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Tucson Monthly and Daily Normals and Records

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Monthly and Daily Normals (1991-2020) plus
Daily Extremes (1895-2024) for
TUCSON, ARIZONA
 
Click on a month for Daily Normals and Extremes
Extremes updated through June 2024
 
Month Temperature Normals (deg F) Rainfall
Normals		 Daily
normals		 Daily
extremes

Expanded records (PDF)
High Low Average
January 66.5° 40.8° 53.6° 0.84" X X January Winter
February 69.2° 43.2° 56.2° 0.84" X X February
March 75.8° 48.0° 61.9° 0.56" X X March Spring
April 82.9° 53.3° 68.1° 0.24" X X April
May 91.8° 61.8° 76.8° 0.20" X X May
June 101.2° 71.1° 86.1° 0.23" X X June Summer
July 100.2° 76.3° 88.2° 2.21" X X July
August 98.6° 75.2° 86.9° 1.98" X X August
September 95.1° 70.4° 82.8° 1.32" X X September Fall
October 86.3° 59.0° 72.6° 0.67" X X October
November 75.1° 47.9° 61.5° 0.56" X X November ***** YEAR *****
December 65.5° 40.5° 53.0° 0.96" X X December Monthly
ANNUAL 84.0° 57.3° 70.6° 10.61" Triple Digit Temperatures for Tucson
         
All-time record HIGH temperatures for
Tucson Arizona (1895-2024)
Hottest 13 occurrences
Rank
Temperature
Date/Year
1)
117°
June 26, 1990
2T)
116°
 
June 20, 2017
June 29, 1994
4T)
115°
 June 15, 2021
June 21, 2017
June 19, 2017
June 19, 2016
June 28, 1994
June 25, 1994
10T)
114°
 June 16, 2021
July 28, 1995
July 4, 1989
June 22, 1988
All-time record LOW temperatures for
Tucson Arizona (1895-2024)
Coldest 15 occurrences
Rank
Temperature
Date/Year
1)
6°
Jan. 7, 1913
2)
10°
Dec. 14, 1901
3)
11°
Dec. 31, 1905
4)
13°
Jan. 8, 1913
5)
14°
Dec. 30, 1895
6T)
15°
Jan. 22, 1937
Dec. 11, 1916
Jan. 6, 1910
Jan. 22, 1904
10T)
16°
Dec. 24, 1974
Jan. 4, 1949
Jan. 4, 1911
Dec. 22, 1897
Dec. 31, 1895
Dec. 26, 1895
All-time record WARMEST LOW temperatures for
Tucson Arizona (1895-2024)
Warmest 13 occurrences
Rank
Temperature
Date/Year
1T)
89°
 July 13, 2020
July 22, 2006
3T)
88°
 
July 12, 2022
July 11, 1934
5T)
87°
 July 13, 2023
July 22, 2022
July 6, 2018
June 25, 2017
June 20, 2017
July 9, 2010
July 6, 2007
July 5, 2007
July 6, 1925
 
Average number of days Tucson hits 100 degrees or greater (by month and annually)
Normal periods April May June July Aug. Sept. Oct. Annual
1991-2020 <1 4 21 19 15 8 1 68
1981-2010 <1 4 19 18 14 7 <1 62
1971-2000 <1 3 17 17 12 5 <1 55
1961-1990 <1 2 15 15 9 3 <1 44
1951-1980 0 1 14 14 7 5 <1 40
 
Average number of days Tucson hits 32 degrees or colder (by month and annually)
Normal periods November December January February March Annual
1991-2020 1 5 4 2 <1 12
1981-2010 1 5 4 2 1 13
1971-2000 1 5 4 2 <1 12
1961-1990 1 4 6 3 1 15
1951-1980 1 5 6 4 1 17
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