Fresno averages 110.1 days a year above 90°F, with January the wettest month at 2.16 in of normal rain. The hottest day on record was 114°F on Jul 11, 2021; the coldest, 18°F on Dec 23, 1990. The single biggest 24-hour rain event recorded was 2.38 in on Mar 10, 1995.
Climate and Average Weather Year Round in Fresno
Year-round temperature
In Fresno, the warmest months are June through September, with average daily highs between 91°F and 98°F. The coldest stretch runs December through February, with highs between 55°F and 61°F and overnight lows reaching 40°F.
Rainfall through the year
Rainfall in Fresno averages 0.9 in per month over the long run. January is the wettest at 2.2 in, while August is the driest at 0.0 in.
Days at 90 °F or hotter
Fresno averages 110.1 days per year at 90 °F or hotter. The hottest year on record saw 142 such days (2014); the coolest just 15 (2026).
Precipitation this year
As of May 28, Fresno has received 4.5 in of precipitation this year — 39% below the long-term normal for this point in the year (7.4 in).