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Rowlett, USA Weather Averages

August is the hottest month in Rowlett with an average temperature of 30°C (85°F) and the coldest is January at 10°C (48°F) with the most daily sunshine hours at 12 in June. The wettest month is May with an average of 117.2mm of rain..

Average Temperature Rowlett

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 Rowlett

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 Rowlett

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 Rowlett

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

Rowlett : Next 24-Hour Weather

Today - 30th August 2026

Sunrise 06:59

Sunrise

Sunset 19:54

Sunset
13:00
Clear
38°C (99°F)
14:00
Clear
39°C (101°F)
15:00
Clear
39°C (102°F)
16:00
Clear
40°C (103°F)
17:00
Clear
40°C (103°F)
18:00
Clear
40°C (102°F)
19:00
Clear
39°C (101°F)
20:00
Partly cloudy
38°C (99°F)
21:00
Overcast
37°C (98°F)
22:00
Clear
36°C (96°F)
23:00
Clear
35°C (94°F)

Tomorrow - 31st August 2026

Sunrise 06:59

Sunrise

Sunset 19:54

Sunset
0:00
Clear
34°C (93°F)
1:00
Clear
33°C (91°F)
2:00
Clear
32°C (88°F)
3:00
Clear
31°C (87°F)
4:00
Clear
31°C (86°F)
5:00
Cloudy
30°C (85°F)
6:00
Overcast
30°C (85°F)
7:00
Partly cloudy
30°C (85°F)
8:00
Overcast
30°C (85°F)
9:00
Overcast
31°C (86°F)
10:00
Overcast
30°C (86°F)
11:00
Cloudy
31°C (87°F)
12:00
Partly cloudy
34°C (92°F)
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