Kisii weather in August

In August, Kisii sees average daytime highs of 25°C and overnight lows near 15°C, with 78 mm of rain across 13.3 wet days and about 12 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 10% of the time in August, and the air most often feels comfortable.

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 Kisii's 4th-clearest and 1st-windiest month. For the whole year in context, see Kisii's year-round climate.

Daytime high
25°
10th warmest
Overnight low
15°
3rd coldest
Rainfall
78 mm
13.3 wet days
Daylight
12 hours
6:46 AM – 6:44 PM
Cloud cover
67%
4th clearest
Wind
6 km/h
1st windiest
Solar energy
5.74 kWh/m²
Travel score
6.1
out of 10

Kisii is city in Kenya.

Density
11,242/km²
people per km²

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 25°C through the month.

A typical August day in Kisii reaches about 25°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82515
92515
102515
112515
122515
132515
142515
152515
162515
172515
182515
192515
202515
212515
222515
232515
242515
252515
262515
272515
282515
292515
302515
312515

Kisii weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 15°15116.7125.6
Feb27° / 15°9812.9125.8
Mar27° / 16°18918.9125.1
Apr26° / 16°27823.4124.4
May25° / 16°17719.7125.2
Jun25° / 15°8713.6126.1
Jul25° / 14°5110.7126.6
Aug25° / 15°7813.3126.1
Sep26° / 15°9314.2125.9
Oct26° / 15°14917.5125.2
Nov25° / 15°26023.4124.4
Dec25° / 15°21621.2125.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 28% of August, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33565
43664
53664
63664
73763
83862
93862
103961
113961
123961
133961
143961
153961
163961
173961
184060
193961
203961
213961
223961
233961
243961
253862
263862
273862
283862
293961
303961
313862

Chance of precipitation in August

Any precipitation

Kisii gets around 78 mm of rain over 13.3 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 44% and peaks near 52% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
138
238
338
438
538
638
739
839
940
1040
1141
1242
1342
1443
1543
1644
1744
1845
1945
2046
2146
2246
2347
2447
2548
2649
2749
2850
2951
3051
3152

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
138584
238593
339583
439583
540573
640573
740573
840564
940564
1040564
1139565
1239565
1338575
1438566
1537576
1637576
1737576
1837576
1937567
2037567
2137567
2237576
2337576
2437576
2538566
2638566
2738566
2838566
2938557
3038557
3139547

Wind in August

Winds average 6 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
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 6:48 AM to 6:41 AM, and sunset from 6:46 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:486:46
212.06:486:46
312.06:486:46
412.06:486:46
512.06:486:46
612.06:476:46
712.06:476:46
812.06:476:46
912.06:476:45
1012.06:476:45
1112.06:476:45
1212.06:476:45
1312.06:466:45
1412.06:466:45
1512.06:466:45
1612.06:466:44
1712.06:456:44
1812.06:456:44
1912.06:456:44
2012.06:456:44
2112.06:446:43
2212.06:446:43
2312.06:446:43
2412.06:446:43
2512.06:436:42
2612.06:436:42
2712.06:436:42
2812.06:426:41
2912.06:426:41
3012.06:426:41
3112.06:416:41

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.74 kWh/m².

For context, solar energy here swings from a low near 5.37 kWh/m² to a high of 6.62 kWh/m² in February across the year — August's 5.74 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in August

Is August a good time to visit Kisii?

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

6.1
Sightseeing
2nd-best month of the year
5.6
Beach & pool
4th-best month of the year

August is a reasonable time to visit Kisii for sightseeing.

What to pack for Kisii in August

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

In August, Kisii sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Kisii in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kisii peaks around March 16 at about 16 (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 16UV 16Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Kisii 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 Kisii is worst in June — around 60 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorJun 2360 µg/m³Mar 1344 µg/m³
PM2.5 (µg/m³)Level
Jan50Poor
Feb45Poor
Mar44Poor
Apr47Poor
May52Poor
Jun60Unhealthy
Jul60Unhealthy
Aug54Poor
Sep50Poor
Oct49Poor
Nov51Poor
Dec50Poor
Location & terrain

Where is Kisii?

Kisii sits at 0.7°S, 34.8°E, 1,686 m above sea level, in Kenya. The nearest listed city is Thomas Magena home, 10 km away.

Topography around Kisii

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

Within 3 km, the terrain around Kisii has significant variations in elevation — a maximum elevation change of 369 m around an average of 1,703 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 739 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,275 m.

The land around Kisii is covered by trees (54%) and artificial surfaces (26%) within 3 km, trees (70%) and shrubs (22%) within 16 km, and trees (29%), grassland (28%) and shrubs (21%) within 80 km.

3 km
369 m
16 km
739 m
80 km
1,275 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Thomas Magena home 10 km · Ogembo 14 km · Oyugis 20 km · Rongo 21 km · Nyamira 23 km · Awendo 36 km · Homa Bay 38 km · Awendo 46 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 Kisii (-0.6817°, 34.7667°, elevation 1,686 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).