Ol Kalou weather in August

In August, Ol Kalou sees average daytime highs of 18°C and overnight lows near 9°C, with 190 mm of rain across 22.8 wet days and about 12 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 2% of the time in August, and the air most often feels dry.

Daylight stretches from about 12 hours at the start of August to 12 hours by month's end. Set against the rest of the year, August is Ol Kalou's 10th-clearest and 8th-windiest month. For the whole year in context, see Ol Kalou's year-round climate.

Daytime high
18°
11th warmest
Overnight low
4th coldest
Rainfall
190 mm
22.8 wet days
Daylight
12 hours
6:39 AM – 6:38 PM
Cloud cover
75%
10th clearest
Wind
6 km/h
8th windiest
Solar energy
5.2 kWh/m²
Travel score
3.9
out of 10

Ol Kalou is town in Kenya.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 18°C through the month.

A typical August day in Ol Kalou reaches about 18°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 19°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1179
2179
3179
4179
5179
6179
7179
8179
9179
10179
11179
12179
13189
14189
15189
16189
17189
18189
19189
20189
21189
22189
23189
24189
25189
26189
27189
28189
29189
30189
31189

Ol Kalou weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 4th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31486
41486
51585
61585
71684
81783
91783
101783
111882
121981
131981
142080
152179
162179
172278
182377
192377
202476
212476
222476
232575
242674
252674
262773
272773
282773
292872
302872
313070

Chance of precipitation in August

Any precipitation

Ol Kalou gets around 190 mm of rain over 22.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 74% and peaks near 78% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
178
278
377
477
576
676
776
875
975
1075
1175
1275
1375
1475
1574
1674
1774
1874
1973
2073
2173
2273
2373
2473
2573
2673
2773
2873
2973
3072
3172

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 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
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

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

Days grow by about 0 minutes over August. Sunrise moves from 6:41 AM to 6:35 AM, and sunset from 6:40 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:416:40
212.06:416:40
312.06:416:40
412.06:416:40
512.06:416:40
612.06:406:40
712.06:406:40
812.06:406:40
912.06:406:39
1012.06:406:39
1112.06:406:39
1212.06:406:39
1312.06:396:39
1412.06:396:39
1512.06:396:39
1612.06:396:38
1712.06:396:38
1812.06:386:38
1912.06:386:38
2012.06:386:37
2112.06:386:37
2212.06:376:37
2312.06:376:37
2412.06:376:36
2512.06:376:36
2612.06:366:36
2712.06:366:36
2812.06:366:35
2912.06:356:35
3012.06:356:35
3112.06:356:34

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.2 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 — August's 5.2 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in August

Is August a good time to visit Ol Kalou?

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

3.9
Sightseeing
12th-best month of the year
1.2
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Ol Kalou.

What to pack for Ol Kalou in August

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

In August, Ol Kalou sees daytime highs around 18°C and nights near 9°C. Pack rain gear. Worth having: sun protection. About 23 days see rain.

rain gearsun protection

UV index in Ol Kalou in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).