Temperature
Warm by day, brisk at night.
84°Ftypical Aug high
Arvada is most comfortable in autumn. Summers are warm and winters are cool. Rain is spread through the year. Humidity is usually low.

Warm by day, brisk at night.
Moderate rain risk across the month.
Plenty of sun this month.
Some hot afternoons, with mostly dry air.
Partly cloudy across the month.
Want a side-by-side climate view? Compare Arvada with Madrid.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 11, 2026
Data & methodology