Tucson weather

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Usually in September
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- 21
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Weather by month
Now Today
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5-day forecast

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The weather guide for Tucson, 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 Tucson?

The hottest time of year in Tucson is normally July. Expect maximum daytime temperatures to reach 37°C with very high heat and humidity.

Does it ever rain in Tucson?

It never rains much in Tucson but July usually has the most rain with an average of 57mm. There are normally 10 days in July with some rain.

When is it sunniest in Tucson?

The sunniest time of year in Tucson is normally May with bright sunshine on average for 93% of daylight hours; that's 13 hours of sunshine per day.

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