Allen (TX) Climate by Month
The temperature in Allen can vary quite a bit throughout the year.
Temperatures can be very hot during the warmest months,
and mild during the cooler months.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Visitors to Allen can expect significant temperature changes throughout the year. Average daytime temperatures range from a very hot 36°C in August, the warmest time of the year, to a moderate 13°C during cooler months like January. At night, temperatures typically average around 1°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Allen is known for its substantial rain/snowfall, with annual precipitation reaching 1060 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, May receives high rainfall, averaging 150 mm of precipitation, recorded across 11 rainy days. In contrast, the drier season, February brings less rainfall, with 52 mm over 7 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Allen. While July receives considerable daily sunshine with up to 11.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.8 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is low throughout the year in Allen.
Relative humidity over the year
The best time of year to visit Allen in the United States of America
During the months of March, April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 36°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 13°C.
May tops the wettest month list with 150 mm of rainfall.
February is the driest month with 52 mm of precipitation.
July is the sunniest month with an average of 333 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.