Helena
Montana, USA
Long term weather forecast
Long term weather forecast

June weather forecast and Climate
Helena, MT

  • Average high temperature in June: 75.7°F

Warmest month (with highest average high temperature) is July (85.7°F).
Month with lowest average high temperature is December (31.7°F).

  • Average low temperature in June: 48.5°F

Month with highest average low temperature is July (54.3°F).
Coldest month (with lowest average low temperature) is December (11.9°F).

  • Average humidity in June: 52.1%

Month with highest relative humidity is December (68.1%).
Month with lowest relative humidity is July (46.4%).

  • Average rainfall in June: 2.1"

Wettest month (with highest rainfall) is June (2.1").
Driest month (with lowest rainfall) is February (0.3").

  • Average rainfall days in June: 11.2 days

Month with highest number of rainy days is June (11.2 days).
Month with lowest number of rainy days is February (5.9 days).

  • Average snowfall in June: 0"

Month with highest snowfall is December (7.3").
Months with lowest snowfall are June and July (0").

  • Average snowfall days in June: 0.1 days

Month with highest number of snowfall days is December (6 days).
Month with lowest number of snowfall days is July (0 days).

  • Average daylight in June: 16h

Month with longest days is June (Average daylight: 16h).
Months with shortest days are January, November and December (Average daylight: 9h).

  • Average sunshine in June: 10.3h

Month with most sunshine is July (Average sunshine: 11.9h).
Month with least sunshine is December (Average sunshine: 3.2h).

  • Average UV index in June: 8

Month with highest UV index is July (UV index 9).
Months with lowest UV index are January, November and December (UV index 1).

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