Ucuma weather in December

In December, Ucuma sees average daytime highs of 24°C and overnight lows near 15°C, with 239 mm of rain across 23.1 wet days and about 12.7 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 5% of the time in December, and the air most often feels humid.

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 Ucuma's 12th-clearest and 10th-windiest month. For the whole year in context, see Ucuma's year-round climate.

Daytime high
24°
12th warmest
Overnight low
15°
11th coldest
Rainfall
239 mm
23.1 wet days
Daylight
12 h 48 min
5:33 AM – 6:19 PM
Cloud cover
84%
12th clearest
Wind
4 km/h
10th windiest
Solar energy
5.51 kWh/m²
Travel score
4.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical December day in Ucuma reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82416
92416
102416
112416
122415
132415
142415
152415
162415
172415
182415
192415
202415
212415
222415
232415
242415
252415
262415
272415
282415
292415
302415
312415

Ucuma weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 15°19819.712.75.1
Feb25° / 15°1951812.45.1
Mar25° / 15°2562412.14.5
Apr25° / 15°9713.911.76.1
May26° / 12°4111.48.7
Jun26° / 10°0011.39.3
Jul26° / 10°0011.39.1
Aug29° / 12°10.311.67.5
Sep30° / 14°26511.96.0
Oct28° / 15°16721.112.34.7
Nov25° / 16°27425.112.64.2
Dec24° / 15°23923.112.74.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 7% of December, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51090
61090
71090
81090
91090
101189
111189
121090
131090
141090
151288
161288
171288
181288
191288
201387
211387
221486
231486
241486
251486
261585
271585
281585
291585
301585
311585

Chance of precipitation in December

Any precipitation

Ucuma gets around 239 mm of rain over 23.1 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 75% and peaks near 85% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
385
485
584
684
783
883
982
1081
1180
1279
1378
1477
1576
1675
1774
1873
1972
2071
2170
2269
2368
2467
2566
2666
2765
2865
2965
3065
3165

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1214831
2214831
3213841
4214831
5214831
6214840
7215830
8216820
9216820
10317800
11318790
12319780
13321760
14422740
15423730
16425710
17526690
18527671
19528661
20629641
21630631
22631621
23632611
24633592
25634582
26634582
27635572
28635572
29635572
30535582
31536572

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:28 AM to 5:40 AM, and sunset from 6:11 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:286:11
212.75:286:11
312.75:296:12
412.75:296:12
512.75:296:13
612.75:306:13
712.75:306:14
812.75:306:15
912.75:316:15
1012.75:316:16
1112.75:316:16
1212.85:326:17
1312.85:326:17
1412.85:326:18
1512.85:336:18
1612.85:336:19
1712.85:346:19
1812.85:346:20
1912.85:346:20
2012.85:356:21
2112.85:356:21
2212.85:366:22
2312.85:366:22
2412.85:376:23
2512.85:376:23
2612.85:386:23
2712.85:386:24
2812.85:396:24
2912.85:396:25
3012.85:406:25
3112.85:406:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.51 kWh/m².

For context, solar energy here swings from a low near 5.42 kWh/m² to a high of 6.37 kWh/m² in September across the year — December's 5.51 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for Ucuma

In seasonPeak

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

Ucuma's monsoon runs October–March, when most of the year's rain falls.

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

Is December a good time to visit Ucuma?

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

4.6
Sightseeing
10th-best month of the year
4.0
Beach & pool
11th-best month of the year

December is a reasonable time to visit Ucuma for sightseeing.

What to pack for Ucuma in December

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

In December, Ucuma sees daytime highs around 24°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

UV index in Ucuma in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ucuma peaks around January 18 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 20 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 18UV 17Jul 20UV 9
UV index (midday)Level
Jan17Extreme
Feb15Extreme
Mar16Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug9Very high
Sep11Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Ucuma 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 Ucuma is worst in August — around 101 µg/m³ PM2.5 (unhealthy), about 10.6× the cleanest month (January, 10 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateGoodAug 1298 µg/m³Jan 110 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar12Moderate
Apr14Moderate
May27Moderate
Jun53Poor
Jul87Unhealthy
Aug101Unhealthy
Sep43Poor
Oct19Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Ucuma?

Ucuma sits at 13.0°S, 15.1°E, 1,906 m above sea level, in Angola. The nearest listed city is Longonjo, 21 km away.

LonduimbaliCubal

Topography around Ucuma

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

Within 3 km, the terrain around Ucuma has significant variations in elevation — a maximum elevation change of 333 m around an average of 1,901 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 864 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,833 m.

The land around Ucuma is covered by grassland (46%) and trees (27%) within 3 km, trees (30%), cropland (30%) and shrubs (25%) within 16 km, and cropland (34%), shrubs (27%) and grassland (23%) within 80 km.

3 km
333 m
16 km
864 m
80 km
1,833 m
treesshrubsgrasslandcropland
December weather nearby: Longonjo 21 km · Ganda 46 km · Caála 56 km · Ecunna 58 km · Balombo 74 km · Huambo 76 km · Londuimbali 85 km · Cubal 89 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 Ucuma (-12.9612°, 15.0596°, elevation 1,906 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. 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).