Historical weather data, all-time temperature records, and monthly climate averages for Farmington, UT. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Farmington runs mild on average, with highs near 57° and lows around 37° — but the date has a wide range. It's hit 76° as recently as 2021 and dipped to 23° back in 2010. There's about a 1-in-3 chance of precipitation today, and an 18% shot at seeing snow.
Farmington's weather has real range — from a scorching 100° in July 2002 to a brutal -16° on December 23, 1990. The snowiest single day on record dumped 22.4 inches on December 8, 1985, and the wettest dropped 2.62 inches on September 7, 1991.
Farmington peaks in mid-July with average highs around 88-89°, then bottoms out in early January near 36°. Spring is the wettest stretch — the last week of March averages nearly an inch of precipitation. If you're chasing warmth, aim for June through September; if you're avoiding cold, skip December through February.