Katumba weather in December

In December, Katumba sees average daytime highs of 24°C and overnight lows near 16°C, with 400 mm of rain across 27 wet days and about 12.5 hours of daylight. It is the 3rd-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 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 Katumba's 9th-clearest and 10th-windiest month. For the whole year in context, see Katumba's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
400 mm
27 wet days
Daylight
12 h 30 min
6:26 AM – 6:58 PM
Cloud cover
83%
9th clearest
Wind
5 km/h
10th windiest
Solar energy
5.68 kWh/m²
Travel score
4.1
out of 10

Katumba is ward of Tanzania.

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 Katumba reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°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
122416
132416
142416
152416
162416
172416
182416
192416
202416
212416
222416
232416
242416
252416
262416
272416
282416
292416
302416
312416

Katumba weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°45629.412.53.7
Feb24° / 16°36625.712.33.8
Mar23° / 16°36229.112.13.7
Apr22° / 15°18624.511.84.2
May21° / 13°4411.611.66.2
Jun19° / 10°93.311.57.2
Jul19° / 10°103.411.57.2
Aug21° / 11°82.411.78.0
Sep24° / 13°11311.98.4
Oct25° / 15°481012.27.0
Nov25° / 16°17918.712.45.4
Dec24° / 16°4002712.54.1

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 10% of December, with mostly cloudy or overcast conditions the remaining 84%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32575
42476
52377
62377
72179
82179
91882
101882
111684
121684
131684
141486
151486
161486
171387
181387
191387
201387
211288
221288
231288
241288
251189
261189
271189
281090
29991
30991
31892

Chance of precipitation in December

Any precipitation

Katumba gets around 400 mm of rain over 27 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 87% and peaks near 93% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
176
277
378
479
580
681
782
883
984
1085
1186
1287
1388
1488
1589
1689
1790
1890
1990
2091
2191
2291
2391
2491
2591
2691
2792
2892
2992
3092
3193

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 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
184249
284151
374053
463955
553857
653758
743561
843462
933364
1033265
1123167
1223068
1322969
1422870
1522771
1612772
1712673
1812673
1912574
2012574
2112574
2212574
2312574
2412475
2512475
2612475
2712475
2812475
2912376
3002377
3102278

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
16calm
26calm
36calm
46calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
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 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 6:20 AM to 6:33 AM, and sunset from 6:50 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:206:50
212.56:216:51
312.56:216:51
412.56:216:52
512.56:216:52
612.56:226:53
712.56:226:53
812.56:226:54
912.56:236:54
1012.56:236:55
1112.56:246:55
1212.56:246:56
1312.56:246:56
1412.56:256:57
1512.56:256:57
1612.56:266:58
1712.56:266:58
1812.56:276:59
1912.56:276:59
2012.56:277:00
2112.56:287:00
2212.56:287:01
2312.56:297:01
2412.56:297:02
2512.56:307:02
2612.56:307:03
2712.56:317:03
2812.56:317:03
2912.56:327:04
3012.56:327:04
3112.56:337:05

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.68 kWh/m².

For context, solar energy here swings from a low near 4.84 kWh/m² to a high of 6.95 kWh/m² in October across the year — December's 5.68 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Intense
46.0Bright
55.9Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.5Bright
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 Katumba

In seasonPeak

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

Katumba'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 Katumba?

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

4.1
Sightseeing
9th-best month of the year
3.5
Beach & pool
6th-best month of the year

December is a reasonable time to visit Katumba for sightseeing.

What to pack for Katumba in December

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

In December, Katumba sees daytime highs around 24°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 27 days see rain.

rain gearlight clothessun protection

UV index in Katumba 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 Katumba peaks around February 19 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 19UV 16Jun 16UV 10
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Katumba 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 Katumba is worst in October — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (May, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodOct 1219 µg/m³May 198 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar11Good
Apr9Good
May7Good
Jun8Good
Jul11Good
Aug15Moderate
Sep18Moderate
Oct19Moderate
Nov14Moderate
Dec10Good
Location & terrain

Where is Katumba?

Katumba sits at 9.2°S, 33.6°E, 1,387 m above sea level, in Tanzania. The nearest listed city is Tukuyu, 4.0 km away.

Topography around Katumba

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

Within 3 km, the terrain around Katumba has only modest variations in elevation — a maximum elevation change of 237 m around an average of 1,378 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,150 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,473 m.

The land around Katumba is covered by trees (77%) within 3 km, trees (68%) and shrubs (23%) within 16 km, and trees (36%), cropland (27%) and shrubs (24%) within 80 km.

3 km
237 m
16 km
2,150 m
80 km
2,473 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Tukuyu 4.0 km · Kiwira 11 km · Mbeya 41 km · Ipinda 42 km · Kyela 47 km · Utengule 48 km · Igurusi 50 km · Chimala 61 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 Katumba (-9.2333°, 33.6167°, elevation 1,387 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).