Mbala weather in December

In December, Mbala sees average daytime highs of 25°C and overnight lows near 18°C, with 263 mm of rain across 27.2 wet days and about 12.5 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°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 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 Mbala's 10th-clearest and 11th-windiest month. For the whole year in context, see Mbala's year-round climate.

Daytime high
25°
11th warmest
Overnight low
18°
8th coldest
Rainfall
263 mm
27.2 wet days
Daylight
12 h 30 min
5:35 AM – 6:06 PM
Cloud cover
83%
10th clearest
Wind
5 km/h
11th windiest
Solar energy
5.47 kWh/m²
Travel score
4.0
out of 10

Mbala is human settlement.

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 25°C through the month.

A typical December day in Mbala reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12619
22619
32619
42619
52518
62518
72518
82518
92518
102518
112518
122518
132518
142518
152518
162518
172518
182518
192518
202518
212518
222518
232518
242518
252518
262518
272518
282518
292518
302518
312518

Mbala weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 18°19724.612.54.3
Feb25° / 18°1592112.34.5
Mar26° / 19°21126.312.14.1
Apr26° / 18°10716.511.85.6
May27° / 17°102.611.68.0
Jun26° / 16°0011.58.8
Jul26° / 15°0011.59.0
Aug27° / 16°00.111.78.4
Sep29° / 18°30.811.96.8
Oct29° / 20°527.912.25.6
Nov27° / 19°20722.312.44.5
Dec25° / 18°26327.212.54.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22080
31981
41882
51783
61783
71684
81585
91585
101486
111387
121387
131387
141387
151387
161387
171387
181288
191288
201288
211288
221288
231288
241189
251090
261090
271090
281090
291090
30991
31892

Chance of precipitation in December

Any precipitation

Mbala gets around 263 mm of rain over 27.2 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 87% and peaks near 90% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
186
287
387
488
588
689
789
890
990
1090
1190
1290
1390
1490
1590
1690
1789
1888
1988
2087
2186
2286
2385
2485
2584
2684
2783
2883
2982
3082
3182

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
137126
237126
337126
437126
527226
627325
727325
827325
927226
1027226
1117326
1217326
1317326
1417326
1517326
1617326
1717326
1817326
1917326
2017227
2117227
2217227
2317227
2417227
2517227
2617326
2717326
2817326
2917326
3017425
3117425

Wind in December

Winds average 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:30 AM to 5:42 AM, and sunset from 5:59 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:305:59
212.55:305:59
312.55:316:00
412.55:316:00
512.55:316:01
612.55:316:01
712.55:326:02
812.55:326:02
912.55:336:03
1012.55:336:03
1112.55:336:04
1212.55:346:04
1312.55:346:05
1412.55:346:05
1512.55:356:06
1612.55:356:06
1712.55:366:07
1812.55:366:07
1912.55:376:08
2012.55:376:08
2112.55:386:08
2212.55:386:09
2312.55:396:09
2412.55:396:10
2512.55:396:10
2612.55:406:11
2712.55:406:11
2812.55:416:12
2912.55:416:12
3012.55:426:13
3112.55:426:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.47 kWh/m².

For context, solar energy here swings from a low near 5.35 kWh/m² to a high of 6.67 kWh/m² in September across the year — December's 5.47 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in December

Hazard calendar for Mbala

In seasonPeak

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

Mbala sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Mbala's monsoon runs November–March, when most of the year's rain falls.

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

Is December a good time to visit Mbala?

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

4.0
Sightseeing
12th-best month of the year
3.7
Beach & pool
12th-best month of the year

December is a reasonable time to visit Mbala for sightseeing.

What to pack for Mbala in December

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

In December, Mbala sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 27 days see rain.

rain gearlight clothessun protection

UV index in Mbala in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mbala peaks around February 17 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 17Jun 17UV 10
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Mbala 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 Mbala is worst in September — around 31 µg/m³ PM2.5 (moderate), about 5.2× the cleanest month (May, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1331 µg/m³May 146 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar9Good
Apr8Good
May6Good
Jun9Good
Jul18Moderate
Aug29Moderate
Sep31Moderate
Oct26Moderate
Nov13Moderate
Dec8Good
Location & terrain

Where is Mbala?

Mbala sits at 8.8°S, 31.4°E, 1,622 m above sea level, in Zambia. The nearest listed city is Mpulungu, 29 km away.

LaelaSumbawangaChalaMporokosoNamanyereKasama

Topography around Mbala

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

Within 3 km, the terrain around Mbala has only modest variations in elevation — a maximum elevation change of 137 m around an average of 1,623 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 791 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,499 m.

The land around Mbala is covered by cropland (41%) within 3 km, grassland (31%), trees (30%) and shrubs (20%) within 16 km, and trees (28%), cropland (25%) and grassland (20%) within 80 km.

3 km
137 m
16 km
791 m
80 km
1,499 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Mpulungu 29 km · Matai 62 km · Laela 81 km · Sumbawanga 101 km · Chala 140 km · Mporokoso 149 km · Namanyere 151 km · Kasama 154 km

Zambia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / D / G
230 V · 50 Hz
Prices
≈ 30% of US
price level, 2025
GDP per capita
$1,318
2025
Happiness
4.1 / 10
World Happiness, 2025
Homicide rate
5.2
per 100k, 2015
Road deaths
20.5
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 573
Religion
Protestant 75%Roman Catholic 20%other 3%none 2%

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 Mbala (-8.8402°, 31.3659°, elevation 1,622 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).