Climate almanac
Westminster
Colorado, United States · 39.84°, -105.04°
What is the climate like in Westminster?
The best time to visit Westminster is typically June – October, with trip comfort peaking in September (8.5/10). Westminster is warmest in July, when daily highs average 89°F (32°C), and coolest in January, when lows fall to about 20°F (-7°C). The wettest month is typically May and the driest is December; the year sees roughly 20 in (512 mm) of precipitation.
- Best time to visitJune – October — comfort peaks in September (8.5/10)
- Warmest monthJuly — average high 89°F (32°C)
- Coolest monthJanuary — average low 20°F (-7°C)
- Wettest monthMay (3.9 in (100 mm))
- Driest monthDecember (0.8 in (19 mm))
- Annual precipitation20 in (512 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromLakewood, 12 km away (1962-2025)