Mombaça weather in December

In December, Mombaça sees average daytime highs of 34°C and overnight lows near 23°C, with 22 mm of rain across 4.4 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 39% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Mombaça's 7th-clearest and 5th-windiest month. For the whole year in context, see Mombaça's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
23°
12th coldest
Rainfall
22 mm
4.4 wet days
Daylight
12 h 18 min
5:25 AM – 5:45 PM
Cloud cover
52%
7th clearest
Wind
14 km/h
5th windiest
Solar energy
6.22 kWh/m²
Travel score
3.6
out of 10

Mombaça is 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 34°C through the month.

A typical December day in Mombaça reaches about 34°C in the afternoon and slips back to 23°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, December runs on par with November and about 2°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13423
23423
33423
43423
53423
63423
73423
83423
93423
103423
113423
123423
133423
143423
153423
163423
173423
183423
193423
203423
213423
223423
233323
243323
253323
263323
273323
283323
293323
303323
313323

How December really feels in Mombaça

Once humidity and wind are folded in, December averages 31 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
31
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.

Mombaça weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°841312.33.6
Feb31° / 23°8815.512.23.6
Mar31° / 22°11918.9123.7
Apr30° / 22°10018.411.93.9
May30° / 22°6511.611.74.9
Jun30° / 21°316.311.75.5
Jul31° / 21°183.311.75.5
Aug32° / 21°81.311.85.0
Sep34° / 22°30.8124.3
Oct34° / 23°130.912.13.7
Nov34° / 23°61.112.33.6
Dec34° / 23°224.412.33.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66337
76337
86337
96238
106238
116238
126139
136139
146139
156139
166139
176040
186040
196040
205941
215941
225941
235842
245842
255743
265743
275644
285644
295545
305446
315347

Chance of precipitation in December

Any precipitation

Mombaça gets around 22 mm of rain over 4.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
15
25
35
46
56
67
77
88
99
1010
1111
1212
1313
1414
1515
1615
1716
1817
1917
2018
2119
2219
2320
2420
2521
2621
2722
2823
2924
3025
3126

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 56% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1355411
2354412
3354412
4353422
5253423
6252433
7252433
8250444
9249454
10248464
11247475
12146475
13145486
14144496
15142516
16141517
17140527
18140527
19139537
20138538
21137548
22136558
23135559
24134569
25133579
261335610
271325710
281315711
291305811
301295812
311285813

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 min at the start of December to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:19 AM to 5:32 AM, and sunset from 5:38 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:195:38
212.35:195:38
312.35:205:38
412.35:205:39
512.35:205:39
612.35:215:40
712.35:215:40
812.35:215:41
912.35:225:41
1012.35:225:42
1112.35:235:42
1212.35:235:43
1312.35:235:43
1412.35:245:44
1512.35:245:44
1612.35:255:45
1712.35:255:45
1812.35:265:46
1912.35:265:46
2012.35:275:47
2112.35:275:47
2212.35:275:47
2312.35:285:48
2412.35:285:48
2512.35:295:49
2612.35:295:49
2712.35:305:50
2812.35:305:50
2912.35:315:51
3012.35:315:51
3112.35:325:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.22 kWh/m².

For context, solar energy here swings from a low near 4.78 kWh/m² to a high of 6.95 kWh/m² in October across the year — December's 6.22 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.0Intense
266.0Intense
276.0Intense
286.0Bright
296.0Bright
306.0Bright
315.9Bright
Planning a trip in December

Hazard calendar for Mombaça

In seasonPeak

None of Mombaça's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Mombaça's rainy season runs January–May, when most of the year's rain falls.

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

Is December a good time to visit Mombaça?

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

3.6
Sightseeing
9th-best month of the year
6.9
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Mombaça. The water and warmth also suit a beach or pool day.

What to pack for Mombaça in December

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

In December, Mombaça sees daytime highs around 34°C and nights near 23°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Mombaça 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 Mombaça peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 13UV 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Mombaça?

Mombaça sits at 5.7°S, 39.6°W, 251 m above sea level, in Brazil. The nearest listed city is Piquet Carneiro, 24 km away.

Topography around Mombaça

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

Within 3 km, the terrain around Mombaça has only modest variations in elevation — a maximum elevation change of 75 m around an average of 258 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 497 m; within 80 km, large variations in elevation — a maximum elevation change of 754 m.

The land around Mombaça is covered by shrubs (49%) and grassland (42%) within 3 km, shrubs (66%) and grassland (30%) within 16 km, and shrubs (69%) and grassland (27%) within 80 km.

3 km
75 m
16 km
497 m
80 km
754 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Piquet Carneiro 24 km · Senador Pompeu 33 km · Pedra Branca 34 km · Acopiara 44 km · Solonópole 69 km · Boa Viagem 69 km · Quixeramobim 71 km · Quixelô 74 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 Mombaça (-5.7431°, -39.6275°, elevation 251 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. 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).