Anaheim averages 44.6 days a year above 90°F, with January the wettest month at 3.16 in of normal rain. The hottest day on record was 112°F on Sep 6, 2024; the coldest, 30°F on Feb 15, 1990. The single biggest 24-hour rain event recorded was 6.73 in on Jan 18, 2010.
Climate and Average Weather Year Round in Anaheim
Year-round temperature
In Anaheim, the warmest months are July through October, with average daily highs between 83°F and 89°F. The coldest stretch runs December through February, with highs near 71°F and overnight lows reaching 48°F.
Rainfall through the year
Rainfall in Anaheim averages 1.1 in per month over the long run. January is the wettest at 3.2 in, while August is the driest at 0.0 in.
Days at 90 °F or hotter
Anaheim averages 44.6 days per year at 90 °F or hotter. The hottest year on record saw 85 such days (2022); the coolest just 8 (2026).
Precipitation this year
As of May 28, Anaheim has received 5.1 in of precipitation this year — 44% below the long-term normal for this point in the year (9.1 in).