Long Beach averages 23.3 days a year above 90°F, with February the wettest month at 3.02 in of normal rain. The hottest day on record was 111°F on Sep 27, 2010; the coldest, 28°F on Dec 22, 1990. The single biggest 24-hour rain event recorded was 3.97 in on Jan 22, 2017.
Climate and Average Weather Year Round in Long Beach
Year-round temperature
In Long Beach, the warmest months are July through October, with average daily highs between 78°F and 83°F. The coldest stretch runs December through February, with highs near 67°F and overnight lows reaching 47°F.
Rainfall through the year
Rainfall in Long Beach averages 1.0 in per month over the long run. February is the wettest at 3.0 in, while August is the driest at 0.0 in.
Days at 90 °F or hotter
Long Beach averages 23.3 days per year at 90 °F or hotter. The hottest year on record saw 41 such days (2015); the coolest just 6 (2026).
Precipitation this year
As of May 28, Long Beach has received 5.1 in of precipitation this year — 39% below the long-term normal for this point in the year (8.4 in).