Seguin (TX) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Seguin.
Climate overview of Seguin
Temperatures in Seguin, Texas, United States of America, vary greatly throughout the year. August is the hottest month at 36°C (97°F), while January is the coldest at 17°C (63°F).
Seguin sees a moderate amount of rainfall, totalling around 785 mm (31 in) per year. It experiences very hot summers and mild winters, creating some seasonal variation. Sunshine peaks in July, when the city sees around 10.3 hours of sunshine per day.
Seguin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Seguin - and find the best time to visit.
Monthly Temperature in Seguin
The climate in Seguin is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very hot 36°C (97°F) in August, the warmest time of the year, to a moderate 17°C (63°F) during cooler months like January.
At night, you can expect temperatures ranging from 23°C (73°F) in August to around 4°C (39°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Seguin
Generally, Seguin receives mid-range precipitation levels, with 785 mm (31 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, May it receives high rainfall, averaging 109 mm (4.3 in) of precipitation, recorded across 9 rainy days. In contrast, the driest month February brings less rainfall, with 31 mm (1.2 in) over 7 rainy days. For more details, please visit our Seguin 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 Seguin
Seasonal changes in sunshine hours are quite dramatic in Seguin. While July receives considerable daily sunshine with up to 10.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.0 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 Seguin by Month
The relative humidity is high throughout the year in Seguin.
The city experiences its highest humidity in May, reaching 71%. In March, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Seguin
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: February, March, April, October and November
- Warmest weather: July and August
- Most sunshine: July and August
- Seasonal pattern: Very hot summers and mild winters
Frequently asked questions about the climate in Seguin
What is the best time to visit Seguin?
February, March, April, October and November typically offer the most optimal weather in Seguin. In contrast, June, July and August tend to have less optimal conditions. Seguin has very hot summers and mild winters.
What temperatures can I expect in Seguin?
Daytime highs range from 17°C (63°F) in January to 36°C (97°F) in August. Nighttime lows range from 4°C (39°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Seguin get?
Annual rainfall is around 785 mm (31 in). May is the wettest month with 109 mm (4.3 in), while February is the driest with 31 mm (1.2 in).
How sunny is Seguin?
Seguin receives around 2,640 hours of sunshine per year. July is the sunniest month with 310 hours, while December is the cloudiest with just 151 hours. Overall, Seguin enjoys abundant sunshine.
Seguin 3-Day Forecast
Seguin (TX) 3-Day Forecast
Seguin on the map
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