Kisii in Summer
In summer (December, January and February), Kisii sees average daytime highs around 26°C and overnight lows near 15°C, with 465 mm of rain over about 51 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Over the season highs climb from about 25°C in early December to 27°C by late February. The sky is clear or mostly clear about 19% of the time across summer, and the air most often feels comfortable.
Summer is Kisii's 2nd-best season to visit on our travel score. For the whole year in context, see Kisii's year-round climate.
- Avg daytime high
- 26°C
- warmest season of the year
- Avg overnight low
- 15°C
- Rainfall
- 465 mm
- 51 wet days
- Avg wind
- 5 km/h
- Travel score
- 5.5
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in Kisii in Summer
Over the season highs climb from about 25°C in early December to 27°C by late February.
A typical summer day in Kisii reaches about 26°C and drops to 15°C overnight. The warmest of the three months is February, the coolest January.
Kisii weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 15° | 151 | 16.7 | 12 | 5.6 |
| Feb | 27° / 15° | 98 | 12.9 | 12 | 5.8 |
| Mar | 27° / 16° | 189 | 18.9 | 12 | 5.1 |
| Apr | 26° / 16° | 278 | 23.4 | 12 | 4.4 |
| May | 25° / 16° | 177 | 19.7 | 12 | 5.2 |
| Jun | 25° / 15° | 87 | 13.6 | 12 | 6.1 |
| Jul | 25° / 14° | 51 | 10.7 | 12 | 6.6 |
| Aug | 25° / 15° | 78 | 13.3 | 12 | 6.1 |
| Sep | 26° / 15° | 93 | 14.2 | 12 | 5.9 |
| Oct | 26° / 15° | 149 | 17.5 | 12 | 5.2 |
| Nov | 25° / 15° | 260 | 23.4 | 12 | 4.4 |
| Dec | 25° / 15° | 216 | 21.2 | 12 | 5.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 19% of the time across summer.
Chance of precipitation in Summer
Kisii gets around 465 mm of rain over 51 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 hours in early December to 12 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.2 kWh/m².
Is summer a good time to visit Kisii?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Kisii for sightseeing.
What to pack for Kisii in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Kisii sees daytime highs around 26°C and nights near 15°C. Pack light clothes, rain gear and sun protection. About 51 days see rain.
UV index in Kisii in Summer
Clear-sky midday UV across summer averages around 14 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 15 | 16 | 15 | 12 | 10 | 11 | 11 | 14 | 14 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 16 | Extreme |
| Apr | 15 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 14 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Air quality in Kisii in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 50 | 45 | 44 | 47 | 52 | 60 | 60 | 54 | 50 | 49 | 51 | 50 |
| Level | Poor | Poor | Poor | Poor | Poor | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 50 | Poor |
| Feb | 45 | Poor |
| Mar | 44 | Poor |
| Apr | 47 | Poor |
| May | 52 | Poor |
| Jun | 60 | Unhealthy |
| Jul | 60 | Unhealthy |
| Aug | 54 | Poor |
| Sep | 50 | Poor |
| Oct | 49 | Poor |
| Nov | 51 | Poor |
| Dec | 50 | Poor |
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.
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
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.