Historical weather data, all-time temperature records, and monthly climate averages for Arvada, CO. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Arvada swings wide — the mercury has ranged from a bitter 13° (just two years ago in 2023) all the way up to 83° back in 1991. Expect a typical high around 60° and a frosty overnight near 29°, but keep an eye on the sky: there's a 23% chance of snow on any given April 5th.
Arvada has seen it all, from a scorching 103° on June 29, 1990 to a brutal -24° that same year on December 22 — a 127-degree swing within a single calendar year. The snowiest single day on record dumped 30.4 inches on Christmas Eve 1982, which is either magical or a nightmare depending on your plans.
Summer is the main event, with highs peaking around 90° the third week of July, while the coldest stretch of the year — mid-to-late December — tops out at just 45°. If rain is your concern, late spring is the time to watch: the week of May 14–20 is the wettest of the year, averaging 0.75 inches of precipitation.