Billings, MT climate: monthly averages and frost dates
Billings, MT has cold winters and warm summers by this site's scale, with semi-arid annual precipitation. The figures are the 1991–2020 climate normals for NOAA station USW00024033 (BILLINGS LOGAN INTL AP), 1 mi (2 km) in a straight line from the city's center point (US Census).
- Warmest month high
- 87.3°F
- July
- Coldest month mean
- 27.0°F
- January
- Precipitation
- 14.3 in
- per year
- Snowfall
- 57.4 in
- per year
- Median last frost
- May 4
- 32°F, spring
- Median first frost
- October 7
- 32°F, autumn
Monthly averages in Billings
| Month | High °F | Low °F | Mean °F | Precip. in | Snow in | Days ≥0.01 in | Days ≥90°F | Nights ≤32°F |
|---|---|---|---|---|---|---|---|---|
| January | 36.0 | 17.9 | 27.0 | 0.55 | 10.6 | 6.6 | 0.0 | 27.3 |
| February | 39.2 | 19.7 | 29.4 | 0.57 | 9.1 | 6.9 | 0.0 | 24.4 |
| March | 49.0 | 26.9 | 38.0 | 0.90 | 8.2 | 8.6 | 0.0 | 21.1 |
| April | 56.9 | 34.7 | 45.8 | 1.72 | 7.5 | 10.4 | 0.0 | 10.6 |
| May | 66.9 | 43.8 | 55.3 | 2.36 | 0.9 | 12.2 | 0.4 | 1.7 |
| June | 77.0 | 52.4 | 64.7 | 2.22 | 0.0 | 11.2 | 2.9 | 0.0 |
| July | 87.3 | 59.3 | 73.3 | 1.22 | 0.0 | 7.7 | 13.7 | 0.0 |
| August | 85.8 | 57.5 | 71.6 | 0.87 | 0.0 | 6.0 | 12.2 | 0.0 |
| September | 74.3 | 48.6 | 61.4 | 1.36 | 0.3 | 6.8 | 2.8 | 0.4 |
| October | 58.8 | 37.1 | 47.9 | 1.37 | 4.5 | 8.2 | 0.1 | 8.0 |
| November | 45.7 | 26.7 | 36.2 | 0.60 | 6.5 | 6.1 | 0.0 | 20.5 |
| December | 36.1 | 19.2 | 27.6 | 0.57 | 9.8 | 6.2 | 0.0 | 27.5 |
| Year | 59.4 | 37.0 | 48.2 | 14.31 | 57.4 | 96.9 | 32.0 | 141.5 |
How cold is winter in Billings?
Winters in Billings are cold by this site's scale (coldest-month mean 20 to under 32°F). The coldest month is January, with a mean temperature of 27.0°F (−2.8°C), a normal daily high of 36.0°F (2.2°C) and a normal daily low of 17.9°F (−7.8°C).
The station averages 141.5 nights a year at or below 32°F and 39.5 days when the high stays at or below 32°F.
The normal daily low is at or below freezing in November to March.
How hot is summer in Billings?
Summers in Billings are warm by this site's scale (hottest-month high 80 to under 90°F). July has the highest normal daily high, 87.3°F (30.7°C), with nights averaging 59.3°F (15.2°C).
The high reaches 90°F or more on 32.0 days in a normal year.
What is the wettest month in Billings?
Billings gets 14.31 in (363 mm) of precipitation in a normal year, which this site classes as semi-arid (10 to under 20 in a year). The wettest month is May with 2.36 in (60 mm); the driest is January with 0.55 in (14 mm).
Measurable precipitation (0.01 in or more) falls on 96.9 days a year.
Does it snow in Billings?
Normal annual snowfall in Billings is 57.4 in (146 cm), which this site classes as heavy (36 to under 72 in a year).
January is the snowiest month, with 10.6 in (27 cm).
A day with 1.0 in or more of snowfall comes 18.1 times a year on average.
Which months are mild in Billings?
2 months in Billings meet this site's comfort thresholds (normal high 65–85°F, low 45°F or higher, fewer than 10 days with 0.10 in or more of precipitation): June and September.
August misses by one threshold only (normal high 85.8°F, above the 85°F limit).
Thresholds and their limits: methodology.
Frost dates and growing season in Billings
In Billings the median last spring night at or below 32°F is May 4, and the median first autumn one is October 7 (NOAA P50 dates). NOAA's median length of the freeze-free season is 156 days.
There is still a 10% chance of a 32°F night on or after May 18, and a 10% chance that the first one has come by September 26.
The chance that the last spring 32°F night comes on or after April 20 is 90%.
For a hard freeze (28°F or lower) the median dates are April 21 in spring and October 16 in autumn.
| Chance | Last spring 32°F night on or after | First autumn 32°F night by | Freeze-free season, days |
|---|---|---|---|
| 10% | May 18 | September 26 | 175 |
| 20% | May 14 | September 29 | 169 |
| 30% | May 10 | October 1 | 164 |
| 40% | May 7 | October 4 | 160 |
| 50% | May 4 | October 7 | 156 |
| 60% | May 1 | October 11 | 152 |
| 70% | April 29 | October 14 | 148 |
| 80% | April 24 | October 16 | 143 |
| 90% | April 20 | October 21 | 136 |
| Threshold | Median last date (spring) | Median first date (autumn or winter) | Median season, days |
|---|---|---|---|
| 36°F | May 15 | September 28 | 135 |
| 32°F | May 4 | October 7 | 156 |
| 28°F | April 21 | October 16 | 177 |
| 24°F | April 7 | October 26 | 198 |
| 20°F | March 29 | November 3 | 218 |
| 16°F | March 19 | November 11 | 234 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 100% | 100% | 100% | 100% | 61% | 0% | 0% | 0% | 24% | 99% | 100% | 100% |
Nearby and similar places
Of the places on this site, the closest to Billings by station distance are Salt Lake City, UT at 388 mi (624 km), Boise, ID at 408 mi (657 km) and Spokane, WA at 443 mi (714 km).
Among places whose winter, summer and precipitation words are each within one band of Billings's (winter: cold, summer: warm, precipitation: semi-arid), the closest monthly temperature and precipitation patterns are Denver, CO, Salt Lake City, UT and Boise, ID.
Compared with Salt Lake City, UT, Billings's peak-month normal high is 6.7°F (3.7°C) lower, its coldest-month mean is 4.4°F (2.4°C) lower, and its annual precipitation is 1.21 in less.
| Place | Listed as | Station distance | Coldest mean °F | Warmest high °F | Precip. in/yr | Snow in/yr | Last frost |
|---|---|---|---|---|---|---|---|
| Billings, MT | this page | – | 27.0 | 87.3 | 14.3 | 57.4 | May 4 |
| Salt Lake City, UT | nearby, similar | 388 mi (624 km) | 31.4 | 94.0 | 15.5 | 51.9 | April 8 |
| Boise, ID | nearby, similar | 408 mi (657 km) | 32.1 | 92.7 | 11.5 | 17.6 | April 24 |
| Spokane, WA | nearby | 443 mi (714 km) | 29.1 | 84.4 | 16.4 | 45.4 | April 26 |
| Denver, CO | similar | 457 mi (736 km) | 31.2 | 89.9 | 14.5 | – | May 5 |
How nearby and similar places are chosen: methodology.
Source and station
The data for Billings come from NOAA station BILLINGS LOGAN INTL AP, MT US (USW00024033) at 45.8069, -108.5422, elevation 3,581 ft (1092 m). It lies 1 mi (2 km) in a straight line from the center point of Billings city, the “internal point” in the US Census 2024 Gazetteer.
Each monthly normal used here rests on at least 28 years of data from 1991–2020 (NOAA's per-field year counts).
NOAA completeness flags on the monthly fields used here:
- S: Standard: meets WMO standards for data availability for 24 or more years.
Cite the data as:
Palecki, Michael; Durre, Imke; Applequist, Scott; Arguez, Anthony; Lawrimore, Jay (2021). U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). Station USW00024033 (BILLINGS LOGAN INTL AP, MT US). NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/wck8-er13. Accessed 2026-10-09.
Palecki, Michael; Durre, Imke; Applequist, Scott; Arguez, Anthony; Lawrimore, Jay (2021). U.S. Climate Normals 2020: U.S. Annual/Seasonal Climate Normals (1991-2020). Station USW00024033 (BILLINGS LOGAN INTL AP, MT US). NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/4ek7-fk11. Accessed 2026-10-09.
Files used: monthly normals CSV, annual/seasonal normals CSV (retrieved 2026-10-09). The values on this page as JSON: /us/mt/billings/data.json.