Lewisville Weather in August

Lewisville in August sees extremely high daytime temperatures of 36°C (97°F) and nighttime lows of 25°C (77°F). With just 46 mm (1.8 in) of rainfall on average, it's the driest month of the year.

Rainfall in Lewisville in August

Expect the least amount of rain this month, providing an excellent opportunity for outdoor activities. Enjoy the clearest skies and driest conditions of the year. You can expect rain on around 6 days based on historical patterns, with 46 mm (1.8 in) average for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.

Temperature in Lewisville in August

August in Lewisville brings extremely high temperatures, with highs of 36°C (97°F) and nights around 25°C (77°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference. The average temperatures are warm, but some days will be hotter. Make sure to dress in light, breathable clothing and drink plenty of water.

Sunshine in Lewisville in August

With approximately 305 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Lewisville. Our weather planner can help you explore destinations with more pleasant weather conditions.