Valença weather in December

In December, Valença sees average daytime highs of 29°C and overnight lows near 24°C, with 71 mm of rain across 14.5 wet days and about 12.8 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 35% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of December to 12 h 48 min by month's end. Set against the rest of the year, December is Valença's 11th-clearest and 8th-windiest month. For the whole year in context, see Valença's year-round climate.

Daytime high
29°
4th warmest
Overnight low
24°
9th coldest
Rainfall
71 mm
14.5 wet days
Daylight
12 h 48 min
5:09 AM – 5:56 PM
Cloud cover
58%
11th clearest
Wind
11 km/h
8th windiest
Solar energy
6.21 kWh/m²
Travel score
5.0
out of 10

Valença is human settlement in Brazil.

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 29°C through the month.

A typical December day in Valença reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How December really feels in Valença

Once humidity and wind are folded in, December averages 25 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
25
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Valença weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°8718.912.74.4
Feb29° / 24°7718.712.44.2
Mar29° / 24°10521.912.14.1
Apr28° / 24°14523.611.74.1
May27° / 23°15422.511.44.7
Jun26° / 22°16123.411.24.7
Jul25° / 21°1392411.34.8
Aug25° / 21°11222.411.65.1
Sep26° / 21°8718.211.95.5
Oct27° / 22°7816.712.35.6
Nov28° / 23°9016.612.65.1
Dec29° / 24°7114.512.85.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34852
44852
54852
64852
74951
84852
94852
104951
114951
125050
135050
145050
155149
165248
175248
185347
195347
205446
215446
225446
235446
245545
255545
265545
275545
285545
295545
305644
315644

Chance of precipitation in December

Any precipitation

Valença gets around 71 mm of rain over 14.5 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 rain averages around 47% and peaks near 53% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
153
252
351
450
549
648
747
847
946
1045
1145
1245
1344
1444
1544
1644
1744
1845
1945
2045
2146
2246
2347
2447
2547
2647
2748
2848
2949
3049
3150

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
16931
26931
36931
45941
55941
65941
75941
85941
95941
105941
115941
125941
135941
145941
155941
165941
175950
185950
195950
205950
215950
225950
234960
244951
254951
264951
273961
283961
293952
303952
313952

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 12 h 42 min at the start of December to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:04 AM to 5:16 AM, and sunset from 5:48 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:045:48
212.75:045:49
312.75:055:49
412.75:055:50
512.85:055:50
612.85:055:51
712.85:065:51
812.85:065:52
912.85:065:52
1012.85:075:53
1112.85:075:53
1212.85:075:54
1312.85:085:54
1412.85:085:55
1512.85:095:55
1612.85:095:56
1712.85:095:56
1812.85:105:57
1912.85:105:57
2012.85:115:58
2112.85:115:58
2212.85:125:59
2312.85:125:59
2412.85:136:00
2512.85:136:00
2612.85:146:01
2712.85:146:01
2812.85:156:02
2912.85:156:02
3012.85:166:02
3112.85:166:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.21 kWh/m².

For context, solar energy here swings from a low near 3.7 kWh/m² to a high of 6.27 kWh/m² in January across the year — December's 6.21 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in December

Is December a good time to visit Valença?

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

5.0
Sightseeing
5th-best month of the year
6.3
Beach & pool
1st-best month of the year

December is a reasonable time to visit Valença for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Valença in December

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

In December, Valença sees daytime highs around 29°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Valença in December

The nearest coast averages about 27°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 March at about 28°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr28Tropical
May27Warm
Jun26Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Valença in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Valença peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 23UV 8
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Valença?

Valença sits at 13.4°S, 39.1°W, 9 m above sea level, in Brazil. The nearest listed city is Cairu, 13 km away.

Topography around Valença

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

Within 3 km, the terrain around Valença has only modest variations in elevation — a maximum elevation change of 140 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, large variations in elevation — a maximum elevation change of 928 m.

The land around Valença is covered by trees (50%) within 3 km, trees (67%) within 16 km, and trees (45%), water (30%) and grassland (22%) within 80 km.

3 km
140 m
16 km
222 m
80 km
928 m
treesgrasslandartificial surfaceswaterwetlandmangroves
December weather nearby: Cairu 13 km · Taperoá 19 km · Jaguaripe 34 km · Nazaré 38 km · Presidente Tancredo Neves 39 km · Ituberá 41 km · Laje 43 km · Santo Antônio de Jesus 49 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Valença (-13.3703°, -39.0731°, elevation 9 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).