Nanyuki in Summer
In summer (June, July and August), Nanyuki sees average daytime highs around 22°C and overnight lows near 12°C, with 141 mm of rain over about 30 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 22°C. The sky is clear or mostly clear about 14% of the time across summer, and the air most often feels dry.
Summer is Nanyuki's 2nd-best season to visit on our travel score. For the whole year in context, see Nanyuki's year-round climate.
- Avg daytime high
- 22°C
- coldest season of the year
- Avg overnight low
- 12°C
- Rainfall
- 141 mm
- 30 wet days
- Avg wind
- 8 km/h
- Travel score
- 6.4
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Nanyuki in Summer
Across summer, daytime highs hold fairly steady around 22°C.
A typical summer day in Nanyuki reaches about 22°C and drops to 12°C overnight. The warmest of the three months is June, the coolest July.
Nanyuki weather by month
How the three summer months (June, July and August) 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 | 24° / 12° | 45 | 7.5 | 12 | 7.5 |
| Feb | 25° / 12° | 33 | 4.9 | 12 | 7.6 |
| Mar | 25° / 13° | 66 | 10.5 | 12 | 6.8 |
| Apr | 24° / 14° | 218 | 19.7 | 12 | 5.2 |
| May | 23° / 14° | 199 | 15.4 | 12 | 6.0 |
| Jun | 22° / 13° | 42 | 9 | 12 | 6.6 |
| Jul | 21° / 12° | 45 | 10.2 | 12 | 6.3 |
| Aug | 21° / 12° | 54 | 10.9 | 12 | 6.3 |
| Sep | 23° / 12° | 41 | 8.5 | 12 | 7.0 |
| Oct | 23° / 13° | 219 | 18.1 | 12 | 5.6 |
| Nov | 22° / 13° | 203 | 22.4 | 12 | 4.7 |
| Dec | 23° / 12° | 62 | 12.8 | 12 | 6.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 14% of the time across summer.
Chance of precipitation in Summer
Nanyuki gets around 141 mm of rain over 30 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 hours in early June to 12 hours by late August. 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 5.2 kWh/m².
Is summer a good time to visit Nanyuki?
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 Nanyuki for sightseeing.
What to pack for Nanyuki in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Nanyuki sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 30 days see rain.
UV index in Nanyuki in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nanyuki 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 16 | 16 | 17 | 16 | 13 | 11 | 12 | 12 | 14 | 15 | 14 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 16 | Extreme |
| Mar | 17 | Extreme |
| Apr | 16 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 14 | Extreme |
| Oct | 15 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Air quality in Nanyuki 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 Nanyuki 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 27 | 31 | 28 | 27 | 28 | 34 | 34 | 28 | 25 | 24 | 27 | 28 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 27 | Moderate |
| Feb | 31 | Moderate |
| Mar | 28 | Moderate |
| Apr | 27 | Moderate |
| May | 28 | Moderate |
| Jun | 34 | Moderate |
| Jul | 34 | Moderate |
| Aug | 28 | Moderate |
| Sep | 25 | Moderate |
| Oct | 24 | Moderate |
| Nov | 27 | Moderate |
| Dec | 28 | Moderate |
Where is Nanyuki?
Nanyuki sits at 0.0°N, 37.1°E, 1,951 m above sea level, in Kenya. The nearest listed city is Nyeri, 49 km away.
Topography around Nanyuki
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nanyuki.
Within 3 km, the terrain around Nanyuki has only modest variations in elevation — a maximum elevation change of 133 m around an average of 1,946 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 896 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,231 m.
The land around Nanyuki is covered by grassland (34%) and artificial surfaces (27%) within 3 km, grassland (46%), trees (21%) and shrubs (20%) within 16 km, and grassland (40%), trees (25%) and shrubs (23%) 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 Nanyuki (0.0062°, 37.074°, elevation 1,951 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.