Grand Canyon weather

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The weather guide for Grand Canyon, 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 Grand Canyon?

The hottest time of year in Grand Canyon is normally July. Expect maximum daytime temperatures to reach 33°C with low heat and humidity.

Which month has the most rain in Grand Canyon?

In terms of rainfall, August is usually the wettest month in Grand Canyon with 39mm on average. There are normally 7 days in August with some rain.

When is it sunniest in Grand Canyon?

The sunniest time of year in Grand Canyon is normally June with bright sunshine on average for 88% of daylight hours; that's 13 hours of sunshine per day.

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

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Compare Grand Canyon weather with the USA

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

Maximum daytime temperature (°C)

Grand Canyon, 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.

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