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Willis (TX) Weather and Climate: A Comprehensive Guide

Willis experiences great temperature shifts. The city's weather can transition from very hot days to mild weather. It also has a notably wet climate with much precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

The climate in Willis is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very hot 35°C in August, the warmest time of the year, to a moderate 16°C during cooler months like January.

At night, temperatures typically drop to an average of around 3°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Willis has a notably wet climate with abundant precipitation, recording 1248 mm of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, May receives high rainfall, averaging 159 mm of precipitation, recorded across 10 rainy days. In contrast, the drier season, February brings less rainfall, with 68 mm over 10 rainy days. For more details, please visit our Willis Precipitation page.

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 Willis. While July receives considerable daily sunshine with up to 9.8 hours, January marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Houston, the United States of America (74 KM, 46 Miles).

Daily hours of sunshine

Data from: Houston, the United States of America (74 KM, 46 Miles).

Forecast for Willis (TX)

Fri   Dec 27
22°C | 8°C
SW 3 m/s
almost clear and no rain

almost clear and no rain

Sat   Dec 28
24°C | 12°C
SW 6 m/s
11 mm
partly cloudy and thunder

partly cloudy and thunder

Sun   Dec 29
21°C | 9°C
NW 2 m/s
clear and no rain

clear and no rain

The best time of year to visit Willis in the United States of America

During the months of March and November 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 months have the greatest rainfall in Willis?
    Most rainfall (rainy season) is seen in May and October.
  • Which is the warmest month in Willis?
    August has an average maximum temperature of 35°C and is the warmest month of the year.
  • Which is the coldest month in Willis?
    The coldest month is January with an average maximum temperature of 16°C.
  • Which is the wettest month in Willis?
    May tops the wettest month list with 159 mm of rainfall.
  • Which is the driest month in Willis?
    February is the driest month with 68 mm of precipitation.
  • Which is the sunniest month in Willis?
    July is the sunniest month with an average of 295 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.