Calumbo weather in December

In December, Calumbo sees average daytime highs of 31°C and overnight lows near 23°C, with 69 mm of rain across 11.6 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 4% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Calumbo's 10th-clearest and 7th-windiest month. For the whole year in context, see Calumbo's year-round climate.

Daytime high
31°
4th warmest
Overnight low
23°
8th coldest
Rainfall
69 mm
11.6 wet days
Daylight
12 h 30 min
5:47 AM – 6:18 PM
Cloud cover
78%
10th clearest
Wind
6 km/h
7th windiest
Solar energy
5.12 kWh/m²
Travel score
3.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Calumbo reaches about 31°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How December really feels in Calumbo

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.

Calumbo weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°7110.312.53.7
Feb33° / 23°7210.712.33.4
Mar32° / 24°11615.912.13.2
Apr31° / 24°12916.711.83.5
May31° / 22°12211.65.2
Jun30° / 19°0011.56.7
Jul28° / 18°0011.57.5
Aug29° / 18°20.211.77.0
Sep30° / 20°61.411.95.9
Oct30° / 22°184.212.25.1
Nov31° / 23°6712.112.44.1
Dec31° / 23°6911.612.53.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
41684
51684
61684
71684
81684
91684
101585
111585
121585
131585
141585
151585
161585
171684
181684
191783
201783
211783
221882
231882
241882
251981
261981
272080
282080
292080
302179
312179

Chance of precipitation in December

Any precipitation

Calumbo gets around 69 mm of rain over 11.6 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 37% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
342
442
541
641
740
839
939
1038
1137
1237
1336
1435
1535
1634
1734
1834
1934
2035
2135
2235
2335
2436
2536
2636
2736
2836
2936
3036
3136

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1127711
2127711
3127711
4128701
5128701
6028711
7029701
8030691
9031681
10032671
11033661
12034651
13135631
14136621
15137611
16138601
17139591
18140581
19140581
20240571
21241561
22241561
23241561
24241552
25241552
26242542
27242542
28241552
29241543
30241543
31241543

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 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
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 12 h 30 min at the start of December to 12 h 30 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 5:41 AM to 5:54 AM, and sunset from 6:11 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:416:11
212.55:416:11
312.55:426:12
412.55:426:12
512.55:426:13
612.55:436:13
712.55:436:14
812.55:436:14
912.55:446:15
1012.55:446:15
1112.55:456:16
1212.55:456:16
1312.55:456:17
1412.55:466:17
1512.55:466:18
1612.55:476:18
1712.55:476:19
1812.55:476:19
1912.55:486:20
2012.55:486:20
2112.55:496:21
2212.55:496:21
2312.55:506:22
2412.55:506:22
2512.55:516:23
2612.55:516:23
2712.55:526:24
2812.55:526:24
2912.55:536:24
3012.55:536:25
3112.55:546:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.12 kWh/m².

For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 5.56 kWh/m² in February across the year — December's 5.12 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Hazard calendar for Calumbo

In seasonPeak

In December, Calumbo sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Calumbo's rainy season runs November–April, 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 Calumbo?

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

3.9
Sightseeing
8th-best month of the year
6.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Calumbo.

What to pack for Calumbo in December

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

In December, Calumbo sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Calumbo in December

The nearest coast averages about 26°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 41 km away) is warmest in March at about 28°C and coldest in August near 20°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar28Warm
Apr27Warm
May25Warm
Jun23Refreshing
Jul21Refreshing
Aug20Refreshing
Sep21Refreshing
Oct24Refreshing
Nov26Warm
Dec26Warm

UV index in Calumbo 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 Calumbo peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 11 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeMar 12UV 15Aug 11UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May9Very high
Jun7Very high
Jul6High
Aug6High
Sep10Very high
Oct11Extreme
Nov12Extreme
Dec12Extreme

Air quality in Calumbo in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Calumbo is worst in July — around 47 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (January, 23 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1847 µg/m³Jan 1923 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb24Moderate
Mar29Moderate
Apr34Moderate
May35Moderate
Jun41Poor
Jul47Poor
Aug43Poor
Sep32Moderate
Oct27Moderate
Nov25Moderate
Dec26Moderate
Location & terrain

Where is Calumbo?

Calumbo sits at 9.1°S, 13.4°E, 15 m above sea level, in Angola. The nearest listed city is Zango, 15 km away.

Topography around Calumbo

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

Within 3 km, the terrain around Calumbo has only modest variations in elevation — a maximum elevation change of 106 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 182 m; within 80 km, significant variations in elevation — a maximum elevation change of 257 m.

The land around Calumbo is covered by wetland (42%) and grassland (41%) within 3 km, grassland (54%) and wetland (20%) within 16 km, and water (32%), grassland (31%) and trees (28%) within 80 km.

3 km
106 m
16 km
182 m
80 km
257 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Zango 15 km · Vila Flor 22 km · Viana 27 km · Camama 29 km · Mulenvos 33 km · Nova Vida 34 km · Golfe 36 km · Benfica 36 km

Angola travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$3,129
2025
Happiness
3.8 / 10
World Happiness, 2017
Homicide rate
4.1
per 100k, 2016
Road deaths
26.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 413
Religion
Roman Catholic 41%Protestant 38%none 12%other 9%

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 Calumbo (-9.1469°, 13.4194°, elevation 15 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).