Helena weather averages

Going to Helena? Find the best month to visit Helena based on the weather.

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Check Helena weather averages before you book your next holiday in 2019/2020. Today's maximum temperature in Helena is expected to be 14°C, while the average maximum temperature in June is 23°C.

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More about Helena

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The weather for Helena, Montana shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Helena weather averages: best month

Helena Best month Averages
Warmest July & August 28°C
Sunniest July 12 hours per day
Least rain October 6 days

Helena climate guide

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Helena weather averages by month

Check Helena holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Helena weather with the USA

Below the Helena weather chart shows maximum daytime temperature for Helena, Montana, USA and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Helena, Montana, USA
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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