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Green Valley (AZ) Weather and Climate: A Comprehensive Guide

The climate in Green Valley is marked by big temperature swings throughout the year. Temperatures range from very hot during the warmest months to pleasant in the cooler months. The city tends toward drier weather patterns. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

In Green Valley, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very hot 38°C in June to a pleasant 18°C in the coolest month, January.

Nights are cooler, with lows often dropping to around 2°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Green Valley's climate is marked by below-average rain/snowfall, accumulating 282 mm of precipitation yearly. The climate in Green Valley shows significant variation throughout the year. Expect moderate rainfall in July, with an average of 88 mm of precipitation over 16 rainy days.

In contrast, May offers drier and sunnier days, with around 2.7 mm of rainfall over a single rainy day. For more details, please visit our Green Valley Precipitation page.

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

Sunshine over the year

Green Valley offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between May (13.4 hours daily) and December (8.2 hours daily) provides a bit of variety for visitors and residents. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Tucson, the United States of America (29 KM, 18 Miles).

Daily hours of sunshine

Data from: Tucson, the United States of America (29 KM, 18 Miles).

Forecast for Green Valley (AZ)

Fri   Dec 27
24°C | 3°C
SW 5 m/s
almost clear and no rain

almost clear and no rain

Sat   Dec 28
21°C | 6°C
NE 3 m/s
partly cloudy and no rain

partly cloudy and no rain

Sun   Dec 29
26°C | 7°C
SW 3 m/s
almost clear and no rain

almost clear and no rain

The best time of year to visit Green Valley in the United States of America

During the months of February, March 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 Green Valley?
    June has an average maximum temperature of 38°C and is the warmest month of the year.
  • Which is the coldest month in Green Valley?
    The coldest month is December with an average maximum temperature of 18°C.
  • Which is the wettest month in Green Valley?
    July tops the wettest month list with 88 mm of rainfall.
  • Which is the driest month in Green Valley?
    May is the driest month with 3 mm of precipitation.
  • Which is the sunniest month in Green Valley?
    May is the sunniest month with an average of 401 hours of sunshine.

  • 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.