Diani Beach in Winter
In winter (June, July and August), Diani Beach sees average daytime highs around 27°C and overnight lows near 22°C, with 224 mm of rain over about 60 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 39% of the time across winter, and the air most often feels muggy.
Winter is Diani Beach's best season of the year to visit on our travel score. For the whole year in context, see Diani Beach's year-round climate.
- Avg daytime high
- 27°C
- coldest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 224 mm
- 60 wet days
- Avg wind
- 17 km/h
- Travel score
- 5.1
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Diani Beach in Winter
Across winter, daytime highs hold fairly steady around 27°C.
A typical winter day in Diani Beach reaches about 27°C and drops to 22°C overnight. The warmest of the three months is June, the coolest August.
How winter really feels in Diani Beach
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Diani Beach weather by month
How the three winter 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 | 32° / 25° | 23 | 4.3 | 12.2 | 4.6 |
| Feb | 32° / 25° | 17 | 3.8 | 12.1 | 4.4 |
| Mar | 32° / 25° | 56 | 14.3 | 12 | 3.7 |
| Apr | 30° / 25° | 136 | 24.1 | 11.9 | 3.3 |
| May | 28° / 24° | 212 | 23.2 | 11.8 | 4.1 |
| Jun | 27° / 23° | 92 | 20.5 | 11.8 | 4.9 |
| Jul | 27° / 22° | 72 | 20 | 11.8 | 5.2 |
| Aug | 27° / 22° | 61 | 19.6 | 11.9 | 5.3 |
| Sep | 28° / 22° | 54 | 17.6 | 12 | 5.5 |
| Oct | 29° / 23° | 90 | 17.4 | 12.1 | 4.9 |
| Nov | 30° / 24° | 78 | 17.3 | 12.2 | 4.3 |
| Dec | 31° / 25° | 58 | 13.7 | 12.2 | 4.2 |
Cloud cover in Winter
The sky is clear or mostly clear about 39% of the time across winter.
Chance of precipitation in Winter
Diani Beach gets around 224 mm of rain over 60 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 17 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 48 min in early June to 11 h 54 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.1 kWh/m².
Hazard calendar for Diani Beach
None of Diani Beach's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Diani Beach sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Diani Beach's rainy season runs April–May, when most of the year's rain falls.
Is winter a good time to visit Diani Beach?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Diani Beach for sightseeing.
What to pack for Diani Beach in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Diani Beach sees daytime highs around 27°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 60 days see rain.
Sea temperature near Diani Beach in Winter
The nearest coast averages about 26°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in March 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 | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| 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 Diani Beach in Winter
Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Diani Beach peaks around March 18 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 | 13 | 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 | 13 | Extreme |
| Dec | 12 | Extreme |
Air quality in Diani Beach in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Diani Beach is worst in January — around 22 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 12 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 22 | 20 | 16 | 13 | 14 | 16 | 16 | 15 | 13 | 12 | 15 | 21 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 22 | Moderate |
| Feb | 20 | Moderate |
| Mar | 16 | Moderate |
| Apr | 13 | Moderate |
| May | 14 | Moderate |
| Jun | 16 | Moderate |
| Jul | 16 | Moderate |
| Aug | 15 | Moderate |
| Sep | 13 | Moderate |
| Oct | 12 | Moderate |
| Nov | 15 | Moderate |
| Dec | 21 | Moderate |
Where is Diani Beach?
Diani Beach sits at 4.3°S, 39.6°E, 0 m above sea level, in Kenya. The nearest listed city is Ukunda, 4.0 km away.
Topography around Diani Beach
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Diani Beach.
Within 3 km, the terrain around Diani Beach has only modest variations in elevation — a maximum elevation change of 30 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 336 m; within 80 km, large variations in elevation — a maximum elevation change of 800 m.
The land around Diani Beach is covered by water (53%) and trees (30%) within 3 km, water (51%) and trees (28%) within 16 km, and water (43%) and grassland (22%) 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 Diani Beach (-4.2798°, 39.5947°, elevation 0 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.