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Billings, Montana climate
Dfb Warm-summer humid continental
Billings has a strongly seasonal cool-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 86°F, while the coldest is January averaging around 14°F at night. Precipitation totals about 15 inches a year and is strongly seasonal — May alone averages 2.5 inches while January barely receives 0.56 inches. Winters bring significant snowfall (35 inches of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsBillings climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 37 | 41 | 51 | 59 | 68 | 77 | 86 | 85 | 75 | 60 | 47 | 37 |
| Avg temp (°F) | 25 | 29 | 38 | 46 | 55 | 64 | 71 | 70 | 60 | 47 | 35 | 26 |
| Avg low (°F) | 14 | 17 | 25 | 33 | 42 | 50 | 56 | 54 | 45 | 34 | 24 | 16 |
| Precipitation (in) | 0.6 | 0.6 | 1.0 | 1.9 | 2.5 | 2.5 | 1.3 | 0.8 | 1.5 | 1.6 | 0.7 | 0.6 |
| Snowfall (in) | 7.5 | 4.7 | 4.9 | 3.2 | 0.1 | — | — | — | — | 1.7 | 3.1 | 9.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 37 | 41 | 51 | 59 | 68 | 77 |
| Avg temp (°F) | 25 | 29 | 38 | 46 | 55 | 64 |
| Avg low (°F) | 14 | 17 | 25 | 33 | 42 | 50 |
| Precipitation (in) | 0.6 | 0.6 | 1.0 | 1.9 | 2.5 | 2.5 |
| Snowfall (in) | 7.5 | 4.7 | 4.9 | 3.2 | 0.1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 85 | 75 | 60 | 47 | 37 |
| Avg temp (°F) | 71 | 70 | 60 | 47 | 35 | 26 |
| Avg low (°F) | 56 | 54 | 45 | 34 | 24 | 16 |
| Precipitation (in) | 1.3 | 0.8 | 1.5 | 1.6 | 0.7 | 0.6 |
| Snowfall (in) | — | — | — | 1.7 | 3.1 | 9.8 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 5 | 5 | 6 | 9 | 11 | 10 | 7 | 5 | 6 | 7 | 6 | 4 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.6 | 4 | 16 | 15 | 4 | 0.2 | — | — |
| Days with low ≤ 32°F (days) | 29 | 26 | 23 | 11 | 2 | — | — | — | 0.7 | 10 | 23 | 29 |
| Days with snowfall ≥ 1 in (days) | 2 | 2 | 1 | 1 | 0.1 | — | — | — | — | 0.6 | 1 | 3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 5 | 5 | 6 | 9 | 11 | 10 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.6 | 4 |
| Days with low ≤ 32°F (days) | 29 | 26 | 23 | 11 | 2 | — |
| Days with snowfall ≥ 1 in (days) | 2 | 2 | 1 | 1 | 0.1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 5 | 6 | 7 | 6 | 4 |
| Days with high ≥ 90°F (days) | 16 | 15 | 4 | 0.2 | — | — |
| Days with low ≤ 32°F (days) | — | — | 0.7 | 10 | 23 | 29 |
| Days with snowfall ≥ 1 in (days) | — | — | — | 0.6 | 1 | 3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 71 | 71 | 71 | 69 | 60 | 47 | 47 | 51 | 63 | 67 | 70 |
| Clear days (≤ 30% cloud) | 2 | 2 | 2 | 2 | 3 | 4 | 10 | 10 | 10 | 5 | 3 | 2 |
| Partly cloudy days (30–70%) | 12 | 10 | 11 | 10 | 11 | 14 | 14 | 13 | 10 | 11 | 11 | 11 |
| Cloudy days (≥ 70%) | 17 | 16 | 18 | 18 | 17 | 12 | 7 | 8 | 10 | 15 | 15 | 18 |
| Relative humidity (%) | 73 | 67 | 62 | 59 | 56 | 54 | 47 | 44 | 49 | 59 | 65 | 71 |
| Wind speed (mph) | 7.8 | 7.6 | 7.2 | 7.0 | 6.5 | 6.1 | 5.3 | 5.2 | 5.9 | 6.7 | 6.9 | 7.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 71 | 71 | 71 | 69 | 60 |
| Clear days (≤ 30% cloud) | 2 | 2 | 2 | 2 | 3 | 4 |
| Partly cloudy days (30–70%) | 12 | 10 | 11 | 10 | 11 | 14 |
| Cloudy days (≥ 70%) | 17 | 16 | 18 | 18 | 17 | 12 |
| Relative humidity (%) | 73 | 67 | 62 | 59 | 56 | 54 |
| Wind speed (mph) | 7.8 | 7.6 | 7.2 | 7.0 | 6.5 | 6.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 47 | 47 | 51 | 63 | 67 | 70 |
| Clear days (≤ 30% cloud) | 10 | 10 | 10 | 5 | 3 | 2 |
| Partly cloudy days (30–70%) | 14 | 13 | 10 | 11 | 11 | 11 |
| Cloudy days (≥ 70%) | 7 | 8 | 10 | 15 | 15 | 18 |
| Relative humidity (%) | 47 | 44 | 49 | 59 | 65 | 71 |
| Wind speed (mph) | 5.3 | 5.2 | 5.9 | 6.7 | 6.9 | 7.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Billings Wtp (NOAA GHCN station USC00240802), about 2 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.