Manyoni weather in December

In December, Manyoni sees average daytime highs of 29°C and overnight lows near 19°C, with 130 mm of rain across 13.9 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 31% of the time in December, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Manyoni's 8th-clearest and 9th-windiest month. For the whole year in context, see Manyoni's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
19°
11th coldest
Rainfall
130 mm
13.9 wet days
Daylight
12 h 18 min
6:27 AM – 6:47 PM
Cloud cover
60%
8th clearest
Wind
10 km/h
9th windiest
Solar energy
6.26 kWh/m²
Travel score
5.3
out of 10

Manyoni is town in Singida 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 30°C in the first days to 28°C by the end.

A typical December day in Manyoni reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
42919
52919
62919
72919
82919
92919
102919
112919
122919
132919
142919
152919
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

Manyoni 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
Jan27° / 18°16017.512.35.3
Feb28° / 18°11414.212.25.5
Mar27° / 18°12413.8125.9
Apr27° / 18°6010.411.96.4
May27° / 17°92.311.77.7
Jun26° / 15°10.111.78.5
Jul25° / 14°0011.78.8
Aug26° / 15°10.111.88.5
Sep28° / 16°00.1127.9
Oct30° / 18°40.912.16.5
Nov30° / 19°424.612.35.5
Dec29° / 19°13013.912.35.3

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 20% of December, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36139
46139
56040
65941
75842
85743
95644
105545
115446
125347
135248
145050
155050
164951
174753
184753
194555
204654
214555
224555
234555
244456
254456
264456
274357
284357
294258
304258
314258

Chance of precipitation in December

Any precipitation

Manyoni gets around 130 mm of rain over 13.9 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 45% and peaks near 52% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
127
229
330
432
533
635
737
838
940
1041
1143
1245
1346
1448
1549
1650
1751
1851
1951
2052
2152
2252
2352
2452
2552
2651
2751
2851
2952
3052
3152

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12839285
22739295
32639305
42438326
52338336
62337346
72236367
82135377
92034398
101932408
111831429
1218304310
1317284410
1416274511
1516264612
1615254713
1715244814
1814224914
1914215015
2014205115
2113205116
2213195216
2312185317
2412185317
2511175517
2611175418
2710165618
2810165618
2910155619
309155620
319145621

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
312light breeze
412light breeze
512light breeze
612calm
712calm
811calm
911calm
1011calm
1111calm
1211calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 min at the start of December to 12 h 18 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 6:40 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:216:40
212.36:216:40
312.36:226:41
412.36:226:41
512.36:226:42
612.36:236:42
712.36:236:42
812.36:246:43
912.36:246:43
1012.36:246:44
1112.36:256:44
1212.36:256:45
1312.36:266:45
1412.36:266:46
1512.36:266:46
1612.36:276:47
1712.36:276:47
1812.36:286:48
1912.36:286:48
2012.36:296:49
2112.36:296:49
2212.36:306:50
2312.36:306:50
2412.36:316:51
2512.36:316:51
2612.36:326:51
2712.36:326:52
2812.36:326:52
2912.36:336:53
3012.36:336:53
3112.36:346:54

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.26 kWh/m².

For context, solar energy here swings from a low near 5.51 kWh/m² to a high of 7.32 kWh/m² in October across the year — December's 6.26 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.4Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.2Intense
316.2Intense
Planning a trip in December

Hazard calendar for Manyoni

In seasonPeak

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

Manyoni's rainy season runs December–March, 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 Manyoni?

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

5.3
Sightseeing
11th-best month of the year
6.3
Beach & pool
9th-best month of the year

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

What to pack for Manyoni in December

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

In December, Manyoni sees daytime highs around 29°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Manyoni 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 Manyoni peaks around March 11 at about 16 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 16Jun 17UV 10
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Manyoni 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 Manyoni is worst in October — around 15 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (May, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1315 µg/m³May 145 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb9Good
Mar8Good
Apr6Good
May5Good
Jun8Good
Jul11Good
Aug11Good
Sep13Moderate
Oct15Moderate
Nov8Good
Dec6Good
Location & terrain

Where is Manyoni?

Manyoni sits at 5.8°S, 34.8°E, 1,265 m above sea level, in Tanzania. The nearest listed city is Itigi, 39 km away.

IkungiMganduPumaMungaaSingidaDodomaSepuka

Topography around Manyoni

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

Within 3 km, the terrain around Manyoni has only modest variations in elevation — a maximum elevation change of 112 m around an average of 1,267 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 324 m; within 80 km, large variations in elevation — a maximum elevation change of 861 m.

The land around Manyoni is covered by cropland (36%) and grassland (28%) within 3 km, shrubs (31%), trees (24%) and cropland (23%) within 16 km, and shrubs (33%), cropland (24%) and trees (22%) within 80 km.

3 km
112 m
16 km
324 m
80 km
861 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Itigi 39 km · Ikungi 69 km · Mgandu 81 km · Puma 84 km · Mungaa 87 km · Singida 104 km · Dodoma 111 km · Sepuka 116 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 Manyoni (-5.75°, 34.8333°, elevation 1,265 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).