Voi weather in January

In January, Voi sees average daytime highs of 30°C and overnight lows near 21°C, with 46 mm of rain across 7.9 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 6th-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 37% of the time in January, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Voi's 2nd-clearest and 8th-windiest month. For the whole year in context, see Voi's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
21°
8th coldest
Rainfall
46 mm
7.9 wet days
Daylight
12 h 12 min
6:30 AM – 6:40 PM
Cloud cover
53%
2nd clearest
Wind
8 km/h
8th windiest
Solar energy
6.2 kWh/m²
Travel score
5.4
out of 10

Voi is town in Kenya.

Founded
1932

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 Voi 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 28°C and 32°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12921
22921
32921
42921
52921
62921
72921
82921
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313121

How January really feels in Voi

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.

Voi weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°467.912.25.4
Feb31° / 21°405.512.14.9
Mar31° / 21°7012.8124.3
Apr29° / 21°791811.94.3
May28° / 20°5310.911.86.1
Jun27° / 18°82.411.87.3
Jul27° / 17°51.511.87.6
Aug27° / 17°82.411.97.5
Sep28° / 18°102.9127.2
Oct29° / 19°368.412.15.7
Nov29° / 20°7717.512.24.5
Dec29° / 21°9117.912.24.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 25% of January, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26436
36337
46337
56238
66139
76139
86040
96040
105941
115941
125842
135941
145941
155941
166040
176139
186139
196238
206238
216238
226238
236337
246337
256337
266337
276337
286436
296436
306436
316436

Chance of precipitation in January

Any precipitation

Voi gets around 46 mm of rain over 7.9 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 26% 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
334
433
532
631
731
830
930
1030
1129
1229
1328
1427
1526
1626
1725
1824
1924
2023
2122
2222
2321
2420
2520
2619
2718
2818
2918
3017
3117

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 68% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1120745
2121735
3121735
4122725
5122725
6123715
7124705
8124705
9125695
10125704
11126694
12127684
13127684
14128674
15129673
16130663
17130663
18131653
19132643
20133633
21134623
22135604
23136594
24137584
25139564
26140554
27141535
28142525
29144505
30145495
31146485

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 12 min at the start of January to 12 h 06 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 6:23 AM to 6:35 AM, and sunset from 6:35 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:236:35
212.26:246:35
312.26:246:36
412.26:256:36
512.26:256:36
612.26:256:37
712.26:266:37
812.26:266:38
912.26:276:38
1012.26:276:38
1112.26:286:39
1212.26:286:39
1312.26:296:39
1412.26:296:40
1512.26:296:40
1612.26:306:40
1712.26:306:41
1812.26:316:41
1912.26:316:41
2012.26:316:41
2112.26:326:42
2212.26:326:42
2312.26:326:42
2412.26:336:42
2512.26:336:43
2612.26:336:43
2712.26:346:43
2812.26:346:43
2912.26:346:43
3012.26:346:43
3112.16:356:44

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.2 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 6.63 kWh/m² in February across the year — January's 6.2 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in January

Is January a good time to visit Voi?

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

5.4
Sightseeing
7th-best month of the year
7.3
Beach & pool
5th-best month of the year

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

What to pack for Voi in January

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

In January, Voi sees daytime highs around 30°C and nights near 21°C. Pack light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Voi 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 Voi peaks around March 18 at about 15 (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 18UV 15Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Voi?

Voi sits at 3.4°S, 38.6°E, 580 m above sea level, in Kenya. The nearest listed city is Taveta, 97 km away.

TavetaUsangiLembeniMariakaniSameTarakeaMazerasJomvu

Topography around Voi

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

Within 3 km, the terrain around Voi has significant variations in elevation — a maximum elevation change of 375 m around an average of 603 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,294 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,019 m.

The land around Voi is covered by shrubs (51%) and grassland (22%) within 3 km, grassland (41%) and shrubs (40%) within 16 km, and shrubs (56%) and grassland (42%) within 80 km.

3 km
375 m
16 km
1,294 m
80 km
2,019 m
treesshrubsgrasslandcroplandartificial surfaces
January weather nearby: Taveta 97 km · Usangi 104 km · Lembeni 113 km · Mariakani 114 km · Same 118 km · Tarakea 119 km · Mazeras 127 km · Jomvu 134 km

Kenya travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$2,363
2025
Happiness
4.7 / 10
World Happiness, 2025
Homicide rate
4.9
per 100k, 2022
Road deaths
28.3
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 593
Religion
Christian 86%Muslim 11%other 2%none 2%

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 Voi (-3.396°, 38.5561°, elevation 580 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).