Ruaha weather in January

In January, Ruaha sees average daytime highs of 31°C and overnight lows near 22°C, with 194 mm of rain across 19.9 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 18% of the time in January, and the air most often feels oppressive.

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 Ruaha's 11th-clearest and 9th-windiest month. For the whole year in context, see Ruaha's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
22°
12th coldest
Rainfall
194 mm
19.9 wet days
Daylight
12 h 24 min
6:29 AM – 6:53 PM
Cloud cover
70%
11th clearest
Wind
5 km/h
9th windiest
Solar energy
5.83 kWh/m²
Travel score
3.6
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical January day in Ruaha reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How January really feels in Ruaha

Once humidity and wind are folded in, January averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ruaha weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°19419.912.43.6
Feb30° / 22°19418.912.33.6
Mar29° / 22°20625.912.13.6
Apr27° / 21°18124.611.84.2
May27° / 19°7814.311.76.1
Jun26° / 17°205.711.67.5
Jul26° / 17°153.911.67.7
Aug27° / 17°205.711.77.3
Sep28° / 18°143.7126.9
Oct30° / 19°396.912.25.6
Nov31° / 21°5710.612.34.5
Dec31° / 22°12516.712.43.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24060
33961
43961
53862
63664
73664
83466
93466
103268
113268
123169
133169
143169
153169
163169
173169
183268
193466
203466
213466
223466
233466
243466
253565
263664
273565
283565
293565
303664
313664

Chance of precipitation in January

Any precipitation

Ruaha gets around 194 mm of rain over 19.9 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 64% and peaks near 67% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
159
259
360
461
562
663
764
865
966
1066
1167
1267
1367
1467
1567
1666
1766
1865
1965
2064
2163
2263
2363
2462
2562
2662
2761
2861
2962
3062
3162

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11134640
21134542
31134443
41124344
51124245
61114246
71114147
81104148
91104148
10194149
11194150
12194150
13184150
14184150
15184150
16184150
17184250
18184250
19184250
20184250
21184150
22184150
23194150
24194150
25194050
26194050
27194050
28194050
29093952
30093952
31093952

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 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 6:22 AM to 6:35 AM, and sunset from 6:48 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:226:48
212.46:236:49
312.46:236:49
412.46:246:50
512.46:246:50
612.46:256:50
712.46:256:51
812.46:266:51
912.46:266:51
1012.46:276:52
1112.46:276:52
1212.46:276:52
1312.46:286:53
1412.46:286:53
1512.46:296:53
1612.46:296:53
1712.46:306:54
1812.46:306:54
1912.46:316:54
2012.46:316:54
2112.46:326:54
2212.46:326:55
2312.46:326:55
2412.46:336:55
2512.46:336:55
2612.46:346:55
2712.46:346:55
2812.46:346:55
2912.36:356:55
3012.36:356:55
3112.36:356:55

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.83 kWh/m².

For context, solar energy here swings from a low near 4.55 kWh/m² to a high of 6.17 kWh/m² in November across the year — January's 5.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in January

Hazard calendar for Ruaha

In seasonPeak

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

Ruaha's monsoon runs December–April, 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 Ruaha?

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

3.6
Sightseeing
10th-best month of the year
5.1
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Ruaha.

What to pack for Ruaha in January

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

In January, Ruaha sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Ruaha 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 Ruaha peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 12UV 15Jun 19UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec13Extreme

Air quality in Ruaha 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 Ruaha is worst in September — around 32 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (April, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodSep 1831 µg/m³Apr 229 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar11Good
Apr9Good
May9Good
Jun12Good
Jul17Moderate
Aug24Moderate
Sep32Moderate
Oct28Moderate
Nov15Moderate
Dec10Good
Location & terrain

Where is Ruaha?

Ruaha sits at 7.7°S, 37.0°E, 292 m above sea level, in Tanzania. The nearest listed city is Kidatu, 5.0 km away.

KilosaIlulaMorogoroKibakwe

Topography around Ruaha

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

Within 3 km, the terrain around Ruaha has large variations in elevation — a maximum elevation change of 680 m around an average of 382 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,011 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,408 m.

The land around Ruaha is covered by trees (67%) within 3 km, trees (54%) and shrubs (25%) within 16 km, and trees (61%) within 80 km.

3 km
680 m
16 km
2,011 m
80 km
2,408 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Kidatu 5.0 km · Kidodi 6.0 km · Mikumi 28 km · Ifakara 62 km · Kilosa 92 km · Ilula 104 km · Morogoro 119 km · Kibakwe 125 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 Ruaha (-7.6569°, 36.983°, elevation 292 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).