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Allen, USA Weather Averages

August is the hottest month in Allen with an average temperature of 30°C (85°F) and the coldest is January at 9°C (48°F) with the most daily sunshine hours at 12 in June. The wettest month is May with an average of 117.4mm of rain..

Average Temperature Allen

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 Allen

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 Allen

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 Allen

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

Allen : Next 24-Hour Weather

Today - 10th March 2026

Sunrise 07:44

Sunrise

Sunset 19:31

Sunset
2:00
Thundery outbreaks possible
23°C (72°F)
3:00
Thundery outbreaks possible
22°C (72°F)
4:00
Thundery outbreaks possible
22°C (71°F)
5:00
Thundery outbreaks possible
21°C (69°F)
6:00
Thundery outbreaks possible
21°C (68°F)
7:00
Overcast
20°C (67°F)
8:00
Overcast
20°C (67°F)
9:00
Overcast
20°C (67°F)
10:00
Overcast
20°C (68°F)
11:00
Overcast
21°C (69°F)
12:00
Thundery outbreaks possible
21°C (70°F)
13:00
Thundery outbreaks possible
22°C (71°F)
14:00
Thundery outbreaks possible
22°C (71°F)
15:00
Thundery outbreaks possible
22°C (71°F)
16:00
Moderate or heavy rain shower
22°C (72°F)
17:00
Moderate or heavy rain shower
23°C (72°F)
18:00
Moderate or heavy rain shower
23°C (73°F)
19:00
Thundery outbreaks possible
23°C (72°F)
20:00
Thundery outbreaks possible
23°C (72°F)
21:00
Thundery outbreaks possible
22°C (72°F)
22:00
Partly cloudy
22°C (71°F)
23:00
Patchy rain possible
22°C (70°F)

Tomorrow - 11th March 2026

Sunrise 07:44

Sunrise

Sunset 19:31

Sunset
0:00
Partly cloudy
21°C (70°F)
1:00
Overcast
21°C (69°F)