Denison

What is the climate like in Denison?

The best time to visit Denison is typically June – November, with trip comfort peaking in September (7.5/10). Denison is warmest in July, when daily highs average 94°F (34°C), and coolest in January, when lows fall to about 37°F (3°C). The wettest month is typically May and the driest is July; the year sees roughly 44 in (1129 mm) of precipitation.

• Best time to visitJune – November — comfort peaks in September (7.5/10)
• Warmest monthJuly — average high 94°F (34°C)
• Coolest monthJanuary — average low 37°F (3°C)
• Wettest monthMay (6.2 in (156 mm))
• Driest monthJuly (2.1 in (53 mm))
• Annual precipitation44 in (1129 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromSherman, 11 km away (1897-2026)