ClimateForecastNovemberDecember >>

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

Data from: Dallas, the United States of America (37 KM, 23 Miles).

Daily hours of sunshine

Data from: Dallas, the United States of America (37 KM, 23 Miles).

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:
  • Which is the warmest month in Allen?
    August has an average maximum temperature of 36°C and is the warmest month of the year.
  • Which is the coldest month in Allen?
    The coldest month is January with an average maximum temperature of 13°C.
  • Which is the wettest month in Allen?
    May tops the wettest month list with 150 mm of rainfall.
  • Which is the driest month in Allen?
    February is the driest month with 52 mm of precipitation.
  • Which is the sunniest month in Allen?
    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.

    Forecast for Allen (TX)

    Sat   Nov 23
    22°C | 4°C
    S 22 km/h
    almost clear and no rain

    almost clear and no rain

    Sun   Nov 24
    25°C | 13°C
    S 29 km/h
    almost clear and no rain

    almost clear and no rain

    Mon   Nov 25
    19°C | 7°C
    N 29 km/h
    partly cloudy and no rain

    partly cloudy and no rain