Tunduma weather in December

In December, Tunduma sees average daytime highs of 26°C and overnight lows near 17°C, with 249 mm of rain across 25.2 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 6% 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 Tunduma's 9th-clearest and 10th-windiest month. For the whole year in context, see Tunduma's year-round climate.

Daytime high
26°
4th warmest
Overnight low
17°
11th coldest
Rainfall
249 mm
25.2 wet days
Daylight
12 h 30 min
6:29 AM – 7:01 PM
Cloud cover
81%
9th clearest
Wind
6 km/h
10th windiest
Solar energy
5.7 kWh/m²
Travel score
4.2
out of 10

Tunduma is border town in Songwe Region, Tanzania.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 25°C by the end.

A typical December day in Tunduma reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52717
62717
72717
82617
92617
102617
112617
122617
132617
142617
152617
162617
172617
182617
192617
202617
212517
222517
232517
242517
252517
262517
272517
282517
292517
302517
312517

Tunduma weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°27828.512.53.8
Feb25° / 17°21924.712.33.9
Mar25° / 17°24827.512.14.0
Apr25° / 16°12117.211.85.7
May25° / 15°143.211.68.2
Jun24° / 13°00.111.59.1
Jul24° / 12°0011.59.1
Aug26° / 13°10.211.78.8
Sep28° / 15°30.611.97.6
Oct30° / 17°204.812.25.9
Nov29° / 17°11014.512.45.0
Dec26° / 17°24925.212.54.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 82%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42674
52674
62476
72476
82278
92278
102080
112080
121882
131882
141882
151684
161684
171585
181585
191486
201387
211387
221387
231387
241387
251288
261288
271288
281189
291090
301090
31991

Chance of precipitation in December

Any precipitation

Tunduma gets around 249 mm of rain over 25.2 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 81% and peaks near 89% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
166
268
369
470
572
673
774
876
977
1079
1180
1281
1382
1483
1584
1684
1785
1885
1985
2086
2186
2286
2386
2487
2587
2687
2787
2888
2988
3088
3189

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 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11528570
21427590
31326610
41225630
51125640
61024660
7923680
8822700
9722710
10621730
11520750
12419770
13419770
14318790
15317800
16316810
17216820
18215821
19214831
20213841
21212851
22212851
23211852
24210862
2529872
2628873
2728873
2827874
2917884
3016894
3116894

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 6:24 AM to 6:36 AM, and sunset from 6:54 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:246:54
212.56:246:54
312.56:246:55
412.56:246:55
512.56:256:56
612.56:256:56
712.56:256:57
812.56:266:57
912.56:266:58
1012.56:266:58
1112.56:276:59
1212.56:276:59
1312.56:287:00
1412.56:287:00
1512.56:287:01
1612.56:297:01
1712.56:297:02
1812.56:307:02
1912.56:307:03
2012.56:317:03
2112.56:317:04
2212.56:327:04
2312.56:327:05
2412.56:337:05
2512.56:337:06
2612.56:347:06
2712.56:347:06
2812.56:357:07
2912.56:357:07
3012.56:367:08
3112.56:367:08

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.7 kWh/m².

For context, solar energy here swings from a low near 5.29 kWh/m² to a high of 6.94 kWh/m² in October across the year — December's 5.7 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Intense
56.0Bright
65.9Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Tunduma

In seasonPeak

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

Tunduma's monsoon runs December–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 Tunduma?

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

4.2
Sightseeing
9th-best month of the year
4.1
Beach & pool
9th-best month of the year

December is a reasonable time to visit Tunduma for sightseeing.

What to pack for Tunduma in December

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

In December, Tunduma sees daytime highs around 26°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 25 days see rain.

rain gearlight clothessun protection

UV index in Tunduma 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 Tunduma peaks around February 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 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 16Jun 16UV 10
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec14Extreme

Air quality in Tunduma 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 Tunduma is worst in October — around 20 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (May, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodOct 1020 µg/m³May 218 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar12Good
Apr10Good
May8Good
Jun8Good
Jul11Good
Aug16Moderate
Sep20Moderate
Oct20Moderate
Nov14Moderate
Dec10Good
Location & terrain

Where is Tunduma?

Tunduma sits at 9.3°S, 32.8°E, 1,698 m above sea level, in Tanzania. The nearest listed city is Nakonde, 5.0 km away.

ChitipaUtenguleKiwiraMbeyaKatumba

Topography around Tunduma

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

Within 3 km, the terrain around Tunduma has significant variations in elevation — a maximum elevation change of 250 m around an average of 1,612 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 491 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,595 m.

The land around Tunduma is covered by artificial surfaces (49%) and cropland (38%) within 3 km, cropland (58%) and shrubs (24%) within 16 km, and cropland (31%), shrubs (25%) and grassland (23%) within 80 km.

3 km
250 m
16 km
491 m
80 km
1,595 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Nakonde 5.0 km · Vwawa 28 km · Mlowo 41 km · Chitipa 71 km · Utengule 76 km · Kiwira 86 km · Mbeya 87 km · Katumba 94 km

Tanzania travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$1,319
2025
Happiness
3.9 / 10
World Happiness, 2025
Safe drinking water
31%
of population, 2024
Homicide rate
3.7
per 100k, 2020
Road deaths
31.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 479
Religion
Christian 63%Muslim 34%folk religion 1%

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 Tunduma (-9.3°, 32.7667°, elevation 1,698 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).