Historical weather data, all-time temperature records, and monthly climate averages for Grantsville, UT. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Grantsville sits right in the shoulder of spring — expect a high near 60° and a low around 35°, with just a 1-in-4 chance of rain. The date has seen a 56-degree swing in recorded history, from a balmy 78° in 2021 down to a freezing 22° back in 2010.
Grantsville runs hot and cold in the most literal sense — 106° in June 2021 and -9° in January 2017 define the extremes of high desert life. The snowiest single day on record dumped 18.7 inches in late November 2019, a reminder that this place doesn't ease into winter.
Summer is the main event here, with mid-July highs averaging 95° — bring water and shade. Winters are cold but not brutal, with January highs hovering around 36°. If you're planning around rain, mid-to-late April is the wettest stretch of the year.