Keller

What is the climate like in Keller?

The best time to visit Keller is typically June – December, with trip comfort peaking in September (7.9/10). Keller is warmest in July, when daily highs average 96°F (36°C), and coolest in January, when lows fall to about 38°F (3°C). The wettest month is typically May and the driest is July; the year sees roughly 37 in (949 mm) of precipitation.

• Best time to visitJune – December — comfort peaks in September (7.9/10)
• Warmest monthJuly — average high 96°F (36°C)
• Coolest monthJanuary — average low 38°F (3°C)
• Wettest monthMay (5.6 in (142 mm))
• Driest monthJuly (1.4 in (35 mm))
• Annual precipitation37 in (949 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGrapevine Dam, 18 km away (1897-2023)