Sugar Land (TX) Weather & Climate: Best Time to Visit

Visitors to Sugar Land can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 35°C (95°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 18°C (64°F).

At night, temperatures range from around 24°C (75°F) in August to 6°C (43°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Sugar Land is known for its substantial rainfall, with annual precipitation reaching 1339 mm (53 in). Sugar Land can be quite wet during July, receiving approximately 156 mm (6.1 in) of precipitation over 14 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 61 mm (2.4 in) of precipitation spread across 9 rainy days. For more details, please visit our Sugar Land Precipitation page.

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

The average number of days each month with precipitation

Sugar Land 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.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Sugar Land.

The city experiences its highest humidity in September, reaching 77%. In March, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year