Dumila weather in January

In January, Dumila sees average daytime highs of 31°C and overnight lows near 22°C, with 150 mm of rain across 15.9 wet days and about 12.3 hours of daylight. It is the 2nd-warmest and 3rd-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 24% of the time in January, and the air most often feels muggy.

Daylight stretches from about 12 h 24 min at the start of January to 12 h 18 min by month's end. Set against the rest of the year, January is Dumila's 10th-clearest and 7th-windiest month. For the whole year in context, see Dumila's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
22°
12th coldest
Rainfall
150 mm
15.9 wet days
Daylight
12 h 18 min
6:30 AM – 6:50 PM
Cloud cover
64%
10th clearest
Wind
5 km/h
7th windiest
Solar energy
6 kWh/m²
Travel score
3.7
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Dumila reaches about 31°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, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How January really feels in Dumila

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Dumila weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 3rd-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
44852
54852
64852
74654
84654
94456
104357
114357
124258
134258
144060
154060
164159
174258
184258
194258
204357
214357
224357
234357
244456
254456
264456
274555
284555
294654
304654
314654

Chance of precipitation in January

Any precipitation

Dumila gets around 150 mm of rain over 15.9 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 51% and peaks near 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
151
252
352
452
553
653
754
855
955
1056
1156
1256
1356
1455
1555
1654
1753
1852
1951
2050
2149
2249
2348
2447
2546
2645
2745
2844
2944
3044
3144

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
185240
285141
385042
485043
584944
674844
774845
874746
964746
1064747
1164847
1254846
1354946
1455045
1555045
1655144
1745343
1845442
1945541
2045640
2145739
2245739
2355738
2455738
2555738
2655738
2765638
2865638
2965638
3065638
3165539

Wind in January

Winds average 5 km/h in January.

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

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 24 min at the start of January to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 6:23 AM to 6:36 AM, and sunset from 6:45 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:236:45
212.46:236:45
312.46:246:46
412.46:246:46
512.46:256:46
612.46:256:47
712.46:266:47
812.46:266:47
912.46:276:48
1012.36:276:48
1112.36:286:48
1212.36:286:49
1312.36:296:49
1412.36:296:49
1512.36:296:50
1612.36:306:50
1712.36:306:50
1812.36:316:50
1912.36:316:51
2012.36:326:51
2112.36:326:51
2212.36:326:51
2312.36:336:51
2412.36:336:52
2512.36:346:52
2612.36:346:52
2712.36:346:52
2812.36:356:52
2912.36:356:52
3012.36:356:52
3112.36:366:52

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6 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 — January's 6 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in January

Hazard calendar for Dumila

In seasonPeak

In January, 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 January a good time to visit Dumila?

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

3.7
Sightseeing
11th-best month of the year
5.7
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Dumila.

What to pack for Dumila in January

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

In January, Dumila sees daytime highs around 31°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Dumila in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).