Tucson (AZ) Weather and Climate: A Comprehensive Guide
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 maximum day and minimum night temperature
The climate in Tucson is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum 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 lows often dropping to around 4°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
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. For more details, please visit our Tucson Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
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. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is low throughout the year in Tucson.
The city experiences its highest humidity in December, reaching 50%. In June, the humidity drops to its lowest level at 21%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The average wind speed over the year ranges from 3 m/s to 3 m/s. It is lower in January, February, March, April, May, June, July, August, September, October, November and December and higher in January, February, March, April, May, June, July, August, September, October, November and December.
The mean monthly wind speed over the year (meters per second)
clear and no rain almost clear and no rain almost clear and no rainForecast for Tucson (AZ)
5 m/s
3 m/s
3 m/s
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:
June has an average maximum temperature of 39°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 18°C.
July tops the wettest month list with 73 mm of rainfall.
May is the driest month with 2 mm of precipitation.
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.
