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

Average temperatures, rainfall, sunshine and the best time to visit Kemah.

Climate overview of Kemah

The climate in Kemah, Texas, United States of America, is marked by large temperature swings across the seasons, ranging from 34°C (93°F) in August to 17°C (63°F) in January.

The city has a wet climate, receiving around 1318 mm (52 in) of rainfall per year. Despite the high annual total, it has very warm summers and mild winters. September is the wettest month. Sunshine peaks in July, when the city sees around 10.4 hours of sunshine per day.

Kemah Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Kemah - and find the best time to visit.

Monthly Temperature in Kemah

In Kemah, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 34°C (93°F) in August to a moderate 17°C (63°F) in January.

Nighttime temperatures range from 25°C (77°F) in August to 7°C (45°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Kemah

Kemah experiences significant rainfall throughout the year, averaging 1318 mm (52 in) of precipitation annually. The seasons in Kemah bring significant changes in precipitation. The wettest month, September, receives high rainfall, with an average of 136 mm (5.4 in) of precipitation. This rainfall is distributed across 12 rainy days.

In contrast, the driest month, February, experiences much less rainfall, totaling 58 mm (2.3 in) over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Kemah Precipitation page.

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

Sunshine Hours in Kemah

In Kemah, summer days are longer and more sunny, with daily sunshine hours peaking at 10.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 4.9 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Galveston, the United States of America (34 KM, 21 Miles).

Daily hours of sunshine

Data from: Galveston, the United States of America (34 KM, 21 Miles).

Best Time to Visit Kemah

Conditions in Kemah are generally most comfortable in March. They are typically least comfortable in July and August.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: March
  • Warmest weather: June, July and August
  • Most sunshine: June and July
  • Seasonal pattern: Very warm summers and mild winters

Frequently asked questions about the climate in Kemah

What is the best time to visit Kemah?

March typically offers the most optimal weather in Kemah. In contrast, July and August tend to have less optimal conditions. Kemah has very warm summers and mild winters.

What temperatures can I expect in Kemah?

Daytime highs range from 17°C (63°F) in January to 34°C (93°F) in August. Nighttime lows range from 7°C (45°F) to 25°C (77°F). Temperatures vary considerably through the year.

How much rain does Kemah get?

Annual rainfall is around 1318 mm (52 in). September is the wettest month with 136 mm (5.4 in), while February is the driest with 58 mm (2.3 in).

How sunny is Kemah?

Kemah receives around 2,716 hours of sunshine per year. July is the sunniest month with 311 hours, while January is the cloudiest with just 147 hours. Overall, Kemah enjoys abundant sunshine.

Kemah 3-Day Forecast

Kemah on the map

Kemah is highlighted - select any city to see its climate.

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