Nyeri in Summer
In summer (December, January and February), Nyeri sees average daytime highs around 22°C and overnight lows near 11°C, with 375 mm of rain over about 48 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 20°C in early December to 23°C by late February. The sky is clear or mostly clear about 30% of the time across summer, and the air most often feels dry.
Summer is Nyeri's best season of the year to visit on our travel score. For the whole year in context, see Nyeri's year-round climate.
- Avg daytime high
- 22°C
- warmest season of the year
- Avg overnight low
- 11°C
- Rainfall
- 375 mm
- 48 wet days
- Avg wind
- 5 km/h
- Travel score
- 5.7
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Nyeri in Summer
Over the season highs climb from about 20°C in early December to 23°C by late February.
A typical summer day in Nyeri reaches about 22°C and drops to 11°C overnight. The warmest of the three months is February, the coolest January.
Nyeri 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 | 22° / 11° | 110 | 14.5 | 12 | 6.1 |
| Feb | 23° / 11° | 84 | 11.9 | 12 | 6.4 |
| Mar | 23° / 12° | 133 | 18.5 | 12 | 5.6 |
| Apr | 21° / 13° | 206 | 25.4 | 12 | 4.1 |
| May | 20° / 13° | 158 | 22.2 | 12 | 4.5 |
| Jun | 19° / 12° | 77 | 16.6 | 12 | 4.9 |
| Jul | 18° / 11° | 52 | 14.1 | 12 | 5.0 |
| Aug | 18° / 11° | 57 | 15.4 | 12 | 5.0 |
| Sep | 20° / 11° | 46 | 11.9 | 12 | 5.9 |
| Oct | 20° / 12° | 129 | 18.7 | 12 | 5.1 |
| Nov | 20° / 12° | 230 | 26.4 | 12 | 3.8 |
| Dec | 21° / 12° | 181 | 22 | 12 | 4.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 30% of the time across summer.
Chance of precipitation in Summer
Nyeri gets around 375 mm of rain over 48 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 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 6.1 kWh/m².
Is summer a good time to visit Nyeri?
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 Nyeri for sightseeing.
What to pack for Nyeri in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Nyeri sees daytime highs around 22°C and nights near 11°C. Pack rain gear and sun protection. Worth having: light clothes. About 48 days see rain.
UV index in Nyeri in Summer
Clear-sky midday UV across summer averages around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nyeri 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 | 13 | 14 | 14 | 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 | 13 | Extreme |
| Sep | 14 | Extreme |
| Oct | 14 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Air quality in Nyeri 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 Nyeri is worst in June — around 65 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) | 62 | 59 | 56 | 56 | 57 | 65 | 60 | 51 | 48 | 48 | 60 | 64 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 62 | Unhealthy |
| Feb | 59 | Unhealthy |
| Mar | 56 | Unhealthy |
| Apr | 56 | Unhealthy |
| May | 57 | Unhealthy |
| Jun | 65 | Unhealthy |
| Jul | 60 | Unhealthy |
| Aug | 51 | Poor |
| Sep | 48 | Poor |
| Oct | 48 | Poor |
| Nov | 60 | Unhealthy |
| Dec | 64 | Unhealthy |
Where is Nyeri?
Nyeri sits at 0.4°S, 36.9°E, 1,812 m above sea level, in Kenya. The nearest listed city is Tetu, 4.0 km away.
Topography around Nyeri
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nyeri.
Within 3 km, the terrain around Nyeri has only modest variations in elevation — a maximum elevation change of 231 m around an average of 1,798 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 986 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,987 m.
The land around Nyeri is covered by trees (54%) within 3 km, trees (55%) and shrubs (23%) within 16 km, and trees (32%), grassland (30%) 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 Nyeri (-0.4201°, 36.9476°, elevation 1,812 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.