Montana Weather Forecast
Montana weather: 75°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Montana weather in December
Weather map for Montana
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Climate in Montana month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 32° | 14° | 1,0 in | ★★☆☆☆ |
| February | 34° | 13° | 1,6 in | ★★☆☆☆ |
| March | 49° | 27° | 1,7 in | ★★★☆☆ |
| April | 56° | 31° | 1,3 in | ★★★☆☆ |
| May | 65° | 40° | 2,5 in | ★★★★☆ |
| June | 73° | 47° | 1,9 in | ★★★★★ |
| July | 86° | 56° | 0,6 in | ★★★★★ |
| August | 82° | 53° | 0,7 in | ★★★★★ |
| September | 74° | 47° | 1,1 in | ★★★★★ |
| October | 58° | 35° | 1,1 in | ★★★★☆ |
| November | 45° | 26° | 1,0 in | ★★★☆☆ |
| December | 40° | 25° | 1,4 in | ★★☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Best time to visit Montana
Go in June, July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
How Montana compares with nearby places
Annual averages, and the difference against Montana.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Yellowstone (UNESCO World Heritage Site) | 165 mi | 36°F | 42°F cooler | 25 in |
| Yellowstone National Park | 165 mi | 36°F | 42°F cooler | 25 in |
| Grand Teton National Park | 204 mi | 39°F | 39°F cooler | 30 in |
| Grand Teton | 206 mi | 18°F | 60°F cooler | 51 in |
| Teton County | 224 mi | 41°F | 37°F cooler | 26 in |
See the Montana forecast by time range
Montana weather - more answers
Explore Montana
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Montana?
Montana is a state in United States. Its coordinates are 46.5891, -112.0391. It lies in North America.
What is the weather like in Montana right now?
It is currently 75°F (24°C) with clear sky. Humidity is 17% and wind is 4 mph.
When is the best time to visit Montana?
June, July, August and September offer the most comfortable conditions in Montana, which has a subarctic climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Montana in?
Montana observes America/Denver (UTC-06:00). The local time is 1:44 AM.
How many people live in Montana?
Montana has a population of approximately 1.1 million.
What are the top things to do in Montana?
Popular options include Glacier National Park, Missouri River, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park, Grand Teton National Park and Grand Teton.
What places are in Montana?
Montana covers 4 places in this atlas, including Glacier National Park, Bozeman, Gallatin County and Missouri River.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 25, 2026 at 1:44 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
