Tucson Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Tucson, Arizona during each month of the year.

The average high and low temperatures are listed below by month and annually for Tucson, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 80, 90 or 100 °F each month in Tucson, scroll down farther. There are also monthly and yearly counts of nights with warm temperatures.

All the numbers are averages, based on climate data gathered from 1981 to 2010.

Average Tucson temperatures
High °F Low °F   High °C Low °C
65 42 January 18 5
68 44 February 20 7
74 48 March 23 9
82 55 April 28 13
91 64 May 33 18
99 72 June 37 22
99 76 July 37 24
97 75 August 36 24
94 71 September 35 21
84 59 October 29 15
73 48 November 23 9
64 41 December 18 5
83 58 Year 28 14

Days of Hot Weather in Tucson

Every day from May to October, Tucson gets to at least 70 degrees. Temperatures of 80 or hotter can be expected any month of the year except December.

One-hundred-degree weather normally occurs from May to September in Tucson, with about half the days in June and July getting that hot.

Days per month in Tucson of at least 80, 90 or 100 °F
  80 °F
27 °C
90 °F
32 °C
100 °F
38 °C
January 1 0 0
February 2 0 0
March 9 0 0
April 19 4 0
May 29 18 3
June 30 29 14
July 31 29 14
August 31 28 8
September 29 24 3
October 23 7 0
November 7 0 0
December 0 0 0
Year 209 139 43

Number of Warm Nights a Month

Most nights in Tucson, the temperature stays above 50°F. The thermometer rarely drops below 70 throughout summer.

While not common, Tucson does get frost. Six days each winter, on average, have freezing temperatures.

Average number of days monthly in Tucson that stay above 50, 60 or 70 °F
  50 °F
10 °C
60 °F
16 °C
70 °F
21 °C
January 3 0 0
February 5 0 0
March 13 1 0
April 23 6 0
May 31 23 4
June 30 30 19
July 31 31 28
August 31 31 27
September 30 29 17
October 28 15 1
November 11 1 0
December 3 0 0
Year 239 166 97
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Arizona Temperatures
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