Lewistown weather averages

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

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Check Lewistown weather averages before you book your next holiday in 2019/2020. Today's maximum temperature in Lewistown is expected to be 22°C, while the average maximum temperature in June is 22°C.

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More about Lewistown

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The weather for Lewistown, 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)

Lewistown weather averages: best month

Lewistown Best month Averages
Warmest July & August 27°C
Sunniest July 12 hours per day
Least rain October 5 days

Lewistown climate guide

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Lewistown weather averages by month

Check Lewistown 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 Lewistown weather with the USA

Below the Lewistown weather chart shows maximum daytime temperature for Lewistown, 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)

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

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