Izazi weather in January

In January, Izazi sees average daytime highs of 30°C and overnight lows near 21°C, with 101 mm of rain across 16.3 wet days and about 12.4 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 16% 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 Izazi's 12th-clearest and 12th-windiest month. For the whole year in context, see Izazi's year-round climate.

Daytime high
30°
9th warmest
Overnight low
21°
12th coldest
Rainfall
101 mm
16.3 wet days
Daylight
12 h 24 min
6:35 AM – 6:58 PM
Cloud cover
72%
12th clearest
Wind
5 km/h
12th windiest
Solar energy
5.81 kWh/m²
Travel score
4.2
out of 10

Izazi is ward in Iringa Rural district, Iringa Region, Tanzania.

Density
37/km²
people per km²

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Izazi reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How January really feels in Izazi

Once humidity and wind are folded in, January averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Izazi weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°10116.312.44.2
Feb30° / 21°7613.712.24.3
Mar30° / 21°8815.3124.3
Apr30° / 20°47911.85.1
May30° / 19°4111.76.1
Jun29° / 17°0011.67.0
Jul28° / 16°0011.67.6
Aug29° / 16°0011.87.0
Sep31° / 17°00126.0
Oct32° / 19°40.512.24.9
Nov33° / 20°233.612.34.1
Dec31° / 21°881212.44.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33763
43763
53664
63466
73466
83268
93169
103070
113070
122971
132872
142872
152773
162872
172872
182971
193070
203070
213070
223169
233169
243169
253169
263169
273169
283169
293169
303169
313169

Chance of precipitation in January

Any precipitation

Izazi gets around 101 mm of rain over 16.3 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 52% and peaks near 56% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
150
251
351
452
552
653
754
855
955
1056
1156
1256
1356
1456
1556
1655
1755
1854
1953
2052
2152
2251
2350
2450
2549
2649
2749
2849
2949
3049
3150

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 62% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
121232540
221231550
321230560
421230560
521129580
611128600
711128600
811027620
911027620
101927630
111927630
121827640
131828630
140828640
150729640
160730630
170730621
180731611
190731611
200631621
210631621
220631621
230632611
240632611
250632611
260632611
270631621
280631621
290631621
300630631
310530641

Wind in January

Winds average 5 km/h in January, the calmest month.

Across January, 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
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 6:28 AM to 6:41 AM, and sunset from 6:53 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:286:53
212.46:286:53
312.46:296:53
412.46:296:54
512.46:306:54
612.46:306:55
712.46:316:55
812.46:316:55
912.46:326:56
1012.46:326:56
1112.46:336:56
1212.46:336:57
1312.46:346:57
1412.46:346:57
1512.46:356:57
1612.46:356:58
1712.46:366:58
1812.46:366:58
1912.46:366:58
2012.46:376:59
2112.46:376:59
2212.46:386:59
2312.46:386:59
2412.36:386:59
2512.36:396:59
2612.36:396:59
2712.36:407:00
2812.36:407:00
2912.36:407:00
3012.36:417:00
3112.36:417:00

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.81 kWh/m².

For context, solar energy here swings from a low near 5.53 kWh/m² to a high of 7.15 kWh/m² in October across the year — January's 5.81 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
316.0Bright
Planning a trip in January

Hazard calendar for Izazi

In seasonPeak

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

Izazi sits in the South Indian Ocean cyclone belt; the season peaks January–March.

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

Is January a good time to visit Izazi?

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

4.2
Sightseeing
10th-best month of the year
5.7
Beach & pool
12th-best month of the year

January is a reasonable time to visit Izazi for sightseeing.

What to pack for Izazi in January

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

In January, Izazi sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Izazi in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Izazi peaks around March 13 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 13UV 15Jun 17UV 10
UV index (midday)Level
Jan12Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Izazi 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 Izazi 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 Izazi?

Izazi sits at 7.2°S, 35.7°E, 727 m above sea level, in Tanzania. The nearest listed city is Ilula, 63 km away.

KibakweDodomaMpwapwaMafingaMikumiKilosa

Topography around Izazi

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

Within 3 km, the terrain around Izazi has only modest variations in elevation — a maximum elevation change of 73 m around an average of 729 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 713 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,911 m.

The land around Izazi is covered by shrubs (63%) and grassland (34%) within 3 km, shrubs (48%), water (25%) and grassland (20%) within 16 km, and shrubs (51%) and grassland (20%) within 80 km.

3 km
73 m
16 km
713 m
80 km
1,911 m
treesshrubsgrasslandcroplandwater
January weather nearby: Ilula 63 km · Iringa 63 km · Kibakwe 88 km · Dodoma 114 km · Mpwapwa 126 km · Mafinga 132 km · Mikumi 140 km · Kilosa 144 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 Izazi (-7.2°, 35.7333°, elevation 727 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).