Sierra Vista weather

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Usually in August
- 32
- 18
- 10
Weather by month
Now Today
- 35
- 6
5-day forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The weather guide for Sierra Vista, 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 Sierra Vista?

The hottest time of year in Sierra Vista is normally July. Expect maximum daytime temperatures to reach 33°C with high heat and humidity.

Which month has the most rain in Sierra Vista?

In terms of rainfall, July is usually the wettest month in Sierra Vista with 97mm on average. There are normally 12 days in July with some rain.

When is it sunniest in Sierra Vista?

The sunniest time of year in Sierra Vista is normally June with bright sunshine on average for 87% of daylight hours; that's 12 hours of sunshine per day.

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

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Compare Sierra Vista weather with the USA

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

Maximum daytime temperature (°C)

Sierra Vista, Arizona, USA

USA (Washington)

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

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Destination

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.