Koungou in Summer
In summer (December, January and February), Koungou sees average daytime highs around 28°C and overnight lows near 26°C, with 544 mm of rain over about 58 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 22% of the time across summer, and the air most often feels oppressive.
Summer is Koungou's weakest season of the year to visit on our travel score. Koungou has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Koungou's year-round climate.
- Avg daytime high
- 28°C
- 2nd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 544 mm
- 58 wet days
- Avg wind
- 15 km/h
- Travel score
- 4.9
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Koungou in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Koungou reaches about 28°C and drops to 26°C overnight. The warmest of the three months is February, the coolest December.
Koungou 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 | 28° / 26° | 238 | 21.7 | 12.7 | 4.5 |
| Feb | 28° / 26° | 196 | 19.8 | 12.4 | 4.5 |
| Mar | 28° / 26° | 169 | 20 | 12.1 | 4.7 |
| Apr | 28° / 27° | 69 | 13 | 11.7 | 6.0 |
| May | 27° / 26° | 21 | 5.8 | 11.4 | 7.6 |
| Jun | 26° / 25° | 12 | 2.9 | 11.3 | 8.4 |
| Jul | 25° / 24° | 10 | 2.5 | 11.3 | 8.7 |
| Aug | 25° / 24° | 10 | 2.1 | 11.6 | 8.9 |
| Sep | 25° / 24° | 12 | 3.6 | 11.9 | 8.5 |
| Oct | 26° / 25° | 20 | 5.4 | 12.3 | 8.0 |
| Nov | 27° / 26° | 40 | 9 | 12.6 | 7.1 |
| Dec | 27° / 26° | 109 | 16.5 | 12.7 | 5.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 22% of the time across summer.
Chance of precipitation in Summer
Koungou gets around 544 mm of rain over 58 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 15 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 42 min in early December to 12 h 18 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 6.1 kWh/m².
Hazard calendar for Koungou
In summer, Koungou overlaps its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.
Koungou sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Koungou's monsoon runs December–March, when most of the year's rain falls.
Is summer a good time to visit Koungou?
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 Koungou for sightseeing.
What to pack for Koungou in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Koungou sees daytime highs around 28°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 58 days see rain.
Sea temperature near Koungou in Summer
The nearest coast averages about 29°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 15 km away) is warmest in March at about 30°C and coldest in August near 26°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) | 29 | 29 | 30 | 29 | 29 | 27 | 26 | 26 | 26 | 27 | 28 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 30 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 26 | Warm |
| Sep | 26 | Warm |
| Oct | 27 | Warm |
| Nov | 28 | Warm |
| Dec | 29 | Tropical |
UV index in Koungou 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 Koungou peaks around February 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 8 (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) | 15 | 15 | 14 | 12 | 10 | 8 | 9 | 11 | 12 | 13 | 12 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Where is Koungou?
Koungou sits at 12.7°S, 45.2°E, 40 m above sea level, in Mayotte. The nearest listed city is Kaouéni, 5.0 km away.
Topography around Koungou
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Koungou.
Within 3 km, the terrain around Koungou has significant variations in elevation — a maximum elevation change of 391 m around an average of 54 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 562 m; within 80 km, large variations in elevation — a maximum elevation change of 616 m.
The land around Koungou is covered by water (53%) and trees (40%) within 3 km, water (69%) and trees (28%) within 16 km, and water (96%) within 80 km.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Koungou (-12.7336°, 45.2042°, elevation 40 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.