Gillette

What is the climate like in Gillette?

The best time to visit Gillette is typically June – September, with trip comfort peaking in July (8.2/10). Gillette is warmest in July, when daily highs average 88°F (31°C), and coolest in February, when lows fall to about 17°F (-9°C). The wettest month is typically May and the driest is November; the year sees roughly 19 in (484 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in July (8.2/10)
• Warmest monthJuly — average high 88°F (31°C)
• Coolest monthFebruary — average low 17°F (-9°C)
• Wettest monthMay (2.8 in (70 mm))
• Driest monthNovember (0.8 in (20 mm))
• Annual precipitation19 in (484 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGillette 3se, 5 km away (1902-2026)