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San Fernando, Spain climate

Csa Hot-summer Mediterranean

San Fernando has a mildly seasonal warm-temperate climate (Hot-summer Mediterranean, Köppen Csa). The hottest month is August with an average daily high near 83°F, while the coldest is January averaging around 49°F at night. Precipitation totals about 20 inches a year and is strongly seasonal — November alone averages 3.5 inches while July barely receives 0.01 inches.

☀️ Summers

Warm

Highs near 83°F in August.

About 9 days a year above 90 °F

❄️ Winters

Cool

Lows near 49°F in January.

🌧️ Rain

Fairly dry

About 20 in of rain a year.

Wettest in November

⛅ 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

San Fernando climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	61	62	66	68	73	78	82	83	79	74	67	63
Avg temp (°F)	55	57	60	63	67	73	76	77	74	69	62	57
Avg low (°F)	49	51	54	57	62	67	71	72	69	64	56	52
Precipitation (in)	2.4	2.0	2.2	1.7	1.3	0.2	0.0	0.1	1.1	3.0	3.5	3.0

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	61	62	66	68	73	78
Avg temp (°F)	55	57	60	63	67	73
Avg low (°F)	49	51	54	57	62	67
Precipitation (in)	2.4	2.0	2.2	1.7	1.3	0.2

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	82	83	79	74	67	63
Avg temp (°F)	76	77	74	69	62	57
Avg low (°F)	71	72	69	64	56	52
Precipitation (in)	0.0	0.1	1.1	3.0	3.5	3.0

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	8	8	8	7	4	1	0.2	0.5	3	7	8	9
Days with high ≥ 90°F (days)	—	—	—	—	0.2	1	3	4	0.9	—	—	—
Days with low ≤ 32°F (days)	0.0	—	—	—	—	—	—	—	—	—	—	—

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	8	8	8	7	4	1
Days with high ≥ 90°F (days)	—	—	—	—	0.2	1
Days with low ≤ 32°F (days)	0.0	—	—	—	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	0.2	0.5	3	7	8	9
Days with high ≥ 90°F (days)	3	4	0.9	—	—	—
Days with low ≤ 32°F (days)	—	—	—	—	—	—

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	53	49	50	50	43	29	21	26	37	49	52	55
Clear days (≤ 30% cloud)	10	10	11	10	12	19	23	22	15	11	10	9
Partly cloudy days (30–70%)	10	10	10	11	12	9	6	7	11	11	10	11
Cloudy days (≥ 70%)	11	9	10	9	7	3	1	2	5	9	10	11
Relative humidity (%)	80	79	77	75	71	67	63	65	71	76	78	81
Wind speed (mph)	9.4	9.8	10.0	9.6	9.0	8.7	8.0	7.9	8.2	8.7	9.3	9.8

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	53	49	50	50	43	29
Clear days (≤ 30% cloud)	10	10	11	10	12	19
Partly cloudy days (30–70%)	10	10	10	11	12	9
Cloudy days (≥ 70%)	11	9	10	9	7	3
Relative humidity (%)	80	79	77	75	71	67
Wind speed (mph)	9.4	9.8	10.0	9.6	9.0	8.7

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	21	26	37	49	52	55
Clear days (≤ 30% cloud)	23	22	15	11	10	9
Partly cloudy days (30–70%)	6	7	11	11	10	11
Cloudy days (≥ 70%)	1	2	5	9	10	11
Relative humidity (%)	63	65	71	76	78	81
Wind speed (mph)	8.0	7.9	8.2	8.7	9.3	9.8

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Cadiz, a weather station, about 6 km from the city centre. The underlying daily records come from NOAA's global station network.

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 →