Houston (TX) Climate by Month
Houston has a warm maritime climate with a lot of rainfall. The amount of rain is so high it could easily be compared to a tropical monsoon climate. In summer the rain combined with the heat can lead to a very high humidity.
April and October are the best months to visit Houston.
Average day and night temperature
In Houston, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very hot 35°C in August. In January, the coolest month of the year, temperatures drop to a moderate 17°C. At night, expect cooler temperatures, averaging 7°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Houston experiences significant rainfall throughout the year, averaging 1507 mm of precipitation annually. Houston can be quite wet during July, receiving approximately 191 mm of precipitation over 15 rainy days. In contrast February, experiences much drier conditions, with 67 mm of rainfall, spread across 9 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Houston can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 4.7 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is moderate throughout the year in Houston.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Houston ranges from 3°C in May to 4°C in February.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Houston 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:
Most rainfall (rainy season) is seen in May, July, September and October.
August has an average maximum temperature of 35°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 17°C.
July tops the wettest month list with 191 mm of rainfall.
February is the driest month with 67 mm of precipitation.
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.
