Sant Joan Despí weather in December

In December, Sant Joan Despí sees average daytime highs of 13°C and overnight lows near 9°C, with 44 mm of precipitation across 6.4 wet days and about 9.1 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 45% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 12 min at the start of December to 9 hours by month's end. Set against the rest of the year, December is Sant Joan Despí's 10th-clearest and 1st-windiest month. For the whole year in context, see Sant Joan Despí's year-round climate.

Daytime high: 13°; 10th warmest
Overnight low: 9°; 3rd coldest
Precipitation: 44 mm; 6.4 wet days
Daylight: 9 hours; 8:17 AM – 5:19 PM
Cloud cover: 48%; 10th clearest
Wind: 14 km/h; 1st windiest
Solar energy: 1.9 kWh/m²
Travel score: 4.3; out of 10

← November Sant Joan Despí year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 13°C through the month.

A typical December day in Sant Joan Despí reaches about 13°C in the afternoon and slips back to 9°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 16°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	14	14	14	14	14	14	14	14	14	14	14	14	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Avg low (°C)	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	8	8	8

	Avg high (°C)	Avg low (°C)
1	14	10
2	14	10
3	14	10
4	14	10
5	14	10
6	14	10
7	14	10
8	14	10
9	14	10
10	14	9
11	14	9
12	14	9
13	13	9
14	13	9
15	13	9
16	13	9
17	13	9
18	13	9
19	13	9
20	13	9
21	13	9
22	13	9
23	13	9
24	13	9
25	13	9
26	13	9
27	13	9
28	13	9
29	13	8
30	13	8
31	13	8

Sant Joan Despí weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	13° / 8°	45	6.7	9.4	3.8
Feb	13° / 8°	36	5.8	10.3	4.0
Mar	14° / 10°	40	6	11.7	4.8
Apr	16° / 12°	48	7.6	13.1	5.4
May	19° / 15°	43	6.6	14.3	6.7
Jun	23° / 19°	29	4.7	14.9	8.0
Jul	25° / 22°	22	4.6	14.7	8.3
Aug	26° / 22°	44	6.4	13.7	7.7
Sep	24° / 20°	86	9.9	12.3	7.1
Oct	20° / 16°	94	10.1	10.9	6.5
Nov	16° / 12°	64	7.8	9.7	5.5
Dec	13° / 9°	44	6.4	9.1	4.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 41%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	62	62	61	61	61	61	60	60	60	58	58	57	57	56	56	56	56	56	56	56	56	57	58	58	58	60	60	61	62	62	63
Cloudier (%)	38	38	39	39	39	39	40	40	40	42	42	43	43	44	44	44	44	44	44	44	44	43	42	42	42	40	40	39	38	38	37

	Clearer (%)	Cloudier (%)
1	62	38
2	62	38
3	61	39
4	61	39
5	61	39
6	61	39
7	60	40
8	60	40
9	60	40
10	58	42
11	58	42
12	57	43
13	57	43
14	56	44
15	56	44
16	56	44
17	56	44
18	56	44
19	56	44
20	56	44
21	56	44
22	57	43
23	58	42
24	58	42
25	58	42
26	60	40
27	60	40
28	61	39
29	62	38
30	62	38
31	63	37

Chance of precipitation in December

Any precipitation

Sant Joan Despí gets around 44 mm of rain and snow over 6.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 21% and peaks near 23% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	23	23	23	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	21	21	20	20	19	19	18	17	17	17	16	16	16

	Rain chance (%)
1	23
2	23
3	23
4	22
5	22
6	22
7	22
8	22
9	22
10	22
11	22
12	22
13	22
14	22
15	22
16	22
17	22
18	22
19	21
20	21
21	20
22	20
23	19
24	19
25	18
26	17
27	17
28	17
29	16
30	16
31	16

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	97	97	98	98	98	99	99	99	99	99	99	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	3	3	2	2	2	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	97	3
2	97	3
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

Wind in December

Winds average 14 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	14	light breeze
2	14	light breeze
3	14	light breeze
4	14	light breeze
5	14	light breeze
6	14	light breeze
7	14	light breeze
8	14	light breeze
9	14	light breeze
10	14	light breeze
11	14	light breeze
12	14	light breeze
13	14	light breeze
14	14	light breeze
15	14	light breeze
16	14	light breeze
17	14	light breeze
18	14	light breeze
19	14	light breeze
20	14	light breeze
21	14	light breeze
22	14	light breeze
23	14	light breeze
24	14	light breeze
25	14	light breeze
26	14	light breeze
27	14	light breeze
28	14	light breeze
29	14	light breeze
30	14	light breeze
31	14	light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 12 min at the start of December to 9 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 8:05 AM to 8:23 AM, and sunset from 5:18 PM to 5:26 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	9.2	9.2	9.2	9.2	9.2	9.1	9.1	9.1	9.1	9.1	9.1	9.1	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0	9.0
Sunrise (AM)	8:05	8:06	8:07	8:07	8:08	8:09	8:10	8:11	8:12	8:13	8:14	8:14	8:15	8:16	8:16	8:17	8:18	8:18	8:19	8:20	8:20	8:21	8:21	8:21	8:22	8:22	8:22	8:23	8:23	8:23	8:23
Sunset (PM)	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:19	5:19	5:19	5:20	5:20	5:21	5:21	5:21	5:22	5:23	5:23	5:24	5:24	5:25	5:26	5:26

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.2	8:05	5:18
2	9.2	8:06	5:18
3	9.2	8:07	5:18
4	9.2	8:07	5:18
5	9.2	8:08	5:18
6	9.1	8:09	5:18
7	9.1	8:10	5:18
8	9.1	8:11	5:18
9	9.1	8:12	5:18
10	9.1	8:13	5:18
11	9.1	8:14	5:18
12	9.1	8:14	5:18
13	9.0	8:15	5:18
14	9.0	8:16	5:18
15	9.0	8:16	5:18
16	9.0	8:17	5:19
17	9.0	8:18	5:19
18	9.0	8:18	5:19
19	9.0	8:19	5:20
20	9.0	8:20	5:20
21	9.0	8:20	5:21
22	9.0	8:21	5:21
23	9.0	8:21	5:21
24	9.0	8:21	5:22
25	9.0	8:22	5:23
26	9.0	8:22	5:23
27	9.0	8:22	5:24
28	9.0	8:23	5:24
29	9.0	8:23	5:25
30	9.0	8:23	5:26
31	9.0	8:23	5:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.9 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.9 kWh/m² to a high of 7.14 kWh/m² in June across the year — December's 1.9 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	2.0	2.0	2.0	2.0	2.0	2.0	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	1.9	2.0
Level	Moderate	Moderate	Moderate	Moderate	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim

	Solar energy (kWh/m²)	Level
1	2.0	Moderate
2	2.0	Moderate
3	2.0	Moderate
4	2.0	Moderate
5	2.0	Dim
6	2.0	Dim
7	1.9	Dim
8	1.9	Dim
9	1.9	Dim
10	1.9	Dim
11	1.9	Dim
12	1.9	Dim
13	1.9	Dim
14	1.9	Dim
15	1.9	Dim
16	1.9	Dim
17	1.9	Dim
18	1.9	Dim
19	1.9	Dim
20	1.9	Dim
21	1.9	Dim
22	1.9	Dim
23	1.9	Dim
24	1.9	Dim
25	1.9	Dim
26	1.9	Dim
27	1.9	Dim
28	1.9	Dim
29	1.9	Dim
30	1.9	Dim
31	2.0	Dim

Planning a trip in December

Is December a good time to visit Sant Joan Despí?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.3

Sightseeing

10th-best month of the year

0.0

Beach & pool

10th-best month of the year

December is a reasonable time to visit Sant Joan Despí for sightseeing.

What to pack for Sant Joan Despí in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Sant Joan Despí sees daytime highs around 13°C and nights near 9°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

Sea temperature near Sant Joan Despí in December

The nearest coast averages about 15°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 km away) is warmest in August at about 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 11 to Oct 23 — about 4.4 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	14	13	13	14	17	21	24	25	24	21	17	15
Comfort	Bracing	Bracing	Bracing	Bracing	Cool	Refreshing	Refreshing	Warm	Refreshing	Refreshing	Cool	Bracing

	Sea temperature (°C)	Comfort
Jan	14	Bracing
Feb	13	Bracing
Mar	13	Bracing
Apr	14	Bracing
May	17	Cool
Jun	21	Refreshing
Jul	24	Refreshing
Aug	25	Warm
Sep	24	Refreshing
Oct	21	Refreshing
Nov	17	Cool
Dec	15	Bracing

UV index in Sant Joan Despí in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sant Joan Despí peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	3	5	7	6	8	9	8	6	4	2	1
Level	Low	Moderate	Moderate	High	High	Very high	Very high	Very high	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Low
Feb	3	Moderate
Mar	5	Moderate
Apr	7	High
May	6	High
Jun	8	Very high
Jul	9	Very high
Aug	8	Very high
Sep	6	High
Oct	4	Moderate
Nov	2	Moderate
Dec	1	Low

Location & terrain

Where is Sant Joan Despí?

Sant Joan Despí sits at 41.4°N, 2.1°E, 22 m above sea level, in Spain. The nearest listed city is Sant Feliu de Llobregat, 2.0 km away.

Topography around Sant Joan Despí

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sant Joan Despí.

Within 3 km, the terrain around Sant Joan Despí has only modest variations in elevation — a maximum elevation change of 193 m around an average of 42 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 650 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,677 m.

The land around Sant Joan Despí is covered by artificial surfaces (54%) and trees (20%) within 3 km, trees (37%), artificial surfaces (26%) and water (23%) within 16 km, and trees (39%) and water (34%) within 80 km.

3 km

193 m

artificial surfaces 54%

16 km

650 m

trees 37%

80 km

1,677 m

trees 39%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← November Sant Joan Despí year-round climate January →Best places to visit in December

December weather nearby: Sant Feliu de Llobregat 2.0 km · Sant Just Desvern 2.0 km · Esplugues de Llobregat 3.0 km · Cornellà de Llobregat 3.0 km · Sant Boi de Llobregat 3.0 km · L'Hospitalet de Llobregat 4.0 km · Sant Vicenç dels Horts 5.0 km · la Maternitat i Sant Ramon 5.0 km

Spain travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / F; 230 V · 50 Hz
Prices: ≈ 65% of US; price level, 2025
GDP per capita: $38,627; 2025
Happiness: 6.5 / 10; World Happiness, 2025
Safe drinking water: 99%; of population, 2024
Homicide rate: 0.7; per 100k, 2023
Road deaths: 3.9; per 100k/yr, 2019
Income group: High; World Bank
English: Moderate; EF EPI 540
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sant Joan Despí (41.3672°, 2.0574°, elevation 22 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	14	10
2	14	10
3	14	10
4	14	10
5	14	10
6	14	10
7	14	10
8	14	10
9	14	10
10	14	9
11	14	9
12	14	9
13	13	9
14	13	9
15	13	9
16	13	9
17	13	9
18	13	9
19	13	9
20	13	9
21	13	9
22	13	9
23	13	9
24	13	9
25	13	9
26	13	9
27	13	9
28	13	9
29	13	8
30	13	8
31	13	8

	Clearer (%)	Cloudier (%)
1	62	38
2	62	38
3	61	39
4	61	39
5	61	39
6	61	39
7	60	40
8	60	40
9	60	40
10	58	42
11	58	42
12	57	43
13	57	43
14	56	44
15	56	44
16	56	44
17	56	44
18	56	44
19	56	44
20	56	44
21	56	44
22	57	43
23	58	42
24	58	42
25	58	42
26	60	40
27	60	40
28	61	39
29	62	38
30	62	38
31	63	37

	Rain chance (%)
1	23
2	23
3	23
4	22
5	22
6	22
7	22
8	22
9	22
10	22
11	22
12	22
13	22
14	22
15	22
16	22
17	22
18	22
19	21
20	21
21	20
22	20
23	19
24	19
25	18
26	17
27	17
28	17
29	16
30	16
31	16

	Dry (%)	Comfortable (%)
1	97	3
2	97	3
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	14	10
2	14	10
3	14	10
4	14	10
5	14	10
6	14	10
7	14	10
8	14	10
9	14	10
10	14	9
11	14	9
12	14	9
13	13	9
14	13	9
15	13	9
16	13	9
17	13	9
18	13	9
19	13	9
20	13	9
21	13	9
22	13	9
23	13	9
24	13	9
25	13	9
26	13	9
27	13	9
28	13	9
29	13	8
30	13	8
31	13	8

	Clearer (%)	Cloudier (%)
1	62	38
2	62	38
3	61	39
4	61	39
5	61	39
6	61	39
7	60	40
8	60	40
9	60	40
10	58	42
11	58	42
12	57	43
13	57	43
14	56	44
15	56	44
16	56	44
17	56	44
18	56	44
19	56	44
20	56	44
21	56	44
22	57	43
23	58	42
24	58	42
25	58	42
26	60	40
27	60	40
28	61	39
29	62	38
30	62	38
31	63	37

	Rain chance (%)
1	23
2	23
3	23
4	22
5	22
6	22
7	22
8	22
9	22
10	22
11	22
12	22
13	22
14	22
15	22
16	22
17	22
18	22
19	21
20	21
21	20
22	20
23	19
24	19
25	18
26	17
27	17
28	17
29	16
30	16
31	16

	Dry (%)	Comfortable (%)
1	97	3
2	97	3
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	14	10
2	14	10
3	14	10
4	14	10
5	14	10
6	14	10
7	14	10
8	14	10
9	14	10
10	14	9
11	14	9
12	14	9
13	13	9
14	13	9
15	13	9
16	13	9
17	13	9
18	13	9
19	13	9
20	13	9
21	13	9
22	13	9
23	13	9
24	13	9
25	13	9
26	13	9
27	13	9
28	13	9
29	13	8
30	13	8
31	13	8

	Clearer (%)	Cloudier (%)
1	62	38
2	62	38
3	61	39
4	61	39
5	61	39
6	61	39
7	60	40
8	60	40
9	60	40
10	58	42
11	58	42
12	57	43
13	57	43
14	56	44
15	56	44
16	56	44
17	56	44
18	56	44
19	56	44
20	56	44
21	56	44
22	57	43
23	58	42
24	58	42
25	58	42
26	60	40
27	60	40
28	61	39
29	62	38
30	62	38
31	63	37

	Rain chance (%)
1	23
2	23
3	23
4	22
5	22
6	22
7	22
8	22
9	22
10	22
11	22
12	22
13	22
14	22
15	22
16	22
17	22
18	22
19	21
20	21
21	20
22	20
23	19
24	19
25	18
26	17
27	17
28	17
29	16
30	16
31	16

	Dry (%)	Comfortable (%)
1	97	3
2	97	3
3	98	2
4	98	2
5	98	2
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0