Iringa weather in December

In December, Iringa sees average daytime highs of 25°C and overnight lows near 16°C, with 131 mm of rain across 19.2 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 19% of the time in December, and the air most often feels comfortable.

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 Iringa's 9th-clearest and 9th-windiest month. For the whole year in context, see Iringa's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
16°
12th coldest
Rainfall
131 mm
19.2 wet days
Daylight
12 h 24 min
6:20 AM – 6:47 PM
Cloud cover
68%
9th clearest
Wind
9 km/h
9th windiest
Solar energy
5.84 kWh/m²
Travel score
5.4
out of 10

Iringa is city.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 24°C by the end.

A typical December day in Iringa reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°C. Set against its neighbours, December runs about 1°C cooler than November and about 1°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82516
92516
102516
112516
122516
132516
142516
152516
162516
172516
182516
192516
202516
212516
222416
232416
242416
252416
262416
272416
282416
292416
302416
312416

Iringa weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°16223.712.44.6
Feb24° / 16°1262012.34.9
Mar24° / 16°13020.512.15.2
Apr23° / 16°5710.411.86.8
May23° / 14°71.511.78.5
Jun23° / 12°00.111.68.7
Jul22° / 12°0011.68.6
Aug23° / 12°0011.78.8
Sep24° / 13°10.3129.0
Oct26° / 14°81.912.28.3
Nov26° / 16°467.312.47.1
Dec25° / 16°13119.212.45.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25446
35347
45248
55149
65050
74852
84753
94654
104456
114357
124159
134060
143862
153763
163664
173466
183367
193268
203169
213070
223070
233169
243070
253070
262971
272971
282773
292773
302575
312575

Chance of precipitation in December

Any precipitation

Iringa gets around 131 mm of rain over 19.2 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 62% and peaks near 75% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
140
241
343
444
546
648
749
851
953
1055
1157
1259
1361
1462
1564
1666
1767
1868
1969
2070
2171
2271
2372
2473
2573
2674
2774
2874
2974
3074
3175

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 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1295219
2285220
3275221
4255322
5245323
6235324
7215326
8205327
9185329
10175231
11165232
12155134
13145036
14134939
15124841
16114643
17104545
18104447
1994248
2094150
2194051
2293853
2383755
2483656
2583557
2683458
2773360
2873360
2973261
3063163
3163163

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
610calm
710calm
810calm
910calm
1010calm
119calm
129calm
139calm
149calm
159calm
169calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
307calm
317calm

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 6:14 AM to 6:27 AM, and sunset from 6:40 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:146:40
212.46:156:40
312.46:156:40
412.46:156:41
512.46:166:41
612.46:166:42
712.46:166:42
812.46:176:43
912.46:176:43
1012.46:176:44
1112.46:186:44
1212.46:186:45
1312.46:196:45
1412.46:196:46
1512.46:196:46
1612.46:206:47
1712.56:206:47
1812.56:216:48
1912.56:216:48
2012.56:226:49
2112.56:226:49
2212.56:236:50
2312.56:236:50
2412.56:246:51
2512.56:246:51
2612.56:256:52
2712.56:256:52
2812.46:266:52
2912.46:266:53
3012.46:266:53
3112.46:276:54

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.84 kWh/m².

For context, solar energy here swings from a low near 5.2 kWh/m² to a high of 7.04 kWh/m² in October across the year — December's 5.84 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.2Intense
56.2Intense
66.2Intense
76.1Intense
86.1Intense
96.0Intense
106.0Intense
116.0Bright
125.9Bright
135.9Bright
145.8Bright
155.8Bright
165.8Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in December

Hazard calendar for Iringa

In seasonPeak

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

Iringa's rainy season runs December–March, 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 Iringa?

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

5.4
Sightseeing
9th-best month of the year
4.9
Beach & pool
9th-best month of the year

December is a reasonable time to visit Iringa for sightseeing.

What to pack for Iringa in December

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

In December, Iringa sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 19 days see rain.

rain gearlight clothessun protection

UV index in Iringa 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 Iringa peaks around March 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

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

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1920 µg/m³May 247 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar10Good
Apr8Good
May7Good
Jun7Good
Jul10Good
Aug15Moderate
Sep21Moderate
Oct18Moderate
Nov13Moderate
Dec8Good
Location & terrain

Where is Iringa?

Iringa sits at 7.8°S, 35.7°E, 1,625 m above sea level, in Tanzania. The nearest listed city is Ilula, 38 km away.

MafingaMlimbaIfakaraKibakweMalinyiKidatu

Topography around Iringa

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

Within 3 km, the terrain around Iringa has significant variations in elevation — a maximum elevation change of 376 m around an average of 1,613 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 671 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,181 m.

The land around Iringa is covered by artificial surfaces (42%) and shrubs (25%) within 3 km, shrubs (37%) and cropland (36%) within 16 km, and shrubs (39%) and trees (33%) within 80 km.

3 km
376 m
16 km
671 m
80 km
2,181 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Ilula 38 km · Izazi 63 km · Mafinga 74 km · Mlimba 116 km · Ifakara 116 km · Kibakwe 138 km · Malinyi 138 km · Kidatu 139 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 Iringa (-7.7667°, 35.7°, elevation 1,625 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).