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Tucson (AZ) Climate by Month

Tucson experiences great temperature shifts. The city's weather can transition from very hot days to pleasant weather. It typically sees modest rainfall throughout the year. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Tucson is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a very hot 39°C in June to a pleasant 18°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 4°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

With annual rainfall averaging 279 mm, Tucson maintains relatively low precipitation levels throughout the seasons. The climate in Tucson shows significant variation throughout the year. Expect moderate rainfall in July, with an average of 73 mm of precipitation over 12 rainy days. In contrast, May offers drier and sunnier days, with around 2.1 mm of rainfall over a single rainy day.

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

Sunshine over the year

Tucson 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.

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit Tucson 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 Tucson?
    June has an average maximum temperature of 39°C and is the warmest month of the year.
  • Which is the coldest month in Tucson?
    The coldest month is January with an average maximum temperature of 18°C.
  • Which is the wettest month in Tucson?
    July tops the wettest month list with 73 mm of rainfall.
  • Which is the driest month in Tucson?
    May is the driest month with 2 mm of precipitation.
  • Which is the sunniest month in Tucson?
    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.

    Forecast for Tucson (AZ)

    Thu   Nov 21
    28°C | 5°C
    SE 14 km/h
    clear and no rain

    clear and no rain

    Fri   Nov 22
    29°C | 10°C
    SE 14 km/h
    clear and no rain

    clear and no rain

    Sat   Nov 23
    29°C | 9°C
    NW 11 km/h
    almost clear and no rain

    almost clear and no rain