AZ · climate averages
Tucson Weather by Month
These are climate averages, not a forecast. Station Tucson Intl AP (USW00023160), 8.3 miles from downtown, elevation 2549 ft.
Tucson's warmest month is June (avg high 101.2°F), coldest is December (avg low 40.5°F) and wettest is July (2.21 in), per NOAA 1991–2020 climate normals.
- Warmest high June 101.2°F
- Coldest low December 40.5°F
- Wettest month July 2.21 in
- Year of rain 12 months 10.61 in
Monthly Averages
Tucson's 12 monthly precipitation normals add up to 10.61 inches a year.
May is the driest month, with a precipitation normal of 0.20 inches.
Tucson averages 47.4 days a year with at least 0.01 inch of precipitation.
| Month | Avg high | Avg low | Precipitation | Days ≥ 0.01 in | Snow |
|---|---|---|---|---|---|
| January | 66.5°F | 40.8°F | 0.84 in | 4.2 | 0.0 in |
| February | 69.2°F | 43.2°F | 0.84 in | 4.0 | 0.1 in |
| March | 75.8°F | 48.0°F | 0.56 in | 3.1 | 0.0 in |
| April | 82.9°F | 53.3°F | 0.24 in | 1.6 | 0.0 in |
| May | 91.8°F | 61.8°F | 0.20 in | 1.4 | 0.0 in |
| June | 101.2°F | 71.1°F | 0.23 in | 1.6 | 0.0 in |
| July | 100.2°F | 76.3°F | 2.21 in | 8.8 | 0.0 in |
| August | 98.6°F | 75.2°F | 1.98 in | 8.5 | 0.0 in |
| September | 95.1°F | 70.4°F | 1.32 in | 4.4 | 0.0 in |
| October | 86.3°F | 59.0°F | 0.67 in | 2.9 | 0.0 in |
| November | 75.1°F | 47.9°F | 0.56 in | 2.5 | 0.0 in |
| December | 65.5°F | 40.5°F | 0.96 in | 4.4 | 0.0 in |
Warmest, Coldest and Wettest Months
The warmest month is June, with an average high of 101.2°F.
The coldest month is December, with an average low of 40.5°F.
The wettest month is July, at 2.21 inches of precipitation over about 8.8 days.
In Tucson, five months (May, June, July, August and September) have an average high of at least 90°F.
The range from the lowest average low to the highest average high in Tucson is 60.7°F.
In June, the average high in Tucson is 30.1°F above the average low.
Best Months to Visit Tucson for Weather
January, February, March, April and November meet the weather rule on this page: an average high from 65 to 85°F and precipitation below 0.88 inches.
The rule keeps a month when the average high is from 65 to 85°F and precipitation is below 0.88 inches, the mean of the twelve monthly precipitation normals.
- January · 66.5°F
- February · 69.2°F
- March · 75.8°F
- April · 82.9°F
- November · 75.1°F
Nearby cities
Phoenix is the closest other city on this site, 123.1 miles away. Its July average high is 106.5°F, 6.3°F warmer than Tucson.
| City | Miles | Avg high | Avg low | Precipitation |
|---|---|---|---|---|
| Phoenix | 123.1 | 106.5°F | 84.5°F | 0.91 in |
About This Data
Source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991–2020. Station: TUCSON INTL AP (USW00023160), 8.3 mi from downtown, elevation 2549 ft. Climate normals are 30-year averages, not forecasts. MonthSky is not affiliated with NOAA.
Palecki, Michael; Durre, Imke; Applequist, Scott; Arguez, Anthony; Lawrimore, Jay (2021). U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/wck8-er13. Accessed 2026-10-21.
U.S. Government work.
NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
These pages are built automatically from public NOAA data.
U.S. Monthly Climate Normals (1991-2020) dataset
NCEI dataset landing page for the monthly normals
FAQ
What is the hottest month in Tucson?
June is the warmest, with an average high of 101.2°F.
What is the wettest month in Tucson?
July is the wettest, at 2.21 inches over about 8.8 days.
How many rainy days does Tucson get a year?
The monthly counts of days with at least 0.01 inch of precipitation add up to 47.4 days.
When is the best time to visit Tucson for weather?
January, February, March, April and November meet the rule used on this page: average high from 65 to 85°F and precipitation below the monthly mean of 0.88 inches.