Historical weather data, all-time temperature records, and monthly climate averages for Anthem, AZ. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Anthem sits in that sweet shoulder-season window — historically mild, with an average high of 77° and a low of 50°. The date's range tells the full story of desert spring: it's reached 93° as recently as 2021, but also dipped to a sharp 36° back in 1975. Rain is unlikely at just an 8% chance, and snow is essentially off the table.
Anthem plays for keeps when it comes to extremes — the all-time high of 118° in June 2017 puts it firmly in serious desert territory, while the record low of 15° in January 1963 proves winter can still bite. The wettest single day on record dropped 3.7 inches in March 1983, a reminder that when desert storms arrive, they don't hold back.
If you're planning a visit, spring and fall are your sweet spots — April averages 81° and October hits 85°, both well clear of the brutal summer stretch where highs top 100° from June through September. Peak heat lands the week of July 9–15, with average highs of 104°. The wettest weather comes in mid-August, driven by monsoon season, while late December is the coolest stretch with highs around 61°.