (16°C) and nights around 40°F (4°C); expect showers on roughly 19 days across the season, plus about 4 snowy days.
Winter (December through February)
Winter runs to hard cold here - highs near 36°F (2°C), nights near 18°F (-8°C), and expect showers on roughly 20 days across the season, plus about 12 snowy days. Wind sharpens cold like this considerably; pair the forecast winds with the wind speed converter to judge exposed conditions.
Climate questions, answered
Which months are driest in Billings?
What should I pack for Billings?
How humid does Billings get?
How cold does Billings get in winter?
Best time to visit Billings
Aim for May to June and September to October if you get the choice: temperatures sit either side of the peak heat rather than in it, and highs average 71°F (22°C) against roughly 8 wet days a month. For the same question asked the other way round, see where else is warm in May.
Pack for Billings with light clothing for the warm months, a heavy insulated coat, hat and gloves for winter and rain gear if you travel around May. Even in July, lows of 62°F (17°C) make an extra layer worth the space.
Billings temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.