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Phoenix, USA Weather Averages

July is the hottest month in Phoenix with an average temperature of 33°C (91°F) and the coldest is January at 12°C (54°F) with the most daily sunshine hours at 14 in June. The wettest month is August with an average of 32mm of rain..

Average Temperature Phoenix

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Phoenix

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Phoenix

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Phoenix

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Phoenix : Next 24-Hour Weather

Tomorrow - 28th August 2026

Sunrise 05:59

Sunrise

Sunset 18:59

Sunset
21:00
Clear
40°C (103°F)
22:00
Overcast
39°C (101°F)
23:00
Partly cloudy
39°C (101°F)

Tomorrow - 29th August 2026

Sunrise 05:59

Sunrise

Sunset 18:59

Sunset
0:00
Clear
38°C (99°F)
1:00
Clear
36°C (97°F)
2:00
Clear
36°C (95°F)
3:00
Clear
35°C (94°F)
4:00
Clear
34°C (92°F)
5:00
Clear
34°C (92°F)
6:00
Clear
33°C (91°F)
7:00
Clear
34°C (92°F)
8:00
Clear
35°C (93°F)
9:00
Clear
36°C (95°F)
10:00
Clear
37°C (97°F)
11:00
Clear
38°C (99°F)
12:00
Clear
39°C (101°F)
13:00
Clear
40°C (104°F)
14:00
Clear
41°C (105°F)
15:00
Clear
42°C (106°F)
16:00
Clear
41°C (105°F)
17:00
Clear
41°C (105°F)
18:00
Clear
40°C (104°F)
19:00
Clear
40°C (103°F)
20:00
Patchy rain possible
39°C (101°F)
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