Mwandege weather in December

In December, Mwandege sees average daytime highs of 31°C and overnight lows near 25°C, with 91 mm of rain across 17.6 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

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

Daylight stretches from about 12 h 24 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Mwandege's 7th-clearest and 9th-windiest month. For the whole year in context, see Mwandege's year-round climate.

Daytime high
31°
4th warmest
Overnight low
25°
10th coldest
Rainfall
91 mm
17.6 wet days
Daylight
12 h 24 min
6:07 AM – 6:31 PM
Cloud cover
56%
7th clearest
Wind
10 km/h
9th windiest
Solar energy
6.25 kWh/m²
Travel score
3.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Mwandege reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125
313125

How December really feels in Mwandege

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Mwandege weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 25°5410.112.44.3
Feb32° / 25°599.412.24.0
Mar31° / 25°15822.6123.2
Apr29° / 24°20025.811.93.3
May29° / 23°13019.511.74.6
Jun28° / 22°329.511.66.4
Jul28° / 21°206.411.67.1
Aug28° / 21°21711.86.8
Sep29° / 21°206.3126.2
Oct30° / 23°5411.312.25.1
Nov30° / 24°8917.112.34.1
Dec31° / 25°9117.612.43.8

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 27% of December, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36238
46238
56139
66139
76139
86139
96139
106139
116040
126040
136040
146040
155941
165941
175941
185842
195842
205842
215743
225743
235743
245743
255644
265644
275545
285545
295446
305446
315446

Chance of precipitation in December

Any precipitation

Mwandege gets around 91 mm of rain over 17.6 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 56% and peaks near 65% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
164
264
364
464
565
665
765
865
964
1064
1164
1263
1363
1462
1561
1660
1759
1858
1956
2054
2153
2251
2349
2447
2546
2644
2742
2841
2939
3038
3138

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
117227
217128
317029
416930
516831
616732
706733
806535
906436
1006337
1106139
1206040
1305941
1405842
1505743
1605644
1705644
1805545
1905545
2005644
2105644
2205743
2305842
2405941
2506040
2606238
2706337
2806436
2906634
3006733
3106832

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 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2612calm
2712calm
2812calm
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 24 min at the start of December to 12 h 24 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 6:01 AM to 6:14 AM, and sunset from 6:24 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:016:24
212.46:026:24
312.46:026:25
412.46:026:25
512.46:036:26
612.46:036:26
712.46:036:27
812.46:046:27
912.46:046:28
1012.46:046:28
1112.46:056:29
1212.46:056:29
1312.46:066:30
1412.46:066:30
1512.46:066:31
1612.46:076:31
1712.46:076:32
1812.46:086:32
1912.46:086:33
2012.46:096:33
2112.46:096:34
2212.46:106:34
2312.46:106:34
2412.46:116:35
2512.46:116:35
2612.46:126:36
2712.46:126:36
2812.46:136:37
2912.46:136:37
3012.46:146:38
3112.46:146:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.25 kWh/m².

For context, solar energy here swings from a low near 4.75 kWh/m² to a high of 6.51 kWh/m² in October across the year — December's 6.25 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in December

Hazard calendar for Mwandege

In seasonPeak

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

Mwandege sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Mwandege's rainy season runs March–May, when most of the year's rain falls.

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

Is December a good time to visit Mwandege?

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

3.8
Sightseeing
10th-best month of the year
5.6
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Mwandege.

What to pack for Mwandege in December

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

In December, Mwandege sees daytime highs around 31°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Mwandege in December

The nearest coast averages about 29°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 15 km away) is warmest in March at about 29°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec29Tropical

UV index in Mwandege in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mwandege peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 15UV 14Jun 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Mwandege 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 Mwandege is worst in July — around 22 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1522 µg/m³Nov 1515 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb20Moderate
Mar18Moderate
Apr16Moderate
May18Moderate
Jun21Moderate
Jul22Moderate
Aug20Moderate
Sep19Moderate
Oct17Moderate
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Mwandege?

Mwandege sits at 7.0°S, 39.3°E, 22 m above sea level, in Tanzania. The nearest listed city is Vikindu, 4.0 km away.

Topography around Mwandege

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

Within 3 km, the terrain around Mwandege has only modest variations in elevation — a maximum elevation change of 77 m around an average of 62 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 170 m; within 80 km, significant variations in elevation — a maximum elevation change of 440 m.

The land around Mwandege is covered by trees (59%) within 3 km, grassland (42%), trees (29%) and artificial surfaces (24%) within 16 km, and water (47%), grassland (26%) and trees (21%) within 80 km.

3 km
77 m
16 km
170 m
80 km
440 m
treesshrubsgrasslandartificial surfaceswatermangroves
December weather nearby: Vikindu 4.0 km · Dar es Salaam 17 km · Mkuranga 18 km · Magomeni 20 km · Kibaha 47 km · Mapinga 48 km · Sokoni 67 km · Mlandizi 69 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 Mwandege (-6.9756°, 39.2893°, elevation 22 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).