Sant Celoni weather in December

In December, Sant Celoni sees average daytime highs of 12°C and overnight lows near 3°C, with 52 mm of precipitation across 6.7 wet days and about 9 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 12°C through the month. The sky is clear or mostly clear about 40% 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 Celoni's 5th-clearest and 4th-windiest month. For the whole year in context, see Sant Celoni's year-round climate.

Daytime high
12°
11th warmest
Overnight low
3rd coldest
Precipitation
52 mm
6.7 wet days
Daylight
9 hours
8:16 AM – 5:16 PM
Cloud cover
51%
5th clearest
Wind
7 km/h
4th windiest
Solar energy
1.79 kWh/m²
Travel score
3.4
out of 10

Sant Celoni is capital town of the municipality of San Celoni, Spain.

Air quality
Good
PM10 19.3 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 12°C through the month.

A typical December day in Sant Celoni reaches about 12°C in the afternoon and slips back to 3°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 15°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1134
2134
3134
4134
5123
6123
7123
8123
9123
10123
11123
12123
13123
14123
15123
16123
17123
18123
19123
20123
21123
22122
23112
24112
25112
26112
27112
28112
29112
30112
31112

How December really feels in Sant Celoni

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sant Celoni weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 547.10.49.33.2
Feb12° / 527.61.110.33.6
Mar15° / 709.40.311.74.8
Apr17° / 9211.8013.15.3
May21° / 11°9711.3014.36.2
Jun25° / 15°839.40157.1
Jul27° / 17°749014.77.0
Aug27° / 17°8610.5013.76.6
Sep24° / 14°11813012.36.4
Oct20° / 11°12111.6010.96.0
Nov15° / 769.20.19.64.6
Dec12° / 526.70.493.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45446
55446
65446
75446
85446
95446
105446
115347
125347
135347
145347
155446
165446
175347
185347
195347
205347
215347
225446
235446
245545
255545
265644
275644
285644
295644
305644
315842

Chance of precipitation in December

Any precipitationSnow

Sant Celoni gets around 52 mm of rain and snow over 6.7 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 22% and peaks near 26% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1260
2260
3250
4250
5250
6251
7251
8251
9251
10241
11242
12242
13242
14242
15232
16232
17232
18222
19222
20212
21212
22201
23201
24191
25191
26191
27181
28181
29181
30181
31181

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 8:04 AM to 8:23 AM, and sunset from 5:16 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.28:045:16
29.28:055:16
39.28:065:15
49.18:075:15
59.18:085:15
69.18:095:15
79.18:105:15
89.18:105:15
99.18:115:15
109.08:125:15
119.08:135:15
129.08:145:15
139.08:145:15
149.08:155:15
159.08:165:16
169.08:165:16
179.08:175:16
189.08:185:17
199.08:185:17
209.08:195:17
219.08:195:18
229.08:205:18
239.08:205:19
249.08:215:19
259.08:215:20
269.08:215:20
279.08:225:21
289.08:225:22
299.08:225:22
309.08:235:23
319.08:235:24

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.79 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.79 kWh/m² to a high of 6.53 kWh/m² in June across the year — December's 1.79 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.9Dim
41.9Dim
51.9Dim
61.8Dim
71.8Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.8Dim
131.8Dim
141.8Dim
151.8Dim
161.8Dim
171.8Dim
181.8Dim
191.8Dim
201.8Dim
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.8Dim
261.8Dim
271.8Dim
281.8Dim
291.8Dim
301.9Dim
311.9Dim
Planning a trip in December

Is December a good time to visit Sant Celoni?

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

3.4
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Sant Celoni.

What to pack for Sant Celoni in December

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

In December, Sant Celoni sees daytime highs around 12°C and nights near 3°C. Pack a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Sant Celoni 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 13 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 14 to Oct 18 — about 4.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May17Cool
Jun20Refreshing
Jul23Refreshing
Aug25Warm
Sep23Refreshing
Oct20Refreshing
Nov17Cool
Dec15Bracing

UV index in Sant Celoni 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 Celoni peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 14UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Sant Celoni?

Sant Celoni sits at 41.7°N, 2.5°E, 162 m above sea level, in Spain. The nearest listed city is Cardedeu, 12 km away.

Topography around Sant Celoni

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

Within 3 km, the terrain around Sant Celoni has significant variations in elevation — a maximum elevation change of 255 m around an average of 201 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,693 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,569 m.

The land around Sant Celoni is covered by trees (73%) within 3 km, trees (78%) within 16 km, and trees (49%) and water (29%) within 80 km.

3 km
255 m
16 km
1,693 m
80 km
2,569 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Cardedeu 12 km · Arenys de Mar 13 km · Calella 16 km · Mataró 17 km · Pineda de Mar 18 km · Canovelles 19 km · Granollers 19 km · Tordera 19 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
Roman Catholic 58%atheist 16%agnostic 11%non-believer 11%

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 Celoni (41.6892°, 2.4897°, elevation 162 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).