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

In Grapevine, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very hot 36°C (97°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 14°C (57°F).

At night, temperatures range from around 25°C (77°F) in August to 1°C (34°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Grapevine receives a reasonable amount of rain/snowfall, with an annual precipitation of 975 mm (38 in). Grapevine can be quite wet during May, receiving approximately 135 mm (5.3 in) of precipitation over 11 rainy days.

In contrast, during the driest month (July), you will experience much drier conditions, with 49 mm (1.9 in) of precipitation spread across 6 rainy days. For more details, please visit our Grapevine Precipitation page.

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

The average number of days each month with precipitation

Grapevine can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.8 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 Grapevine.

The city experiences its highest humidity in May, reaching 70%. In July, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year