Ilula weather in January

In January, Ilula sees average daytime highs of 23°C and overnight lows near 15°C, with 274 mm of rain across 26.2 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 6% of the time in January, and the air most often feels humid.

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 Ilula's 12th-clearest and 11th-windiest month. For the whole year in context, see Ilula's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
15°
10th coldest
Rainfall
274 mm
26.2 wet days
Daylight
12 h 24 min
6:33 AM – 6:57 PM
Cloud cover
81%
12th clearest
Wind
6 km/h
11th windiest
Solar energy
5.49 kWh/m²
Travel score
4.2
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical January day in Ilula reaches about 23°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, January runs on par with December and on par with February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12315
22315
32315
42315
52315
62315
72315
82315
92315
102315
112315
122315
132315
142315
152315
162315
172315
182315
192315
202315
212315
222315
232315
242315
252315
262315
272315
282315
292315
302315
312315

Ilula weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 15°27426.212.44.2
Feb23° / 15°24622.112.34.4
Mar23° / 15°19024.412.14.4
Apr21° / 15°7318.611.85.1
May20° / 13°216.411.76.9
Jun19° / 10°41.311.67.5
Jul19° / 10°20.611.67.6
Aug20° / 10°40.911.77.8
Sep22° / 11°41.3128.2
Oct23° / 12°175.112.27.9
Nov24° / 14°6413.212.46.5
Dec24° / 15°18722.812.44.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32179
42179
52080
61981
71981
81783
91783
101783
111783
121684
131684
141684
151684
161783
171783
181684
191684
201684
211684
221684
231684
241684
251684
261684
271684
281684
291684
301684
311585

Chance of precipitation in January

Any precipitation

Ilula gets around 274 mm of rain over 26.2 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 84% and peaks near 86% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
181
281
382
482
583
683
784
884
985
1085
1185
1285
1385
1486
1586
1686
1786
1885
1985
2085
2185
2284
2384
2484
2584
2684
2784
2884
2984
3084
3184

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1423721
2423721
3323731
4323731
5322741
6222751
7222751
8221761
9221761
10221761
11121780
12121780
13121780
14122770
15122770
16122770
17123760
18123760
19123760
20123760
21124750
22124750
23124750
24124750
25123751
26023761
27023761
28022771
29022771
30021781
31020791

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 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
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:26 AM to 6:39 AM, and sunset from 6:52 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:266:52
212.46:266:53
312.46:276:53
412.46:276:53
512.46:286:54
612.46:286:54
712.46:296:54
812.46:296:55
912.46:306:55
1012.46:306:55
1112.46:316:56
1212.46:316:56
1312.46:326:56
1412.46:326:57
1512.46:336:57
1612.46:336:57
1712.46:346:57
1812.46:346:58
1912.46:346:58
2012.46:356:58
2112.46:356:58
2212.46:366:58
2312.46:366:59
2412.46:376:59
2512.46:376:59
2612.46:376:59
2712.46:386:59
2812.46:386:59
2912.36:386:59
3012.36:396:59
3112.36:396:59

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.49 kWh/m².

For context, solar energy here swings from a low near 5.02 kWh/m² to a high of 6.93 kWh/m² in October across the year — January's 5.49 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in January

Hazard calendar for Ilula

In seasonPeak

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

Ilula'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 January a good time to visit Ilula?

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

4.2
Sightseeing
12th-best month of the year
3.4
Beach & pool
9th-best month of the year

January is a reasonable time to visit Ilula for sightseeing.

What to pack for Ilula in January

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

In January, Ilula sees daytime highs around 23°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 26 days see rain.

rain gearlight clothessun protection

UV index in Ilula in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Ilula 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
Jan13Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Ilula 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 Ilula 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 Ilula?

Ilula sits at 7.7°S, 36.0°E, 1,374 m above sea level, in Tanzania. The nearest listed city is Iringa, 38 km away.

IfakaraKidatuRuahaKidodiMafingaMikumi

Topography around Ilula

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

Within 3 km, the terrain around Ilula has significant variations in elevation — a maximum elevation change of 543 m around an average of 1,430 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,577 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,299 m.

The land around Ilula is covered by cropland (39%) and shrubs (31%) within 3 km, shrubs (34%), trees (26%) and cropland (22%) within 16 km, and trees (38%) and shrubs (34%) within 80 km.

3 km
543 m
16 km
1,577 m
80 km
2,299 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Iringa 38 km · Izazi 63 km · Ifakara 87 km · Kidatu 101 km · Ruaha 104 km · Kidodi 107 km · Mafinga 107 km · Mikumi 109 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 Ilula (-7.6766°, 36.0366°, elevation 1,374 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).