Ol Kalou weather in January

In January, Ol Kalou sees average daytime highs of 20°C and overnight lows near 9°C, with 66 mm of rain across 8.4 wet days and about 12 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 20% of the time in January, and the air most often feels dry.

Daylight stretches from about 12 hours at the start of January to 12 hours by month's end. Set against the rest of the year, January is Ol Kalou's 2nd-clearest and 4th-windiest month. For the whole year in context, see Ol Kalou's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
3rd coldest
Rainfall
66 mm
8.4 wet days
Daylight
12 hours
6:43 AM – 6:44 PM
Cloud cover
61%
2nd clearest
Wind
7 km/h
4th windiest
Solar energy
6.35 kWh/m²
Travel score
6.6
out of 10

Ol Kalou is town in Kenya.

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 20°C through the month.

A typical January day in Ol Kalou reaches about 20°C in the afternoon and slips back to 9°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 22°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C cooler than February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1209
2209
3209
4209
5209
6209
7209
8209
9209
10209
11209
12209
13209
14209
15209
16209
17209
18209
19218
20218
21218
22218
23218
24218
25218
26218
27218
28218
29218
30218
31218

Ol Kalou weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 668.4126.6
Feb22° / 525.7127.1
Mar22° / 11211.8126.4
Apr20° / 10°23520.6124.6
May19° / 11°18118.4124.9
Jun18° / 10°13917.5124.8
Jul17° / 16422.1124.0
Aug18° / 19022.8123.9
Sep19° / 13816.8125.1
Oct19° / 20620124.6
Nov19° / 10°21123.4124.1
Dec19° / 9513.4125.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 28% of January, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44654
54654
64654
74654
84654
94654
104654
114654
124555
134654
144654
154753
164753
174852
184852
194852
204951
215050
224951
235050
245149
255149
265248
275248
285347
295347
305347
315446

Chance of precipitation in January

Any precipitation

Ol Kalou gets around 66 mm of rain over 8.4 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 27% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
132
231
331
431
531
630
730
830
930
1030
1130
1230
1330
1429
1528
1628
1727
1826
1926
2025
2125
2224
2324
2423
2523
2622
2721
2821
2921
3020
3120

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 hours at the start of January to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over January. Sunrise moves from 6:37 AM to 6:47 AM, and sunset from 6:38 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:376:38
212.06:386:39
312.06:386:39
412.06:396:39
512.06:396:40
612.06:396:40
712.06:406:41
812.06:406:41
912.06:416:42
1012.06:416:42
1112.06:416:42
1212.06:426:43
1312.06:426:43
1412.06:436:43
1512.06:436:44
1612.06:436:44
1712.06:446:45
1812.06:446:45
1912.06:446:45
2012.06:456:45
2112.06:456:46
2212.06:456:46
2312.06:466:46
2412.06:466:47
2512.06:466:47
2612.06:466:47
2712.06:476:47
2812.06:476:48
2912.06:476:48
3012.06:476:48
3112.06:476:48

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.35 kWh/m².

For context, solar energy here swings from a low near 4.81 kWh/m² to a high of 6.95 kWh/m² in February across the year — January's 6.35 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.4Intense
186.4Intense
196.4Intense
206.5Intense
216.5Intense
226.5Intense
236.6Intense
246.6Intense
256.6Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.8Intense
316.8Intense
Planning a trip in January

Is January a good time to visit Ol Kalou?

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

6.6
Sightseeing
2nd-best month of the year
3.7
Beach & pool
3rd-best month of the year

January is a reasonable time to visit Ol Kalou for sightseeing.

What to pack for Ol Kalou in January

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

In January, Ol Kalou sees daytime highs around 20°C and nights near 9°C. Pack sun protection. Worth having: rain gear. About 8 days see rain.

sun protectionrain gear

UV index in Ol Kalou in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 16 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ol Kalou peaks around March 16 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 17Jun 19UV 11
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar17Extreme
Apr16Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec13Extreme

Air quality in Ol Kalou 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 Ol Kalou is worst in June — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2334 µg/m³Oct 1224 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb31Moderate
Mar28Moderate
Apr27Moderate
May28Moderate
Jun34Moderate
Jul34Moderate
Aug28Moderate
Sep25Moderate
Oct24Moderate
Nov27Moderate
Dec28Moderate
Location & terrain

Where is Ol Kalou?

Ol Kalou sits at 0.3°S, 36.4°E, 2,348 m above sea level, in Kenya. The nearest listed city is Upper Gilgil, 14 km away.

Topography around Ol Kalou

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

Within 3 km, the terrain around Ol Kalou has only modest variations in elevation — a maximum elevation change of 197 m around an average of 2,380 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 803 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,992 m.

The land around Ol Kalou is covered by cropland (51%) and grassland (23%) within 3 km, cropland (40%) and grassland (31%) within 16 km, and grassland (33%), trees (24%) and cropland (23%) within 80 km.

3 km
197 m
16 km
803 m
80 km
2,992 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Upper Gilgil 14 km · Gilgil 27 km · Mairo Inya 33 km · Nakuru 34 km · Nyahururu 34 km · Njoro 49 km · Naivasha 50 km · Rongai 58 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 Ol Kalou (-0.2709°, 36.3792°, elevation 2,348 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).