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Elk Grove, California climate

Csa Hot-summer Mediterranean

Elk Grove has a seasonal mild-temperate climate (Hot-summer Mediterranean, Köppen Csa). The hottest month is July with an average daily high near 93°F, while the coldest is December averaging around 39°F at night. Precipitation totals about 18 inches a year and is strongly seasonal — January alone averages 3.7 inches while July barely receives 0.00 inches.

☀️ Summers

Hot

Highs near 93°F in July.

About 76 days a year above 90 °F

❄️ Winters

Chilly

Lows near 39°F in December.

About 15 freezing nights a year

🌧️ Rain

Fairly dry

About 18 in of rain a year.

Wettest in January

⛅ Sky & trend

Fairly sunny

More sun than cloud through the year.

+0.7 °F vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Elk Grove climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	56	61	66	72	80	88	93	92	89	79	65	56
Avg temp (°F)	48	51	55	60	66	72	76	75	73	65	54	47
Avg low (°F)	39	42	45	47	52	57	59	59	57	50	43	39
Precipitation (in)	3.7	3.5	2.7	1.3	0.8	0.2	0.0	0.0	0.1	0.9	1.7	3.4

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	56	61	66	72	80	88
Avg temp (°F)	48	51	55	60	66	72
Avg low (°F)	39	42	45	47	52	57
Precipitation (in)	3.7	3.5	2.7	1.3	0.8	0.2

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	93	92	89	79	65	56
Avg temp (°F)	76	75	73	65	54	47
Avg low (°F)	59	59	57	50	43	39
Precipitation (in)	0.0	0.0	0.1	0.9	1.7	3.4

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	10	9	9	5	4	1	0.1	0.2	0.7	3	6	10
Days with high ≥ 90°F (days)	—	—	—	0.9	5	12	21	20	14	3	—	—
Days with low ≤ 32°F (days)	5	2	0.2	0.0	—	—	—	—	—	—	2	7

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	10	9	9	5	4	1
Days with high ≥ 90°F (days)	—	—	—	0.9	5	12
Days with low ≤ 32°F (days)	5	2	0.2	0.0	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	0.1	0.2	0.7	3	6	10
Days with high ≥ 90°F (days)	21	20	14	3	—	—
Days with low ≤ 32°F (days)	—	—	—	—	2	7

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	60	55	51	44	35	22	14	15	18	31	47	59
Clear days (≤ 30% cloud)	7	8	11	13	17	22	27	26	23	19	11	8
Partly cloudy days (30–70%)	9	9	9	9	8	5	3	4	5	8	10	10
Cloudy days (≥ 70%)	15	11	11	8	6	3	1	1	2	4	9	13
Relative humidity (%)	74	76	76	71	62	50	41	41	42	47	59	70
Wind speed (mph)	4.1	4.5	4.1	4.2	4.6	5.1	5.4	5.0	4.2	3.7	3.7	4.4

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	60	55	51	44	35	22
Clear days (≤ 30% cloud)	7	8	11	13	17	22
Partly cloudy days (30–70%)	9	9	9	9	8	5
Cloudy days (≥ 70%)	15	11	11	8	6	3
Relative humidity (%)	74	76	76	71	62	50
Wind speed (mph)	4.1	4.5	4.1	4.2	4.6	5.1

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	14	15	18	31	47	59
Clear days (≤ 30% cloud)	27	26	23	19	11	8
Partly cloudy days (30–70%)	3	4	5	8	10	10
Cloudy days (≥ 70%)	1	1	2	4	9	13
Relative humidity (%)	41	41	42	47	59	70
Wind speed (mph)	5.4	5.0	4.2	3.7	3.7	4.4

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Sacramento AP Asos (NOAA GHCN station USW00023232), about 15 km from the city centre.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →