Historical Weather Records & Monthly Climate for Allen, TX

All-Time High
112°F
All-Time Low
-4°F
Max Daily Snow
6.9"
Max Daily Rain
6.55"
Max Snow Depth
0

Monthly Climate Averages for Allen, TX

Based on 30 years of historical data (1994 - 2023)

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January55°38°2.78"0.5"
February58°41°3.11"0.96"
March66°48°4.31"0.28"
April74°56°4.47"0
May81°65°5.87"0
June89°73°3.83"0
July93°77°2.05"0
August93°77°2.42"0
September87°70°3.05"0
October76°59°4.43"0
November65°49°3.48"0.07"
December57°40°3.51"0.44"

Historical Weather Extremes for Allen, TX

Based on 80+ years of archive data (1940 - 2024)

🔥
Longest Heatwave
10 Days
2003
Consecutive days ≥ 90°F
🧊
Deepest Freeze
16 Days
1941
Consecutive days ≤ 32°F
🏜️
Longest Drought
28 Days
1976
Consecutive days w/o rain
Wettest Month
14.83"
May 2015
Most rainfall in one month
Snowiest Month
14.06"
December 2010
Most snowfall in one month

More Historical Climate Data for Cities in


TX