Glendale averages 58.4 days a year above 90°F, with February the wettest month at 4.47 in of normal rain. The hottest day on record was 114°F on Sep 5, 2020; the coldest, 22°F on Dec 8, 1978. The single biggest 24-hour rain event recorded was 5.45 in on Mar 1, 1983.
Climate and Average Weather Year Round in Glendale
Year-round temperature
In Glendale, the warmest months are July through October, with average daily highs between 81°F and 88°F. The coldest stretch runs December through February, with highs between 68°F and 69°F and overnight lows reaching 42°F.
Rainfall through the year
Rainfall in Glendale averages 1.4 in per month over the long run. February is the wettest at 4.5 in, while August is the driest at 0.0 in.
Days at 90 °F or hotter
Glendale averages 58.4 days per year at 90 °F or hotter. The hottest year on record saw 72 such days (2020); the coolest just 12 (2026).
Precipitation this year
As of May 29, Glendale has received 7.3 in of precipitation this year — 40% below the long-term normal for this point in the year (12.2 in).