Montana, United States Weather

  1. Montana, United States Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Montana over the next 12 hours
  7. Temperature and possibility of rain in Montana in the coming days
  8. Rainfall in Montana in the coming days
  9. Montana Weather Summary
  10. Weather averages by month
  11. Montana's weather
  12. Frequently asked questions
  13. Comments
Montana, Weather
(Photo by Stephen Pedersen on Unsplash)

Current conditions

Updated:
21°C
69.8°F
°C °F

Condition: Partly Cloudy

Pressure: 838 hPa

Feel like: 16 °C

Temperature: 21°C

Cloud: 64%

Humidity: 11%

Wind: W - 17 km/h

Visibility: 90.0 km

Weather forecast

Tue
12 May
5°C / 21°C
Overcast
Wed
13 May
10°C / 27°C
Drizzle
Thu
14 May
10°C / 21°C
Slight Rain Showers
Fri
15 May
9°C / 19°C
Overcast
Sat
16 May
5°C / 16°C
Overcast
Hourly forecast today:
00:00 AM
-9° / 21°
-9° / 21°
Partly Cloudy
11% 29 km/h
01:00 AM
-8° / 21°
-8° / 21°
Clear Sky
13% 27 km/h
02:00 AM
-8° / 19°
-8° / 19°
Overcast
14% 21 km/h
03:00 AM
-9° / 17°
-9° / 17°
Overcast
15% 13 km/h
04:00 AM
-10° / 16°
-10° / 16°
Overcast
15% 4 km/h
05:00 AM
-10° / 15°
-10° / 15°
Overcast
16% 9 km/h
06:00 AM
-9° / 15°
-9° / 15°
Overcast
16% 5 km/h
07:00 AM
-9° / 14°
-9° / 14°
Overcast
18% 6 km/h
08:00 AM
-8° / 13°
-8° / 13°
Overcast
20% 12 km/h
09:00 AM
-7° / 14°
-7° / 14°
Overcast
22% 17 km/h
10:00 AM
-3° / 14°
-3° / 14°
Overcast
28% 33 km/h

30 Day Averages and Extremes

  • Average high 15.33°C
  • Average low 3.8°C
  • Hottest day 27°C (13 May 2026)
  • Coldest day -8°C (27 April 2026)
  • Average humidity 49.9%
  • Days with precipitation 21 days
  • Highest precipitation 38 mm (23 May 2026)

Yesterday's Data

  • Max: 22°C
  • Min: 6°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Montana over the next 12 hours

Temperature and possibility of rain in Montana in the coming days

Rainfall in Montana in the coming days

Montana Climate Summary

Montana features a Mid-latitude steppe (Köppen classification: BSk), with an average annual temperature of 4.29ºC (39.72ºF), which is about -8.35% lower than the national average for United States. Annually, the city experiences approximately 62.09 millimeters (2.44 inches) of rainfall, spread across 149.83 rainy days, accounting for 41.05% of the year.

Longitude 46.8796822
Latitude -110.3625658
Yearly high temperature 7.95ºC (46.31ºF)
Yearly low temperature -1.75ºC (28.85ºF)
Hottest month August 22.32ºC (72.18ºF)
Coldest month December -10.7ºC (12.74ºF)
Yearly precip 62.09mm (2.44in)
Days with rainfall 149.83 days (41.05%)
Driest month December (83.3%)
Wettest month May (73.73%)

Weather averages by month

Month High / Low (°C) Rain
January -3.18° / -10.14° 9.73 days
February -3.92° / -11.64° 13.0 days
March 1.72° / -6.3° 13.55 days
April 5.37° / -3.73° 18.09 days
May 11.36° / 1.05° 19.45 days
June 17.2° / 5.34° 18.64 days
July 23.26° / 9.06° 11.27 days
August 22.32° / 9.0° 8.91 days
September 16.69° / 5.16° 8.64 days
October 8.11° / -1.11° 11.09 days
November 0.44° / -7.05° 8.82 days
December -4.02° / -10.7° 8.64 days

Montana's weather

Frequently asked questions

1. What is the hottest month in Montana?

August has the highest average monthly temperature (daily mean of 22.32ºC) and December are the coolest (daily mean of -10.7ºC).

2. What should I wear in Montana today?

For today's mild weather in Montana, with temperatures between 16ºC to 19ºC (60.8ºF to 66.2ºF), consider wearing:
- Comfortable jeans or slacks
- Scarf (optional)
- Sun hat (if spending time outdoors)
- Long-sleeve shirt or blouse

Temperature

Early
-9°C / 17°C
Morning
-7°C / 14°C
Afternoon
0°C / 14°C
Evening
-4°C / 19°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 445
  • CO 141
  • NH3 0
  • NO2 0
  • O3 139
  • PM10 9
  • PM25 3
  • SO2 0
  • CH4 1,378

Sunrise / Sunset

11:50
02:44