Elk Grove averages 74.8 days a year above 90°F, with January the wettest month at 3.66 in of normal rain. The hottest day on record was 114°F on Jul 13, 1972; the coldest, 18°F on Dec 22, 1990. The single biggest 24-hour rain event recorded was 5.41 in on Oct 24, 2021.
Climate and Average Weather Year Round in Elk Grove
Year-round temperature
In Elk Grove, the warmest months are June through September, with average daily highs between 88°F and 93°F. The coldest stretch runs December through February, with highs between 56°F and 61°F and overnight lows reaching 39°F.
Rainfall through the year
Rainfall in Elk Grove averages 1.5 in per month over the long run. January is the wettest at 3.7 in, while July is the driest at 0.0 in.
Days at 90 °F or hotter
Elk Grove averages 74.8 days per year at 90 °F or hotter. The hottest year on record saw 113 such days (2020); the coolest just 5 (2026).
Precipitation this year
As of May 28, Elk Grove has received 9.4 in of precipitation this year — 20% below the long-term normal for this point in the year (11.8 in).