Donna (TX) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Donna.
Climate overview of Donna
The climate in Donna, Texas, United States of America, is marked by large temperature swings across the seasons, ranging from 37°C (99°F) in August to 21°C (70°F) in January.
The city receives around 672 mm (26 in) of rainfall per year. It experiences a distinct dry season from January to April, with very hot summers and pleasant winters. September is the wettest month and February the driest. Sunshine peaks in July, when the city sees around 10.9 hours of sunshine per day.
Donna Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Donna - and find the best time to visit.
Monthly Temperature in Donna
In Donna, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very hot 37°C (99°F) in August to a pleasant 21°C (70°F) in January.
Nighttime temperatures range from 25°C (77°F) in August to 9°C (48°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Donna
On average, Donna receives a reasonable amount of rainfall, with an annual precipitation of 672 mm (26 in). The seasons in Donna bring significant changes in precipitation. The wettest month, September, receives high rainfall, with an average of 131 mm (5.2 in) of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 23 mm (0.9 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Donna Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Donna
In Donna, summer days are longer and more sunny, with daily sunshine hours peaking at 10.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 4.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Donna by Month
The relative humidity is high throughout the year in Donna.
The city experiences its highest humidity in January, reaching 78%. In July, 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
Best Time to Visit Donna
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, November and December
- Warmest weather: June, July and August
- Most sunshine: July
- Wettest months: September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from January to April, with very hot summers and pleasant winters
Frequently asked questions about the climate in Donna
What is the best time to visit Donna?
January, February, March, November and December typically offer the most optimal weather in Donna. In contrast, June, July, August and September tend to have less optimal conditions. Donna has a distinct dry season from January to April, with very hot summers and pleasant winters.
What temperatures can I expect in Donna?
Daytime highs range from 21°C (70°F) in January to 37°C (99°F) in August. Nighttime lows range from 9°C (48°F) to 25°C (77°F). Temperatures vary considerably through the year.
How much rain does Donna get?
Annual rainfall is around 672 mm (26 in). September is the wettest month with 131 mm (5.2 in), while February is the driest with 23 mm (0.9 in).
How sunny is Donna?
Donna receives around 2,715 hours of sunshine per year. July is the sunniest month with 326 hours, while January is the cloudiest with just 133 hours. Overall, Donna enjoys abundant sunshine.
Donna 3-Day Forecast
Donna (TX) 3-Day Forecast
Donna on the map
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