Duncanville (TX) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Duncanville.
Climate overview of Duncanville
Duncanville, Texas, United States of America, sees big temperature differences between seasons, with August peaking at 36°C (97°F) and January dropping to 14°C (57°F).
Rain/snowfall is high, totalling around 1004 mm (40 in) per year. May is the wettest month and August the driest. The city also experiences very hot summers and mild winters. The most sunshine falls in July, with an average of 11.1 hours of daily sunshine.
Duncanville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Duncanville - and find the best time to visit.
Monthly Temperature in Duncanville
Visitors to Duncanville can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very hot 36°C (97°F) in August, the warmest time of the year, to a moderate 14°C (57°F) during cooler months like January.
At night, you can expect temperatures ranging from 24°C (75°F) in August to around 2°C (36°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Duncanville
Duncanville is known for its substantial rain/snowfall, with annual precipitation reaching 1004 mm (40 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, May it receives high rainfall, averaging 131 mm (5.2 in) of precipitation, recorded across 10 rainy days. In contrast, the driest month August brings less rainfall, with 46 mm (1.8 in) over 6 rainy days. For more details, please visit our Duncanville 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 Duncanville
Seasonal changes in sunshine hours are quite dramatic in Duncanville. While July receives considerable daily sunshine with up to 11.1 hours, December marks the darkest time of the year, where sunshine is scarce 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
Humidity in Duncanville by Month
The relative humidity is high throughout the year in Duncanville.
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
Best Time to Visit Duncanville
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April and November
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Very hot summers and mild winters
Frequently asked questions about the climate in Duncanville
What is the best time to visit Duncanville?
April and November typically offer the most optimal weather in Duncanville. In contrast, July and August tend to have less optimal conditions. Duncanville has very hot summers and mild winters.
What temperatures can I expect in Duncanville?
Daytime highs range from 14°C (57°F) in January to 36°C (97°F) in August. Nighttime lows range from 2°C (36°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Duncanville get?
Annual rainfall is around 1004 mm (40 in). May is the wettest month with 131 mm (5.2 in), while August is the driest with 46 mm (1.8 in).
How sunny is Duncanville?
Duncanville receives around 2,871 hours of sunshine per year. July is the sunniest month with 333 hours, while December is the cloudiest with just 175 hours. Overall, Duncanville enjoys abundant sunshine.
Duncanville 3-Day Forecast
Duncanville on the map
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