Valls weather in December

In December, Valls sees average daytime highs of 13°C and overnight lows near 5°C, with 35 mm of precipitation across 5.2 wet days and about 9.1 hours of daylight. It is the 11th-warmest and 9th-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 h 06 min by month's end. Set against the rest of the year, December is Valls's 9th-clearest and 2nd-windiest month. For the whole year in context, see Valls's year-round climate.

Daytime high
13°
11th warmest
Overnight low
3rd coldest
Precipitation
35 mm
5.2 wet days
Daylight
9 hours
8:20 AM – 5:22 PM
Cloud cover
48%
9th clearest
Wind
11 km/h
2nd windiest
Solar energy
1.92 kWh/m²
Travel score
4.1
out of 10

Valls is capital town of the municipality of Valls, 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 13°C through the month.

A typical December day in Valls reaches about 13°C in the afternoon and slips back to 5°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 9°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)
1146
2146
3145
4145
5145
6145
7135
8135
9135
10135
11135
12135
13135
14135
15135
16135
17134
18134
19134
20134
21134
22134
23134
24124
25124
26124
27124
28124
29124
30124
31124

Valls weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 355.99.43.9
Feb14° / 274.910.34.8
Mar17° / 406.611.76.2
Apr19° / 528.113.16.6
May23° / 13°507.414.37.3
Jun27° / 17°325.614.97.3
Jul30° / 20°224.314.76.3
Aug30° / 20°456.713.75.9
Sep26° / 16°729.312.37.1
Oct22° / 13°687.810.97.0
Nov16° / 4769.75.8
Dec13° / 355.29.14.1

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 16% of December, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26139
36337
46337
56238
66238
76238
86238
96139
106139
116139
126040
136139
146040
156040
166040
175941
185941
195941
205941
215941
225941
235941
246040
256040
266139
276238
286238
296238
306337
316337

Chance of precipitation in December

Any precipitation

Valls gets around 35 mm of rain and snow over 5.2 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 17% and peaks near 18% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
118
218
318
418
517
617
717
817
917
1017
1117
1217
1317
1416
1517
1617
1717
1817
1917
2017
2117
2216
2316
2416
2516
2615
2715
2815
2915
3015
3115

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 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 12 min at the start of December to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 8:08 AM to 8:26 AM, and sunset from 5:22 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.28:085:22
29.28:095:22
39.28:105:22
49.28:105:21
59.28:115:21
69.18:125:21
79.18:135:21
89.18:145:21
99.18:155:21
109.18:165:21
119.18:175:21
129.18:175:21
139.18:185:22
149.08:195:22
159.08:195:22
169.08:205:22
179.08:215:23
189.08:215:23
199.08:225:23
209.08:225:24
219.08:235:24
229.08:235:24
239.08:245:25
249.08:245:25
259.08:255:26
269.08:255:27
279.08:255:27
289.08:265:28
299.08:265:28
309.08:265:29
319.18:265:30

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.92 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.92 kWh/m² to a high of 7.24 kWh/m² in June across the year — December's 1.92 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.0Moderate
32.0Moderate
42.0Moderate
52.0Moderate
62.0Dim
72.0Dim
82.0Dim
91.9Dim
101.9Dim
111.9Dim
121.9Dim
131.9Dim
141.9Dim
151.9Dim
161.9Dim
171.9Dim
181.9Dim
191.9Dim
201.9Dim
211.9Dim
221.9Dim
231.9Dim
241.9Dim
251.9Dim
261.9Dim
271.9Dim
281.9Dim
291.9Dim
302.0Dim
312.0Dim
Planning a trip in December

Is December a good time to visit Valls?

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

4.1
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a reasonable time to visit Valls for sightseeing.

What to pack for Valls in December

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

In December, Valls sees daytime highs around 13°C and nights near 5°C. Worth packing: a warm layer. About 5 days see rain.

a warm layer

Sea temperature near Valls 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 21 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Oct 27 — about 4.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep24Warm
Oct21Refreshing
Nov18Cool
Dec15Cool

UV index in Valls in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Valls peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 15UV 9Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May6High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Valls?

Valls sits at 41.3°N, 1.2°E, 223 m above sea level, in Spain. The nearest listed city is Tarragona, 19 km away.

Topography around Valls

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

Within 3 km, the terrain around Valls has only modest variations in elevation — a maximum elevation change of 168 m around an average of 223 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,102 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,321 m.

The land around Valls is covered by grassland (33%) and trees (26%) within 3 km, trees (44%) and grassland (23%) within 16 km, and trees (35%), water (24%) and cropland (21%) within 80 km.

3 km
168 m
16 km
1,102 m
80 km
1,321 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Tarragona 19 km · Reus 19 km · Torredembarra 20 km · Vila-seca 21 km · La Pineda 24 km · El Vendrell 25 km · Salou 25 km · Calafell 28 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 Valls (41.2861°, 1.2499°, elevation 223 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).