Mbulu weather in December

In December, Mbulu sees average daytime highs of 27°C and overnight lows near 17°C, with 117 mm of rain across 11.5 wet days and about 12.2 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 31% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 12 min by month's end. Set against the rest of the year, December is Mbulu's 8th-clearest and 10th-windiest month. For the whole year in context, see Mbulu's year-round climate.

Daytime high
27°
6th warmest
Overnight low
17°
10th coldest
Rainfall
117 mm
11.5 wet days
Daylight
12 h 12 min
6:27 AM – 6:41 PM
Cloud cover
58%
8th clearest
Wind
10 km/h
10th windiest
Solar energy
6.08 kWh/m²
Travel score
6.3
out of 10

Mbulu is city in Mbulu district, Manyara, Tanzania.

Founded
1907

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 27°C through the month.

A typical December day in Mbulu reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52717
62717
72717
82717
92717
102717
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717
312717

Mbulu weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°13111.412.26.3
Feb28° / 18°831012.16.2
Mar27° / 18°11311.7126.2
Apr25° / 17°1061411.96.1
May24° / 16°336.211.87.6
Jun24° / 14°40.711.88.4
Jul24° / 13°10.311.88.6
Aug25° / 14°10.211.98.6
Sep26° / 15°10.2128.4
Oct28° / 16°132.712.17.6
Nov27° / 17°607.412.26.8
Dec27° / 17°11711.512.26.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65446
75446
85446
95446
105347
115347
125347
135248
145248
155149
165149
175050
185149
195050
204951
214951
224951
235050
245050
255050
265050
275050
285050
295050
305050
315050

Chance of precipitation in December

Any precipitation

Mbulu gets around 117 mm of rain over 11.5 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 37% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
129
229
330
431
531
632
733
834
935
1036
1137
1238
1338
1439
1540
1640
1741
1841
1941
2041
2141
2240
2340
2440
2539
2639
2739
2838
2938
3038
3138

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the comfortable band about 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1205426
2205327
3205327
4205228
5205129
6205129
7214930
8214831
9214732
10214633
11214533
12224434
13224335
14224236
15224137
16224038
17223939
18233839
19233840
20233740
21233740
22233740
23243640
24243740
25243739
26243739
27243739
28243738
29243738
30253838
31253837

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 min at the start of December to 12 h 12 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 6:21 AM to 6:34 AM, and sunset from 6:34 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:216:34
212.26:226:34
312.26:226:35
412.26:226:35
512.26:236:36
612.26:236:36
712.26:246:36
812.26:246:37
912.26:246:37
1012.26:256:38
1112.26:256:38
1212.26:266:39
1312.26:266:39
1412.26:266:40
1512.26:276:40
1612.26:276:41
1712.26:286:41
1812.26:286:42
1912.26:296:42
2012.26:296:43
2112.26:306:43
2212.26:306:44
2312.26:316:44
2412.26:316:44
2512.26:326:45
2612.26:326:45
2712.26:336:46
2812.26:336:46
2912.26:336:47
3012.26:346:47
3112.26:346:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.08 kWh/m².

For context, solar energy here swings from a low near 5.3 kWh/m² to a high of 6.76 kWh/m² in October across the year — December's 6.08 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.2Intense
Planning a trip in December

Hazard calendar for Mbulu

In seasonPeak

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

Mbulu's rainy season runs November–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Mbulu?

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

6.3
Sightseeing
8th-best month of the year
6.4
Beach & pool
10th-best month of the year

December is a reasonable time to visit Mbulu for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mbulu in December

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

In December, Mbulu sees daytime highs around 27°C and nights near 17°C. Pack sun protection. Worth having: light clothes and rain gear. About 12 days see rain.

sun protectionlight clothesrain gear

UV index in Mbulu 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 Mbulu peaks around March 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Mbulu?

Mbulu sits at 3.9°S, 35.5°E, 1,815 m above sea level, in Tanzania. The nearest listed city is Dongobesh, 29 km away.

Topography around Mbulu

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

Within 3 km, the terrain around Mbulu has significant variations in elevation — a maximum elevation change of 321 m around an average of 1,792 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,175 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,403 m.

The land around Mbulu is covered by cropland (60%) within 3 km, shrubs (38%), trees (23%) and cropland (23%) within 16 km, and shrubs (28%), grassland (27%) and cropland (22%) within 80 km.

3 km
321 m
16 km
1,175 m
80 km
2,403 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Dongobesh 29 km · Magugu 32 km · Dareda 41 km · Bashanet 45 km · Babati 47 km · Galappo 58 km · Kiratu 59 km · Mto wa Mbu 66 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 Mbulu (-3.85°, 35.5333°, elevation 1,815 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).