Musoma weather in December

In December, Musoma sees average daytime highs of 26°C and overnight lows near 21°C, with 140 mm of rain across 20.4 wet days and about 12.1 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 21% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Musoma's 8th-clearest and 11th-windiest month. For the whole year in context, see Musoma's year-round climate.

Daytime high
26°
11th warmest
Overnight low
21°
4th coldest
Rainfall
140 mm
20.4 wet days
Daylight
12 h 06 min
6:38 AM – 6:44 PM
Cloud cover
66%
8th clearest
Wind
8 km/h
11th windiest
Solar energy
5.65 kWh/m²
Travel score
5.1
out of 10

Musoma is city.

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 26°C through the month.

A typical December day in Musoma reaches about 26°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12621
22621
32621
42621
52621
62621
72621
82621
92621
102621
112621
122621
132621
142621
152621
162621
172621
182621
192621
202621
212621
222621
232621
242621
252621
262621
272621
282621
292621
302621
312621

Musoma weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 21°9316.112.15.7
Feb27° / 21°8112.8125.9
Mar27° / 21°14018.5125.2
Apr26° / 21°17821.7124.5
May26° / 21°11516.711.95.6
Jun27° / 21°428.611.96.8
Jul27° / 20°255.811.97.2
Aug27° / 21°549.7126.7
Sep27° / 21°6712126.2
Oct26° / 21°12618.9125.1
Nov26° / 21°15021.412.14.7
Dec26° / 21°14020.412.15.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23070
33169
43169
53169
63169
73367
83367
93466
103565
113763
123763
133862
143961
153961
164060
174159
184258
194357
204357
214357
224456
234456
244456
254555
264654
274753
284753
294852
304852
314753

Chance of precipitation in December

Any precipitation

Musoma gets around 140 mm of rain over 20.4 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 65% and peaks near 73% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
173
273
373
473
572
672
772
871
971
1070
1170
1269
1368
1467
1566
1665
1765
1864
1963
2063
2162
2262
2361
2460
2559
2659
2758
2858
2957
3057
3156

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 89% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)
11189
21189
31189
41189
51189
61189
71090
81090
91090
101090
111090
121090
131189
141189
151189
161189
171189
181189
191189
201189
211189
221189
231090
241090
251090
261090
271090
281090
291090
301090
311090

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 06 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 6:32 AM to 6:45 AM, and sunset from 6:37 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:326:37
212.16:336:37
312.16:336:38
412.16:336:38
512.16:346:39
612.16:346:39
712.16:346:39
812.16:356:40
912.16:356:40
1012.16:366:41
1112.16:366:41
1212.16:376:42
1312.16:376:42
1412.16:376:43
1512.16:386:43
1612.16:386:44
1712.16:396:44
1812.16:396:44
1912.16:406:45
2012.16:406:45
2112.16:416:46
2212.16:416:46
2312.16:426:47
2412.16:426:47
2512.16:436:48
2612.16:436:48
2712.16:446:49
2812.16:446:49
2912.16:446:50
3012.16:456:50
3112.16:456:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.65 kWh/m².

For context, solar energy here swings from a low near 5.52 kWh/m² to a high of 6.42 kWh/m² in February across the year — December's 5.65 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Is December a good time to visit Musoma?

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

5.1
Sightseeing
9th-best month of the year
4.8
Beach & pool
10th-best month of the year

December is a reasonable time to visit Musoma for sightseeing.

What to pack for Musoma in December

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

In December, Musoma sees daytime highs around 26°C and nights near 21°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

UV index in Musoma in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Musoma peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 16UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Musoma 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 Musoma is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (April, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 1521 µg/m³Apr 1510 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb16Moderate
Mar12Good
Apr10Good
May12Good
Jun19Moderate
Jul21Moderate
Aug18Moderate
Sep16Moderate
Oct12Good
Nov10Good
Dec12Good
Location & terrain

Where is Musoma?

Musoma sits at 1.5°S, 33.8°E, 1,148 m above sea level, in Tanzania. The nearest listed city is Butiama, 35 km away.

IsebaniaSirariMatongo

Topography around Musoma

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

Within 3 km, the terrain around Musoma has only modest variations in elevation — a maximum elevation change of 96 m around an average of 1,149 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 269 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.

The land around Musoma is covered by water (44%) and artificial surfaces (32%) within 3 km, water (37%) and cropland (31%) within 16 km, and water (48%) and cropland (24%) within 80 km.

3 km
96 m
16 km
269 m
80 km
656 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Butiama 35 km · Shirati 46 km · Nyamuswa 51 km · Bunda 59 km · Tarime 65 km · Isebania 80 km · Sirari 80 km · Matongo 80 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 Musoma (-1.5°, 33.8°, elevation 1,148 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).