Dumila weather in December

In December, Dumila sees average daytime highs of 32°C and overnight lows near 22°C, with 119 mm of rain across 15.2 wet days and about 12.4 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 36% of the time in December, and the air most often feels muggy.

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 Dumila's 4th-clearest and 4th-windiest month. For the whole year in context, see Dumila's year-round climate.

Daytime high
32°
1st warmest
Overnight low
22°
11th coldest
Rainfall
119 mm
15.2 wet days
Daylight
12 h 24 min
6:16 AM – 6:38 PM
Cloud cover
55%
4th clearest
Wind
6 km/h
4th windiest
Solar energy
6.01 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 32°C through the month.

A typical December day in Dumila reaches about 32°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°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)
13121
23121
33121
43221
53221
63221
73221
83222
93222
103222
113222
123222
133222
143222
153222
163222
173222
183222
193222
203222
213222
223222
233222
243222
253222
263222
273222
283222
293222
303122
313122

How December really feels in Dumila

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.

Dumila weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°15015.912.33.7
Feb31° / 22°14614.112.23.8
Mar30° / 22°16322.6123.6
Apr28° / 21°15224.411.94.1
May27° / 19°7615.611.75.8
Jun26° / 17°195.511.67.3
Jul26° / 16°133.711.77.5
Aug27° / 17°185.611.87.1
Sep29° / 18°144.3126.3
Oct30° / 19°417.712.15.2
Nov31° / 21°6012.112.34.3
Dec32° / 22°11915.212.43.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26535
36535
46535
56436
66436
76436
86436
96436
106436
116337
126238
136238
146139
155941
165842
175842
185644
195545
205545
215446
225347
235347
245347
255149
265149
275149
285149
295149
305050
315050

Chance of precipitation in December

Any precipitation

Dumila gets around 119 mm of rain over 15.2 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 49% and peaks near 51% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
145
245
346
446
546
647
747
847
947
1047
1148
1248
1348
1449
1549
1649
1750
1850
1950
2050
2150
2250
2351
2451
2551
2651
2751
2851
2951
3051
3151

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
1157411
2157312
3147412
4137413
5137314
6127315
7117316
8107416
9107317
1097318
1187319
1277221
1377122
1467123
1567024
1666925
1756926
1856827
1956728
2066529
2166430
2266331
2366331
2466232
2566133
2675934
2775934
2875835
2975736
3085438
3185339

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:10 AM to 6:23 AM, and sunset from 6:31 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:106:31
212.36:106:31
312.36:116:32
412.46:116:32
512.46:116:33
612.46:126:33
712.46:126:33
812.46:126:34
912.46:136:34
1012.46:136:35
1112.46:146:35
1212.46:146:36
1312.46:146:36
1412.46:156:37
1512.46:156:37
1612.46:166:38
1712.46:166:38
1812.46:176:39
1912.46:176:39
2012.46:186:40
2112.46:186:40
2212.46:186:41
2312.46:196:41
2412.46:196:42
2512.46:206:42
2612.46:206:43
2712.46:216:43
2812.46:216:43
2912.46:226:44
3012.46:226:44
3112.46:236:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.01 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 6.17 kWh/m² in February across the year — December's 6.01 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
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in December

Hazard calendar for Dumila

In seasonPeak

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

Dumila's rainy season runs December–May, 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 Dumila?

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

3.8
Sightseeing
9th-best month of the year
5.8
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Dumila.

What to pack for Dumila in December

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

In December, Dumila sees daytime highs around 32°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Dumila 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 Dumila peaks around March 12 at about 15 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 12UV 15Jun 17UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Dumila 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 Dumila is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 2319 µg/m³Nov 1910 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar12Moderate
Apr11Good
May12Good
Jun14Moderate
Jul19Moderate
Aug19Moderate
Sep18Moderate
Oct13Moderate
Nov10Good
Dec11Good
Location & terrain

Where is Dumila?

Dumila sits at 6.4°S, 37.3°E, 505 m above sea level, in Tanzania. The nearest listed city is Magole, 3.0 km away.

Kibaigwa

Topography around Dumila

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

Within 3 km, the terrain around Dumila has only modest variations in elevation — a maximum elevation change of 64 m around an average of 436 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 906 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,097 m.

The land around Dumila is covered by cropland (43%) and shrubs (22%) within 3 km, cropland (35%), trees (30%) and shrubs (23%) within 16 km, and trees (40%), shrubs (26%) and cropland (24%) within 80 km.

3 km
64 m
16 km
906 m
80 km
2,097 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Magole 3.0 km · Msowero 23 km · Lubata 34 km · Madizini 42 km · Geiro 59 km · Morogoro 60 km · Kilosa 64 km · Kibaigwa 84 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 Dumila (-6.3839°, 37.3433°, elevation 505 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).