Historical weather data, all-time temperature records, and monthly climate averages for Prescott Valley, AZ. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Prescott Valley is a coin-flip kind of day — mild on average with a 64° high, but history shows the range is wild, from a bitter 19° in 1955 to a shirt-sleeves 85° back in 1961. There's a small but real 6% chance of snow, so don't put the jacket away just yet.
Prescott Valley earns its high-desert reputation at both extremes — it's hit 105° in June and plunged to -9° in December, a 114-degree spread over the station's history. A single September storm in 1983 dumped 5.39 inches of rain, and December 1967 buried the area under 17 inches of snow in one day.
Summer is the headline season here, with late June through early July pushing average highs to 91° before the monsoon arrives and brings the wettest stretch of the year in late July. Winters are mild by mountain standards — January averages a comfortable 52° high — but cold snaps are real, making spring and fall the most reliably pleasant windows for a visit.