San SebastianSpain · Europe · May

May climate

BeachFood

May in San Sebastian

Spain · Europe

Mild days and some sun.

Some tradeoffs

Daytime high

66°F

Lows around 56°F

Rain

Frequent rain

Sun

5.5 h/day

Air feel

Comfortable

Sea temp

59°F

Too cold for swimming

When to visit

Month-by-month fit

Best

Switch month

Temperature

Pleasant by day, brisk at night.

66°Ftypical May high

Typical range

Precipitation

Rain is frequent. About 16 wet days, more than in most months.

52%wet-day frequency

AmountWet-day chance

Sunshine

Cloudier spells limit sunshine.

5.4 hMay sunshine

Heat & humidity by month

ComfortableMay

Easy airWarm airHumid airVery humid air

Hourly temperature pattern

In May, afternoons feel about 62° and nights feel near 55°.

Very coldColdCoolComfortableWarmNight hours

Clear sky

Mostly cloudy skies this month.

33%May Clear sky

Clear skyCloud

Wind pattern

Calm winds are typical in May.

7 mphMay Light breeze

Sea temperature

59°FMay sea temp

More detailIncludes daypart comfort

Typical May day

May late afternoons are around 65°F, and early evening stays near 64°F.

Avg temp Typical range

Morning60°F

Rain32%

Cloud67%

Humid airLow

Sun intensityLow

Best window

Midday65°F

Rain33%

Cloud67%

Humid airLow

Sun intensityStrong

Late afternoon65°F

Rain31%

Cloud67%

Humid airLow

Sun intensityStrong

Early evening64°F

Rain27%

Cloud65%

Humid airLow

Sun intensityLow

Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	54	46	5.7	16	2.8	80	55
Feb	55	46	4.9	14	3.3	78	54
Mar	59	49	4.6	15	4.1	76	54
Apr	62	51	4.6	16	4.2	78	56
May	66	56	4.5	16	5.4	80	59
Jun	72	61	3.9	13	6.1	82	65
Jul	75	64	3.1	13	6.3	82	69
Aug	76	65	3.6	13	5.9	82	71
Sep	73	62	3.8	13	5.4	80	69
Oct	68	58	4.8	13	4.3	79	65
Nov	60	51	7.3	17	3.4	80	60
Dec	55	47	5.5	15	2.7	80	57

Similar climates

Want a side-by-side climate view? Compare San Sebastian with Capri.

Climate data notePlanning guidance, not a forecast

Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.

Sunshine: source type is not yet identified at metric level.

Local microclimates can vary by beach, neighborhood, trail, or elevation.

Last updated: Jun 1, 2026

Data & methodology

Month

High°F

Low°F

Rainin

Wet days

Sunh

Humidity%

Sea°F

Jan

5.7

2.8

Feb

4.9

3.3

Mar

4.6

4.1

Apr

4.6

4.2

May

4.5

5.4

Jun

3.9

6.1

Jul

3.1

6.3

Aug

3.6

5.9

Sep

3.8

5.4

Oct

4.8

4.3

Nov

7.3

3.4

Dec

5.5

2.7

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	54	46	5.7	16	2.8	80	55
Feb	55	46	4.9	14	3.3	78	54
Mar	59	49	4.6	15	4.1	76	54
Apr	62	51	4.6	16	4.2	78	56
May	66	56	4.5	16	5.4	80	59
Jun	72	61	3.9	13	6.1	82	65
Jul	75	64	3.1	13	6.3	82	69
Aug	76	65	3.6	13	5.9	82	71
Sep	73	62	3.8	13	5.4	80	69
Oct	68	58	4.8	13	4.3	79	65
Nov	60	51	7.3	17	3.4	80	60
Dec	55	47	5.5	15	2.7	80	57

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	54	46	5.7	16	2.8	80	55
Feb	55	46	4.9	14	3.3	78	54
Mar	59	49	4.6	15	4.1	76	54
Apr	62	51	4.6	16	4.2	78	56
May	66	56	4.5	16	5.4	80	59
Jun	72	61	3.9	13	6.1	82	65
Jul	75	64	3.1	13	6.3	82	69
Aug	76	65	3.6	13	5.9	82	71
Sep	73	62	3.8	13	5.4	80	69
Oct	68	58	4.8	13	4.3	79	65
Nov	60	51	7.3	17	3.4	80	60
Dec	55	47	5.5	15	2.7	80	57

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	54	46	5.7	16	2.8	80	55
Feb	55	46	4.9	14	3.3	78	54
Mar	59	49	4.6	15	4.1	76	54
Apr	62	51	4.6	16	4.2	78	56
May	66	56	4.5	16	5.4	80	59
Jun	72	61	3.9	13	6.1	82	65
Jul	75	64	3.1	13	6.3	82	69
Aug	76	65	3.6	13	5.9	82	71
Sep	73	62	3.8	13	5.4	80	69
Oct	68	58	4.8	13	4.3	79	65
Nov	60	51	7.3	17	3.4	80	60
Dec	55	47	5.5	15	2.7	80	57

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	54	46	5.7	16	2.8	80	55
Feb	55	46	4.9	14	3.3	78	54
Mar	59	49	4.6	15	4.1	76	54
Apr	62	51	4.6	16	4.2	78	56
May	66	56	4.5	16	5.4	80	59
Jun	72	61	3.9	13	6.1	82	65
Jul	75	64	3.1	13	6.3	82	69
Aug	76	65	3.6	13	5.9	82	71
Sep	73	62	3.8	13	5.4	80	69
Oct	68	58	4.8	13	4.3	79	65
Nov	60	51	7.3	17	3.4	80	60
Dec	55	47	5.5	15	2.7	80	57

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	54	46	5.7	16	2.8	80	55
Feb	55	46	4.9	14	3.3	78	54
Mar	59	49	4.6	15	4.1	76	54
Apr	62	51	4.6	16	4.2	78	56
May	66	56	4.5	16	5.4	80	59
Jun	72	61	3.9	13	6.1	82	65
Jul	75	64	3.1	13	6.3	82	69
Aug	76	65	3.6	13	5.9	82	71
Sep	73	62	3.8	13	5.4	80	69
Oct	68	58	4.8	13	4.3	79	65
Nov	60	51	7.3	17	3.4	80	60
Dec	55	47	5.5	15	2.7	80	57

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%	Sea°F
Jan	54	46	5.7	16	2.8	80	55
Feb	55	46	4.9	14	3.3	78	54
Mar	59	49	4.6	15	4.1	76	54
Apr	62	51	4.6	16	4.2	78	56
May	66	56	4.5	16	5.4	80	59
Jun	72	61	3.9	13	6.1	82	65
Jul	75	64	3.1	13	6.3	82	69
Aug	76	65	3.6	13	5.9	82	71
Sep	73	62	3.8	13	5.4	80	69
Oct	68	58	4.8	13	4.3	79	65
Nov	60	51	7.3	17	3.4	80	60
Dec	55	47	5.5	15	2.7	80	57