Mvomero weather in December

In December, Mvomero sees average daytime highs of 30°C and overnight lows near 25°C, with 86 mm of rain across 19.6 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 30°C through the month. The sky is clear or mostly clear about 48% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Mvomero's 4th-clearest and 3rd-windiest month. For the whole year in context, see Mvomero's year-round climate.

Daytime high
30°
4th warmest
Overnight low
25°
9th coldest
Rainfall
86 mm
19.6 wet days
Daylight
12 h 24 min
6:11 AM – 6:32 PM
Cloud cover
48%
4th clearest
Wind
12 km/h
3rd windiest
Solar energy
6.03 kWh/m²
Travel score
4.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Mvomero reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°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)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283026
293026
303026
313026

How December really feels in Mvomero

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.

Mvomero 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
Jan30° / 26°449.712.35.1
Feb30° / 26°41912.24.9
Mar30° / 25°11921.8123.6
Apr29° / 24°16924.411.93.5
May29° / 23°13017.311.74.9
Jun28° / 22°277.111.66.2
Jul28° / 21°185.111.76.7
Aug28° / 21°237.811.86.6
Sep29° / 22°247.3126.2
Oct29° / 23°6013.412.15.2
Nov30° / 24°8220.512.34.1
Dec30° / 25°8619.612.44.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27327
37327
47327
57228
67228
77228
87228
97228
107228
117228
127129
137129
147030
157030
166931
176832
186733
196733
206634
216535
226535
236535
246535
256535
266436
276436
286436
296436
306337
316337

Chance of precipitation in December

Any precipitation

Mvomero gets around 86 mm of rain over 19.6 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 62% and peaks near 72% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
172
272
372
472
572
672
771
871
970
1070
1170
1269
1369
1468
1567
1666
1765
1864
1963
2061
2159
2258
2356
2454
2552
2650
2749
2847
2945
3043
3142

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16634
26634
36634
46535
56436
66436
76337
86238
96139
106040
115941
125743
135644
145545
155446
165446
175347
185347
195347
205347
215446
225446
235545
245644
255743
265842
275842
285941
296040
306139
316238

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1412calm
1512calm
1612light breeze
1712light breeze
1812light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 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 6 minutes over December. Sunrise moves from 6:05 AM to 6:18 AM, and sunset from 6:25 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:056:25
212.36:056:26
312.36:066:26
412.36:066:27
512.36:066:27
612.36:076:27
712.36:076:28
812.46:076:28
912.46:086:29
1012.46:086:29
1112.46:096:30
1212.46:096:30
1312.46:096:31
1412.46:106:31
1512.46:106:32
1612.46:116:32
1712.46:116:33
1812.46:126:33
1912.46:126:34
2012.46:126:34
2112.46:136:35
2212.46:136:35
2312.46:146:36
2412.46:146:36
2512.46:156:37
2612.46:156:37
2712.46:166:37
2812.46:166:38
2912.46:176:38
3012.46:176:39
3112.46:186:39

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.03 kWh/m².

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6.31 kWh/m² in February across the year — December's 6.03 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Hazard calendar for Mvomero

In seasonPeak

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

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

Mvomero'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 Mvomero?

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

4.2
Sightseeing
9th-best month of the year
5.7
Beach & pool
9th-best month of the year

December is a reasonable time to visit Mvomero for sightseeing.

What to pack for Mvomero in December

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

In December, Mvomero sees daytime highs around 30°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Mvomero 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 27 km away) is warmest in March at about 29°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Tropical
Dec29Tropical

UV index in Mvomero 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 Mvomero peaks around March 16 at about 14 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 16UV 14Jun 18UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Mvomero 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 Mvomero is worst in January — around 18 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJan 2018 µg/m³Nov 118 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb16Moderate
Mar13Moderate
Apr11Good
May14Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec13Moderate
Location & terrain

Where is Mvomero?

Mvomero sits at 6.3°S, 38.7°E, 34 m above sea level, in Tanzania. The nearest listed city is Bagamoyo, 34 km away.

Ngerengere

Topography around Mvomero

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

Within 3 km, the terrain around Mvomero has only modest variations in elevation — a maximum elevation change of 125 m around an average of 47 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 347 m; within 80 km, large variations in elevation — a maximum elevation change of 853 m.

The land around Mvomero is covered by trees (72%) and grassland (23%) within 3 km, trees (57%) and grassland (35%) within 16 km, and trees (38%), grassland (28%) and water (22%) within 80 km.

3 km
125 m
16 km
347 m
80 km
853 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Bagamoyo 34 km · Lugoba 43 km · Mlandizi 51 km · Chalinze 55 km · Mapinga 59 km · Zanzibar 59 km · Kibaha 64 km · Ngerengere 82 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 Mvomero (-6.25°, 38.6667°, elevation 34 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).