Katy (TX) Climate by Month
The temperature in Katy 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 experiences much rainfall throughout the year.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Visitors to Katy can expect significant temperature changes throughout the year. 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 5°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Katy is known for its substantial rainfall, with annual precipitation reaching 1213 mm. Katy can be quite wet during May, receiving approximately 135 mm of precipitation over 8 rainy days. In contrast February, experiences much drier conditions, with 51 mm of rainfall, spread across 7 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
Katy 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 Katy.
Relative humidity over the year
The best time of year to visit Katy 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:
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.
May tops the wettest month list with 135 mm of rainfall.
February is the driest month with 51 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.
