Moreno Valley averages 88.3 days a year above 90°F, with February the wettest month at 2.43 in of normal rain. The hottest day on record was 116°F on Sep 6, 2020; the coldest, 19°F on Feb 5, 2020. The single biggest 24-hour rain event recorded was 2.27 in on Aug 30, 2012.
Climate and Average Weather Year Round in Moreno Valley
Year-round temperature
In Moreno Valley, the warmest months are June through September, with average daily highs between 87°F and 95°F. The coldest stretch runs December through February, with highs between 65°F and 66°F and overnight lows reaching 37°F.
Rainfall through the year
Rainfall in Moreno Valley averages 0.9 in per month over the long run. February is the wettest at 2.4 in, while June is the driest at 0.1 in.
Days at 90 °F or hotter
Moreno Valley averages 88.3 days per year at 90 °F or hotter. The hottest year on record saw 125 such days (2020); the coolest just 17 (2026).
Precipitation this year
As of May 28, Moreno Valley has received 2.8 in of precipitation this year — 61% below the long-term normal for this point in the year (7.0 in).