Hedaru weather in January

In January, Hedaru sees average daytime highs of 30°C and overnight lows near 19°C, with 54 mm of rain across 9.6 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 7th-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 34% of the time in January, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Hedaru's 2nd-clearest and 8th-windiest month. For the whole year in context, see Hedaru's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
19°
8th coldest
Rainfall
54 mm
9.6 wet days
Daylight
12 h 12 min
6:31 AM – 6:45 PM
Cloud cover
56%
2nd clearest
Wind
5 km/h
8th windiest
Solar energy
6.24 kWh/m²
Travel score
5.3
out of 10

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 Hedaru reaches about 30°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62919
72919
82919
92919
102919
112919
123019
133019
143019
153019
163019
173019
183019
193019
203019
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020
313020

Hedaru weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 19°549.612.25.3
Feb30° / 20°488.212.14.9
Mar30° / 20°10216.3124.4
Apr27° / 20°18222.511.94.4
May25° / 18°12415.211.85.9
Jun25° / 16°17411.77.5
Jul24° / 15°112.511.87.8
Aug25° / 15°142.911.97.6
Sep27° / 16°143.2127.4
Oct28° / 18°638.712.16.3
Nov28° / 19°9014.312.25.2
Dec29° / 20°7914.912.35.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 22% of January, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
25941
35941
45941
55842
65842
75842
85743
95743
105644
115743
125644
135644
145644
155545
165644
175644
185644
195743
205644
215644
225644
235644
245644
255644
265644
275644
285644
295644
305644
315644

Chance of precipitation in January

Any precipitation

Hedaru gets around 54 mm of rain over 9.6 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 30% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
235
335
434
534
634
733
833
933
1033
1132
1232
1332
1431
1531
1630
1730
1829
1929
2029
2129
2228
2328
2428
2528
2627
2727
2826
2926
3026
3126

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 36% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10748440
20849430
30850420
40850420
50851410
60851410
70852400
80852400
90853390
100754390
110755380
120755380
130756370
140856360
150857350
160856351
170857341
180956341
190957331
2001056331
2101056331
2201155331
2301255321
2411353321
2511353321
2611453320
2711552320
2811552320
2911651320
3011651320
3111651320

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 18 min at the start of January to 12 h 12 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 6:24 AM to 6:36 AM, and sunset from 6:39 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:246:39
212.36:246:40
312.36:256:40
412.36:256:40
512.36:266:41
612.36:266:41
712.26:276:42
812.26:276:42
912.26:286:42
1012.26:286:43
1112.26:296:43
1212.26:296:43
1312.26:296:44
1412.26:306:44
1512.26:306:44
1612.26:316:45
1712.26:316:45
1812.26:316:45
1912.26:326:46
2012.26:326:46
2112.26:336:46
2212.26:336:46
2312.26:336:46
2412.26:346:47
2512.26:346:47
2612.26:346:47
2712.26:356:47
2812.26:356:47
2912.26:356:47
3012.26:366:48
3112.26:366:48

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.24 kWh/m².

For context, solar energy here swings from a low near 4.19 kWh/m² to a high of 6.55 kWh/m² in February across the year — January's 6.24 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in January

Hazard calendar for Hedaru

In seasonPeak

None of Hedaru's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Hedaru's rainy season runs March–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 Hedaru?

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

5.3
Sightseeing
7th-best month of the year
7.0
Beach & pool
3rd-best month of the year

January is a reasonable time to visit Hedaru for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Hedaru in January

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

In January, Hedaru sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Hedaru in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hedaru peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jun 19UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Hedaru 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 Hedaru is worst in July — around 16 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 1616 µg/m³Oct 219 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar11Good
Apr10Good
May11Good
Jun14Moderate
Jul16Moderate
Aug13Moderate
Sep11Good
Oct9Good
Nov9Good
Dec13Moderate
Location & terrain

Where is Hedaru?

Hedaru sits at 4.5°S, 37.9°E, 640 m above sea level, in Tanzania. The nearest listed city is Makuyuni, 34 km away.

LembeniUsangiKorogwe

Topography around Hedaru

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

Within 3 km, the terrain around Hedaru has significant variations in elevation — a maximum elevation change of 416 m around an average of 662 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,658 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,131 m.

The land around Hedaru is covered by cropland (37%) and grassland (32%) within 3 km, shrubs (61%) within 16 km, and shrubs (68%) within 80 km.

3 km
416 m
16 km
1,658 m
80 km
2,131 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Makuyuni 34 km · Mazinde 48 km · Matui 51 km · Same 52 km · Lushoto 53 km · Lembeni 86 km · Usangi 93 km · Korogwe 97 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 Hedaru (-4.5°, 37.9°, elevation 640 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).