Longonjo weather in December

In December, Longonjo sees average daytime highs of 24°C and overnight lows near 15°C, with 243 mm of rain across 23.2 wet days and about 12.7 hours of daylight. It is the 11th-warmest and 2nd-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 Longonjo's 12th-clearest and 10th-windiest month. For the whole year in context, see Longonjo's year-round climate.

Daytime high
24°
11th warmest
Overnight low
15°
10th coldest
Rainfall
243 mm
23.2 wet days
Daylight
12 h 48 min
5:32 AM – 6:18 PM
Cloud cover
85%
12th clearest
Wind
5 km/h
10th windiest
Solar energy
5.52 kWh/m²
Travel score
4.6
out of 10

Longonjo is settlement in Angola.

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 24°C through the month.

A typical December day in Longonjo 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 21°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)
12415
22415
32415
42415
52415
62415
72415
82415
92415
102415
112415
122415
132415
142415
152415
162415
172415
182415
192415
202415
212415
222415
232415
242415
252415
262415
272415
282415
292415
302415
312415

Longonjo weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 15°20320.312.75.0
Feb24° / 15°19117.912.45.1
Mar24° / 15°22723.912.14.6
Apr25° / 14°8213.411.76.3
May25° / 12°4111.48.9
Jun25° / 0011.39.5
Jul25° / 0011.39.3
Aug28° / 11°10.211.68.3
Sep29° / 13°244.311.96.5
Oct27° / 15°15419.512.35.0
Nov25° / 15°25724.812.64.3
Dec24° / 15°24323.212.74.6

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 6% of December, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
121090
131090
141090
151090
161090
171090
181090
191090
201189
211189
221189
231288
241288
251288
261387
271387
281387
291387
301486
311486

Chance of precipitation in December

Any precipitation

Longonjo gets around 243 mm of rain over 23.2 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 84% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
184
284
384
484
583
683
782
882
981
1080
1179
1279
1378
1477
1576
1675
1774
1873
1972
2071
2170
2270
2369
2468
2568
2667
2767
2867
2967
3067
3168

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
152075
252174
342175
442274
542373
642472
742571
842670
942769
1042868
1142967
1253065
1353065
1463163
1563262
1663361
1773360
1873459
1983458
2083557
2183656
2283755
2393754
2493853
2593952
2694051
2784052
2884151
2984250
3084250
3174350

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:10 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:286:10
212.75:286:10
312.75:286:11
412.75:286:12
512.75:296:12
612.75:296:13
712.75:296:13
812.75:306:14
912.75:306:14
1012.75:306:15
1112.75:316:15
1212.75:316:16
1312.85:316:16
1412.85:326:17
1512.85:326:17
1612.85:326:18
1712.85:336:18
1812.85:336:19
1912.85:346:19
2012.85:346:20
2112.85:356:20
2212.85:356:21
2312.85:366:21
2412.85:366:22
2512.85:376:22
2612.85:376:23
2712.85:386:23
2812.85:386:23
2912.85:396:24
3012.85:396:24
3112.85:406:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.52 kWh/m².

For context, solar energy here swings from a low near 5.4 kWh/m² to a high of 6.43 kWh/m² in September across the year — December's 5.52 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in December

Hazard calendar for Longonjo

In seasonPeak

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

Longonjo'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 Longonjo?

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
3.8
Beach & pool
11th-best month of the year

December is a reasonable time to visit Longonjo for sightseeing.

What to pack for Longonjo in December

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

In December, Longonjo 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 Longonjo 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 Longonjo 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 Longonjo 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 Longonjo 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 Longonjo?

Longonjo sits at 12.9°S, 15.2°E, 1,451 m above sea level, in Angola. The nearest listed city is Ucuma, 21 km away.

Topography around Longonjo

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

Within 3 km, the terrain around Longonjo has significant variations in elevation — a maximum elevation change of 323 m around an average of 1,470 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 981 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,623 m.

The land around Longonjo is covered by cropland (65%) within 3 km, shrubs (30%), cropland (30%) and trees (28%) within 16 km, and cropland (33%), shrubs (25%) and grassland (25%) within 80 km.

3 km
323 m
16 km
981 m
80 km
1,623 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Ucuma 21 km · Caála 34 km · Ecunna 38 km · Huambo 55 km · Ganda 68 km · Londuimbali 75 km · Balombo 80 km · Alto Hama 82 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 Longonjo (-12.9079°, 15.2485°, elevation 1,451 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).