Montana Climate (Weather Averages)

The Montana Climate Guide is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

Montana Weather Montana Summary Montana Climate Montana Today Montana Forecast Montana When Best
Montana Weather Montana Summary Montana Climate Montana Today Montana Forecast Montana When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) -1°C (30°F) Max Daytime Temperature in January in Montana (Helena) 3°C (37°F) Max Daytime Temperature in February in Montana (Helena) 7°C (45°F) Max Daytime Temperature in March in Montana (Helena) 14°C (57°F) Max Daytime Temperature in April in Montana (Helena) 19°C (66°F) Max Daytime Temperature in May in Montana (Helena) 24°C (75°F) Max Daytime Temperature in June in Montana (Helena) 29°C (84°F) Max Daytime Temperature in July in Montana (Helena) 28°C (82°F) Max Daytime Temperature in August in Montana (Helena) 22°C (72°F) Max Daytime Temperature in September in Montana (Helena) 15°C (59°F) Max Daytime Temperature in October in Montana (Helena) 6°C (43°F) Max Daytime Temperature in November in Montana (Helena) 1°C (34°F) Max Daytime Temperature in December in Montana (Helena)
Min Night-time Temperature (°C) -12°C (10°F) Min Night-time Temperature in January in Montana (Helena) -9°C (16°F) Min Night-time Temperature in February in Montana (Helena) -5°C (23°F) Min Night-time Temperature in March in Montana (Helena) -1°C (30°F) Min Night-time Temperature in April in Montana (Helena) 4°C (39°F) Min Night-time Temperature in May in Montana (Helena) 8°C (46°F) Min Night-time Temperature in June in Montana (Helena) 11°C (52°F) Min Night-time Temperature in July in Montana (Helena) 10°C (50°F) Min Night-time Temperature in August in Montana (Helena) 5°C (41°F) Min Night-time Temperature in September in Montana (Helena) 0°C (32°F) Min Night-time Temperature in October in Montana (Helena) -6°C (21°F) Min Night-time Temperature in November in Montana (Helena) -10°C (14°F) Min Night-time Temperature in December in Montana (Helena)
Hours of Sunshine (Daily) 4 Hours of Bright Sunshine per day (43% of Daylight Hours) in January in Montana (Helena) 5 Hours of Bright Sunshine per day (51% of Daylight Hours) in February in Montana (Helena) 7 Hours of Bright Sunshine per day (60% of Daylight Hours) in March in Montana (Helena) 8 Hours of Bright Sunshine per day (59% of Daylight Hours) in April in Montana (Helena) 9 Hours of Bright Sunshine per day (60% of Daylight Hours) in May in Montana (Helena) 10 Hours of Bright Sunshine per day (65% of Daylight Hours) in June in Montana (Helena) 12 Hours of Bright Sunshine per day (77% of Daylight Hours) in July in Montana (Helena) 10 Hours of Bright Sunshine per day (73% of Daylight Hours) in August in Montana (Helena) 8 Hours of Bright Sunshine per day (66% of Daylight Hours) in September in Montana (Helena) 7 Hours of Bright Sunshine per day (60% of Daylight Hours) in October in Montana (Helena) 4 Hours of Bright Sunshine per day (42% of Daylight Hours) in November in Montana (Helena) 3 Hours of Bright Sunshine per day (37% of Daylight Hours) in December in Montana (Helena)
Hours of Daylight (Daily) 9 Hours of Daylight in January in Montana (Helena) 10 Hours of Daylight in February in Montana (Helena) 12 Hours of Daylight in March in Montana (Helena) 14 Hours of Daylight in April in Montana (Helena) 15 Hours of Daylight in May in Montana (Helena) 16 Hours of Daylight in June in Montana (Helena) 15 Hours of Daylight in July in Montana (Helena) 14 Hours of Daylight in August in Montana (Helena) 13 Hours of Daylight in September in Montana (Helena) 11 Hours of Daylight in October in Montana (Helena) 9 Hours of Daylight in November in Montana (Helena) 9 Hours of Daylight in December in Montana (Helena)
Heat and Humidity Discomfort No Heat & Humidity in January in Montana (Helena) No Heat & Humidity in February in Montana (Helena) No Heat & Humidity in March in Montana (Helena) No Heat & Humidity in April in Montana (Helena) No Heat & Humidity in May in Montana (Helena) No Heat & Humidity in June in Montana (Helena) Low Heat & Humidity in July in Montana (Helena) Low Heat & Humidity in August in Montana (Helena) No Heat & Humidity in September in Montana (Helena) No Heat & Humidity in October in Montana (Helena) No Heat & Humidity in November in Montana (Helena) No Heat & Humidity in December in Montana (Helena)
Days with some Rainfall 9 Days with some Rainfall in January in Montana (Helena) 7 Days with some Rainfall in February in Montana (Helena) 10 Days with some Rainfall in March in Montana (Helena) 9 Days with some Rainfall in April in Montana (Helena) 11 Days with some Rainfall in May in Montana (Helena) 10 Days with some Rainfall in June in Montana (Helena) 7 Days with some Rainfall in July in Montana (Helena) 8 Days with some Rainfall in August in Montana (Helena) 7 Days with some Rainfall in September in Montana (Helena) 6 Days with some Rainfall in October in Montana (Helena) 8 Days with some Rainfall in November in Montana (Helena) 9 Days with some Rainfall in December in Montana (Helena)
Monthly Rainfall (mm) 15 mm (0.6 inches) Monthly Rainfall in January in Montana (Helena) 10 mm (0.4 inches) Monthly Rainfall in February in Montana (Helena) 16 mm (0.6 inches) Monthly Rainfall in March in Montana (Helena) 24 mm (0.9 inches) Monthly Rainfall in April in Montana (Helena) 48 mm (1.9 inches) Monthly Rainfall in May in Montana (Helena) 50 mm (2.0 inches) Monthly Rainfall in June in Montana (Helena) 32 mm (1.3 inches) Monthly Rainfall in July in Montana (Helena) 31 mm (1.2 inches) Monthly Rainfall in August in Montana (Helena) 28 mm (1.1 inches) Monthly Rainfall in September in Montana (Helena) 16 mm (0.6 inches) Monthly Rainfall in October in Montana (Helena) 14 mm (0.6 inches) Monthly Rainfall in November in Montana (Helena) 14 mm (0.6 inches) Monthly Rainfall in December in Montana (Helena)
UV Index (Maximum) UV (Maximum) Index 1 (Low) in January in Montana (Helena) UV (Maximum) Index 2 (Low) in February in Montana (Helena) UV (Maximum) Index 3 (Moderate) in March in Montana (Helena) UV (Maximum) Index 5 (Moderate) in April in Montana (Helena) UV (Maximum) Index 7 (High) in May in Montana (Helena) UV (Maximum) Index 8 (Very High) in June in Montana (Helena) UV (Maximum) Index 9 (Very High) in July in Montana (Helena) UV (Maximum) Index 8 (Very High) in August in Montana (Helena) UV (Maximum) Index 5 (Moderate) in September in Montana (Helena) UV (Maximum) Index 3 (Moderate) in October in Montana (Helena) UV (Maximum) Index 1 (Low) in November in Montana (Helena) UV (Maximum) Index 1 (Low) in December in Montana (Helena)
J F M A M J J A S O N D
 		    
 
Montana Holidays Montana Flights Montana Hotels Montana Hire Cars Montana Villas Montana Transfers
Montana Holidays Montana Flights Montana Hotels Montana Hire Cars Montana Villas Montana Transfers

The Montana Climate Guide shown above is based on the Helena Climate Guide. Please note that the weather may vary across this region. Below is a list of all the destinations in Montana with available Climate Guides.

  Billings   Bozeman   Butte   East Glacier Park   Glasgow   Great Falls   Hamilton   Havre   Helena   Kalispell   Lewistown   Miles City   Missoula   West Yellowstone   Whitefish  

Montana Weather by Month
Check the weather for a particular month in Montana by selecting a month from the list below. Alternatively check which month usually has the Best Weather in Montana. If you are not sure where to go, why not try our Holiday Planner.
  · January
  · February
  · March
   · April
  · May
  · June
   · July
  · August
  · September
   · October
  · November
  · December
Popular Climate Guide Regions

1.

Cyprus

2.

Tenerife, Canary Islands, Spain

3.

Tunisia

4.

Sharm el-Sheikh, Egypt

5.

Mauritius

6.

Crete, Greece

7.

Dalaman and Marmaris Coast, Turkey

8.

Cape Verde

9.

Rhodes, Greece

10.

Antalya Coast, Turkey
Popular Climate Guide Destinations

1.

Santa Cruz de Tenerife, Tenerife, Canary Islands, Spain

2.

Nicosia, Cyprus

3.

Sharm el Sheikh Airport, Sharm el-Sheikh, Egypt

4.

Tunis, Tunisia

5.

Port Louis, Mauritius

6.

Khania, Crete, Greece

7.

Dalaman, Dalaman and Marmaris Coast, Turkey

8.

Praia, Santiago, Cape Verde

9.

Rhodes Town, Rhodes, Greece

10.

Antalya, Antalya Coast, Turkey
 		    
 
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