Climate almanac
Willis
Texas, United States · 30.42°, -95.48°
What is the climate like in Willis?
The best time to visit Willis is typically September – November, with trip comfort peaking in October (7.2/10). Willis is warmest in August, when daily highs average 94°F (35°C), and coolest in January, when lows fall to about 44°F (7°C). The wettest month is typically May and the driest is October; the year sees roughly 55 in (1391 mm) of precipitation.
- Best time to visitSeptember – November — comfort peaks in October (7.2/10)
- Warmest monthAugust — average high 94°F (35°C)
- Coolest monthJanuary — average low 44°F (7°C)
- Wettest monthMay (7.6 in (193 mm))
- Driest monthOctober (3.2 in (81 mm))
- Annual precipitation55 in (1391 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromConroe, 10 km away (1897-2026)