Weather in Santander in May

General weather information about Santander

Average annual temperature is 15.5 °C

Absolute maximum temperature: 38.7 °C

Absolute minimum temperature: 2.1 °C

Number of sunny days: 126 days

Number of rainy days: 239 days

Look at detailed online map of Santander

* Weather data for Santander Spain is based on climate observations for 2026 year

Santander air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	20.4	18.2	27.7	20.7	28.4	28.7	30.0	38.7	30.9	32.6	23.0	20.4
Average daytime temperature (°C)	12.1	12.1	16.5	16.0	18.0	22.5	23.0	24.1	24.4	22.4	16.8	14.2
Average temperature (°C)	9.6	9.0	12.9	13.3	15.5	19.9	20.2	20.9	20.7	18.6	14.0	11.1
Average night temperature (°C)	7.1	6.2	9.9	10.7	13.1	17.4	17.1	18.1	17.4	15.1	11.6	7.9
Absolute minimum temperature (°C)	3.1	2.1	2.8	5.8	10.1	14.6	13.6	14.8	11.6	9.4	7.5	2.5

Santander monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	9.0
Daylight mean duration (h)	9.4	10.5	11.9	13.4	14.7	15.4	15.0	13.9	12.5	11.0	9.7	9.0
Daylight minimum duration (h)	9.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	8.0
Sunshine mean duration (h)	4.5	7.0	7.8	9.4	11.0	11.2	10.2	10.3	10.0	7.2	5.2	5.0
Precipitation (mm)	261	74	65	83	98	76	50	94	91	95	213	105
Sunny days	8	15	10	12	7	12	7	14	13	13	4	11
Rainy days	23	13	21	18	24	18	24	17	17	18	26	20
Snow days	0	0	0	0	0	0	0	0	0	0	0	0

Santander - weather forecast by months

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Best time to visit Santander:

The best time to visit Santander during the most sunny months:

May — 11.0(h)
June — 11.2(h)
August — 10.3(h)

Months with the longest average daylight duration in Santander:

June — 15.4(h)

The largest precipitation sum in Santander is at

January — 261(mm)

November — 213(mm)

Weather forecast in the closest to Santander admin centers