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Sierra Vista (AZ) Weather and Climate: A Comprehensive Guide

The climate in Sierra Vista is marked by big temperature swings throughout the year. Temperatures range from very warm during the warmest months to mild in the cooler months. It's weather is marked by below-average rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

In Sierra Vista, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 35°C in June to a moderate 16°C in the coolest month, January.

Nights are cooler, with lows often dropping to around 1°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Sierra Vista's climate is marked by below-average rain/snowfall, accumulating 361 mm of precipitation yearly. The climate in Sierra Vista shows significant variation throughout the year. Expect high rainfall in July, with an average of 103 mm of precipitation over 19 rainy days.

In contrast, May offers drier and sunnier days, with around 3 mm of rainfall over a single rainy day. For more details, please visit our Sierra Vista Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Sierra Vista (AZ)

Mon   Dec 23
23°C | 9°C
W 4 m/s
clear and no rain

clear and no rain

Tue   Dec 24
23°C | 7°C
W 3 m/s
clear and no rain

clear and no rain

Wed   Dec 25
18°C | 4°C
W 8 m/s
almost clear and no rain

almost clear and no rain

The best time of year to visit Sierra Vista in the United States of America

During the months of March, April and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Sierra Vista?
    June has an average maximum temperature of 35°C and is the warmest month of the year.
  • Which is the coldest month in Sierra Vista?
    The coldest month is January with an average maximum temperature of 16°C.
  • Which is the wettest month in Sierra Vista?
    July tops the wettest month list with 103 mm of rainfall.
  • Which is the driest month in Sierra Vista?
    May is the driest month with 3 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.