Flagstaff weather

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The weather guide for Flagstaff, Arizona 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.

Which is the hottest month in Flagstaff?

The hottest time of year in Flagstaff is normally July. Expect maximum daytime temperatures to reach 28°C with low heat and humidity.

Which month has the most rain in Flagstaff?

In terms of rainfall, August is usually the wettest month in Flagstaff with 73mm on average. There are normally 9 days in August with some rain.

When is it sunniest in Flagstaff?

The sunniest time of year in Flagstaff is normally June with bright sunshine on average for 85% of daylight hours; that's 12 hours of sunshine per day.

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

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Compare Flagstaff weather with the USA

Below the Flagstaff weather chart shows average maximum daytime temperature for Flagstaff, Arizona, USA and the USA (Washington).

Maximum daytime temperature (°C)

Flagstaff, Arizona, USA
USA (Washington)
Jan
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Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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