Phoenix weather

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Usually in March
- 24
- 8
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Weather by month
Now Today
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5-day forecast

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The weather guide for Phoenix, 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.

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Which is the hottest month in Phoenix?

The hottest time of year in Phoenix is normally July. Expect maximum daytime temperatures to reach 41°C with extreme heat and humidity.

Does it ever rain in Phoenix?

It never rains much in Phoenix but August usually has the most rain with an average of 32mm. There are normally 5 days in August with some rain.

When is it sunniest in Phoenix?

The sunniest time of year in Phoenix is normally June with bright sunshine on average for 95% of daylight hours; that's 14 hours of sunshine per day.

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

Discover more about Arizona

Compare Phoenix weather with the USA

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

Maximum daytime temperature (°C)

Phoenix, Arizona, USA

USA (Washington)

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

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Where's hot in Arizona right now?

Below are the temperatures expected today at popular destinations in Arizona. Select a destination to compare today's forecast with average weather conditions.