Salt weather in December

In December, Salt sees average daytime highs of 12°C and overnight lows near 3°C, with 60 mm of precipitation across 6.9 wet days and about 9 hours of daylight. It is the 11th-warmest and 11th-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 38% 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 Salt's 6th-clearest and 8th-windiest month. For the whole year in context, see Salt's year-round climate.

Daytime high
12°
11th warmest
Overnight low
3rd coldest
Precipitation
60 mm
6.9 wet days
Daylight
9 hours
8:16 AM – 5:14 PM
Cloud cover
52%
6th clearest
Wind
7 km/h
8th windiest
Solar energy
1.79 kWh/m²
Travel score
3.7
out of 10

Salt is capital town of the municipality of Salt, Spain.

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 Salt reaches about 12°C in the afternoon and slips back to 3°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 16°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
5134
6133
7133
8133
9133
10133
11133
12133
13123
14123
15123
16123
17123
18123
19123
20123
21123
22123
23122
24122
25122
26122
27122
28122
29122
30122
31122

How December really feels in Salt

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.

Salt weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 607.50.79.33.4
Feb13° / 558.11.110.33.8
Mar16° / 739.20.411.75.0
Apr18° / 9111.50.213.15.6
May21° / 11°9111.6014.36.3
Jun26° / 15°7410.10156.9
Jul28° / 18°689.6014.76.3
Aug28° / 18°6910.2013.76.0
Sep24° / 15°10312.3012.36.5
Oct20° / 11°11411010.96.2
Nov15° / 7690.19.64.9
Dec12° / 606.90.593.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45347
55446
65446
75446
85446
95446
105446
115545
125545
135545
145545
155446
165446
175446
185446
195446
205446
215446
225347
235446
245446
255446
265545
275545
285545
295545
305545
315545

Chance of precipitation in December

Any precipitationSnow

Salt gets around 60 mm of rain and snow over 6.9 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 23% and peaks near 28% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1280
2280
3280
4270
5271
6261
7261
8251
9251
10241
11232
12232
13222
14222
15222
16222
17212
18212
19212
20212
21212
22202
23202
24202
25202
26202
27202
28202
29202
30202
31202

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
5991
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 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 8:03 AM to 8:23 AM, and sunset from 5:14 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.28:035:14
29.18:055:13
39.18:055:13
49.18:065:13
59.18:075:13
69.18:085:13
79.18:095:13
89.08:105:13
99.08:115:13
109.08:125:13
119.08:135:13
129.08:135:13
139.08:145:13
149.08:155:13
159.08:165:13
169.08:165:14
179.08:175:14
188.98:175:14
198.98:185:15
208.98:195:15
218.98:195:16
228.98:205:16
238.98:205:16
248.98:215:17
258.98:215:18
268.98:215:18
279.08:225:19
289.08:225:19
299.08:225:20
309.08:225:21
319.08:235:21

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 6.47 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
51.8Dim
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
301.8Dim
311.9Dim
Planning a trip in December

Is December a good time to visit Salt?

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

3.7
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 Salt.

What to pack for Salt in December

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

In December, Salt sees daytime highs around 12°C and nights near 3°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Salt 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 30 km away) is warmest in August at about 24°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 21 to Oct 6 — about 3.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May16Cool
Jun20Cool
Jul22Refreshing
Aug24Refreshing
Sep22Refreshing
Oct19Cool
Nov17Cool
Dec15Bracing

UV index in Salt 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 Salt 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
Sep5High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Salt?

Salt sits at 42.0°N, 2.8°E, 86 m above sea level, in Spain. The nearest listed city is Girona, 3.0 km away.

Topography around Salt

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

Within 3 km, the terrain around Salt has only modest variations in elevation — a maximum elevation change of 143 m around an average of 95 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 952 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,890 m.

The land around Salt is covered by artificial surfaces (37%), trees (29%) and cropland (26%) within 3 km, trees (66%) and cropland (22%) within 16 km, and trees (47%) and water (33%) within 80 km.

3 km
143 m
16 km
952 m
80 km
2,890 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Girona 3.0 km · Banyoles 16 km · Sant Feliu de Guíxols 29 km · Lloret de Mar 31 km · Palamós 31 km · Tordera 31 km · Palafrugell 31 km · Blanes 33 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 Salt (41.9749°, 2.7928°, elevation 86 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).