Decatur (TX) Weather & Climate: Best Time to Visit

The climate in Decatur is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very hot 35°C (95°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 13°C (55°F).

At night, temperatures range from around 23°C (73°F) in August to 0°C (32°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Decatur has a notably wet climate with abundant precipitation, recording 1003 mm (39 in) of rain/snowfall per year. Decatur can be quite wet during May, receiving approximately 137 mm (5.4 in) of precipitation over 10 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 47 mm (1.9 in) of precipitation spread across 6 rainy days. For more details, please visit our Decatur Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Decatur can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.4 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 5.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine