Climate for Helena, Montana

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Average Temperatures for Helena

Average Temperature for Helena, Montana
MonthLowHigh
Jan9.9°F30.5°F
Feb15.6°F37.3°F
Mar23.5°F46.8°F
Apr31.2°F56.9°F
May39.8°F65.9°F
Jun47.5°F75.0°F
Jul52.3°F83.4°F
Aug50.8°F82.5°F
Sept41.2°F71.0°F
Oct31.2°F58.4°F
Nov20.3°F41.5°F
Dec11.3°F31.5°F

Helena's coldest month is January when the average temperature overnight is 9.9°F. In July, the warmest month, the average day time temperature rises to 83.4°F.

Average Rainfall for Helena

Average Rainfall for Helena, Montana
MonthPrecipitation
Jan0.52in.
Feb0.38in.
Mar0.63in.
Apr0.91in.
May1.78in.
Jun1.82in.
Jul1.34in.
Aug1.29in.
Sept1.05in.
Oct0.66in.
Nov0.48in.
Dec0.46in.

The driest month in Helena is February with 0.38 inches of precipitation, and with 1.82 inches June is the wettest month.

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