Ilembula weather in December

In December, Ilembula sees average daytime highs of 25°C and overnight lows near 17°C, with 119 mm of rain across 16 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 17% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Ilembula's 9th-clearest and 9th-windiest month. For the whole year in context, see Ilembula's year-round climate.

Daytime high
25°
4th warmest
Overnight low
17°
12th coldest
Rainfall
119 mm
16 wet days
Daylight
12 h 30 min
6:22 AM – 6:53 PM
Cloud cover
72%
9th clearest
Wind
8 km/h
9th windiest
Solar energy
5.67 kWh/m²
Travel score
5.7
out of 10

Ilembula is town in Iringa 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

Day-to-day highs hold fairly steady near 25°C through the month.

A typical December day in Ilembula reaches about 25°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62617
72617
82617
92617
102617
112617
122617
132617
142517
152517
162517
172517
182517
192517
202517
212517
222517
232517
242517
252517
262517
272517
282517
292517
302517
312517

Ilembula 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
Jan25° / 16°19422.112.54.8
Feb25° / 16°1902012.34.7
Mar25° / 16°17521.512.15.0
Apr24° / 16°5210.111.86.8
May24° / 15°81.911.68.5
Jun23° / 12°0011.58.9
Jul23° / 12°00.111.58.9
Aug24° / 13°00.111.79.0
Sep26° / 14°20.311.98.6
Oct27° / 15°162.612.27.9
Nov27° / 16°426.912.46.9
Dec25° / 17°1191612.55.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
43961
53862
63763
73565
83565
93565
103367
113367
123367
133169
143070
153070
163070
172971
182971
192872
202872
212872
222773
232773
242674
252773
262575
272575
282575
292476
302377
312278

Chance of precipitation in December

Any precipitation

Ilembula gets around 119 mm of rain over 16 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 52% and peaks near 63% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
137
237
338
439
540
641
742
843
944
1046
1147
1248
1350
1451
1553
1654
1755
1856
1957
2057
2158
2258
2359
2459
2560
2660
2761
2861
2962
3062
3163

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the comfortable band about 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
135596
234597
332608
431618
529629
6286210
7266410
8256411
9236512
10226513
11206614
12196615
13186616
14176518
15166519
16156520
17146521
18146422
19136423
20136324
21136225
22136126
23136027
24126127
25126028
26125929
27125830
28115831
29115732
30115633
31105634

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
89calm
99calm
109calm
119calm
129calm
139calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 30 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 6:17 AM to 6:29 AM, and sunset from 6:46 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:176:46
212.56:176:46
312.56:186:47
412.56:186:47
512.56:186:48
612.56:186:48
712.56:196:49
812.56:196:49
912.56:206:50
1012.56:206:50
1112.56:206:51
1212.56:216:51
1312.56:216:52
1412.56:226:52
1512.56:226:53
1612.56:226:53
1712.56:236:54
1812.56:236:54
1912.56:246:55
2012.56:246:55
2112.56:256:56
2212.56:256:56
2312.56:266:57
2412.56:266:57
2512.56:266:58
2612.56:276:58
2712.56:276:58
2812.56:286:59
2912.56:286:59
3012.56:297:00
3112.56:297:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.67 kWh/m².

For context, solar energy here swings from a low near 5.3 kWh/m² to a high of 7.03 kWh/m² in October across the year — December's 5.67 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Bright
56.0Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Ilembula

In seasonPeak

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

Ilembula's monsoon runs December–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Ilembula?

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

5.7
Sightseeing
9th-best month of the year
5.3
Beach & pool
9th-best month of the year

December is a reasonable time to visit Ilembula for sightseeing.

What to pack for Ilembula in December

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

In December, Ilembula sees daytime highs around 25°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 16 days see rain.

rain gearlight clothessun protection

UV index in Ilembula 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 Ilembula peaks around March 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 10UV 16Jun 16UV 10
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct15Extreme
Nov14Extreme
Dec13Extreme

Air quality in Ilembula 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 Ilembula is worst in October — around 21 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (May, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1620 µg/m³May 157 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar10Good
Apr8Good
May7Good
Jun8Good
Jul11Good
Aug14Moderate
Sep17Moderate
Oct21Moderate
Nov17Moderate
Dec10Good
Location & terrain

Where is Ilembula?

Ilembula sits at 8.9°S, 34.6°E, 1,425 m above sea level, in Tanzania. The nearest listed city is Mtwango, 27 km away.

IgurusiMlangali

Topography around Ilembula

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

Within 3 km, the terrain around Ilembula has only modest variations in elevation — a maximum elevation change of 102 m around an average of 1,404 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 610 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,930 m.

The land around Ilembula is covered by cropland (81%) within 3 km, cropland (51%) and shrubs (43%) within 16 km, and shrubs (31%), grassland (25%) and cropland (24%) within 80 km.

3 km
102 m
16 km
610 m
80 km
1,930 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Mtwango 27 km · Makumbako 28 km · Rujewa 31 km · Urunda 42 km · Njombe 54 km · Chimala 62 km · Igurusi 81 km · Mlangali 98 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 Ilembula (-8.9°, 34.5833°, elevation 1,425 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).