Mariakani in Summer
In summer (December, January and February), Mariakani sees average daytime highs around 32°C and overnight lows near 23°C, with 126 mm of rain over about 29 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 35% of the time across summer, and the air most often feels oppressive.
Summer is Mariakani's 3rd-best season to visit on our travel score. For the whole year in context, see Mariakani's year-round climate.
- Avg daytime high
- 32°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 126 mm
- 29 wet days
- Avg wind
- 9 km/h
- Travel score
- 4.3
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Mariakani in Summer
Across summer, daytime highs hold fairly steady around 32°C.
A typical summer day in Mariakani reaches about 32°C and drops to 23°C overnight. The warmest of the three months is February, the coolest December.
How summer really feels in Mariakani
Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Mariakani 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 | 32° / 23° | 32 | 6.2 | 12.2 | 4.7 |
| Feb | 32° / 24° | 19 | 4.7 | 12.1 | 4.3 |
| Mar | 32° / 24° | 59 | 14.9 | 12 | 3.4 |
| Apr | 31° / 24° | 83 | 19.6 | 11.9 | 3.5 |
| May | 29° / 23° | 107 | 16.2 | 11.8 | 4.7 |
| Jun | 28° / 22° | 33 | 8.2 | 11.8 | 6.2 |
| Jul | 28° / 21° | 25 | 7.6 | 11.8 | 6.7 |
| Aug | 28° / 21° | 27 | 9.8 | 11.9 | 6.4 |
| Sep | 29° / 21° | 29 | 10.4 | 12 | 5.7 |
| Oct | 30° / 22° | 62 | 13.1 | 12.1 | 4.8 |
| Nov | 30° / 23° | 79 | 18.9 | 12.2 | 3.8 |
| Dec | 31° / 23° | 75 | 18.1 | 12.2 | 3.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 35% of the time across summer.
Chance of precipitation in Summer
Mariakani gets around 126 mm of rain over 29 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 12 min in early December to 12 h 06 min 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 6.0 kWh/m².
Is summer a good time to visit Mariakani?
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 Mariakani for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mariakani in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Mariakani sees daytime highs around 32°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 29 days see rain.
Sea temperature near Mariakani in Summer
The nearest coast averages about 28°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 34 km away) is warmest in April at about 29°C and coldest in August near 25°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 29 | 28 | 27 | 26 | 25 | 26 | 27 | 28 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Warm |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 26 | Warm |
| Oct | 27 | Warm |
| Nov | 28 | Warm |
| Dec | 28 | Tropical |
UV index in Mariakani in Summer
Clear-sky midday UV across summer averages 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 Mariakani peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (very high).
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) | 14 | 14 | 15 | 14 | 11 | 9 | 10 | 11 | 13 | 13 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Mariakani 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 Mariakani is worst in December — around 21 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) | 21 | 19 | 17 | 14 | 14 | 16 | 17 | 15 | 14 | 13 | 15 | 21 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 21 | Moderate |
| Feb | 19 | Moderate |
| Mar | 17 | Moderate |
| Apr | 14 | Moderate |
| May | 14 | Moderate |
| Jun | 16 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 14 | Moderate |
| Oct | 13 | Moderate |
| Nov | 15 | Moderate |
| Dec | 21 | Moderate |
Where is Mariakani?
Mariakani sits at 3.9°S, 39.5°E, 206 m above sea level, in Kenya. The nearest listed city is Mazeras, 14 km away.
Topography around Mariakani
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mariakani.
Within 3 km, the terrain around Mariakani has only modest variations in elevation — a maximum elevation change of 67 m around an average of 190 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 312 m; within 80 km, large variations in elevation — a maximum elevation change of 959 m.
The land around Mariakani is covered by grassland (43%) and shrubs (41%) within 3 km, grassland (58%) and shrubs (31%) within 16 km, and shrubs (36%), grassland (26%) and water (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 Mariakani (-3.8626°, 39.4746°, elevation 206 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.