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Arden-Arcade, California climate

Csa Hot-summer Mediterranean

Arden-Arcade has a seasonal mild-temperate climate (Hot-summer Mediterranean, Köppen Csa). The hottest month is July with an average daily high near 94°F, while the coldest is December averaging around 41°F at night. Precipitation totals about 19 inches a year and is strongly seasonal — January alone averages 3.9 inches while July barely receives 0.00 inches.

☀️ Summers

Hot

Highs near 94°F in July.

About 90 days a year above 90 °F

❄️ Winters

Cool

Lows near 41°F in December.

About 4 freezing nights a year

🌧️ Rain

Fairly dry

About 19 in of rain a year.

Wettest in January

⛅ Sky & trend

Fairly sunny

More sun than cloud through the year.

+0.2 °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

Arden-Arcade climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	57	62	68	74	81	89	94	94	89	79	65	56
Avg temp (°F)	49	53	57	61	68	74	78	77	74	66	55	49
Avg low (°F)	41	44	47	49	54	59	61	61	59	53	45	41
Precipitation (in)	3.9	3.6	2.8	1.4	0.9	0.2	0.0	0.0	0.2	0.9	1.8	3.5

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	57	62	68	74	81	89
Avg temp (°F)	49	53	57	61	68	74
Avg low (°F)	41	44	47	49	54	59
Precipitation (in)	3.9	3.6	2.8	1.4	0.9	0.2

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	94	94	89	79	65	56
Avg temp (°F)	78	77	74	66	55	49
Avg low (°F)	61	61	59	53	45	41
Precipitation (in)	0.0	0.0	0.2	0.9	1.8	3.5

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	11	10	9	5	4	1	0.1	0.2	0.8	3	7	10
Days with high ≥ 90°F (days)	—	—	—	1	7	15	24	23	16	4	—	—
Days with low ≤ 32°F (days)	2	0.3	—	—	—	—	—	—	—	—	0.3	2

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	11	10	9	5	4	1
Days with high ≥ 90°F (days)	—	—	—	1	7	15
Days with low ≤ 32°F (days)	2	0.3	—	—	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	0.1	0.2	0.8	3	7	10
Days with high ≥ 90°F (days)	24	23	16	4	—	—
Days with low ≤ 32°F (days)	—	—	—	—	0.3	2

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 5 Ese (NOAA GHCN station USW00023271), about 6 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 →