Fomboni in Winter
In winter (June, July and August), Fomboni sees average daytime highs around 25°C and overnight lows near 24°C, with 38 mm of rain over about 10 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 25°C. The sky is clear or mostly clear about 80% of the time across winter, and the air most often feels muggy.
Winter is Fomboni's best season of the year to visit on our travel score. Fomboni 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 Fomboni's year-round climate.
- Avg daytime high
- 25°C
- coldest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 38 mm
- 10 wet days
- Avg wind
- 21 km/h
- Travel score
- 8.5
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Fomboni in Winter
Across winter, daytime highs hold fairly steady around 25°C.
A typical winter day in Fomboni reaches about 25°C and drops to 24°C overnight. The warmest of the three months is June, the coolest August.
How winter really feels in Fomboni
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.
Fomboni 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 | 28° / 27° | 168 | 17.6 | 12.6 | 5.1 |
| Feb | 28° / 27° | 159 | 16.9 | 12.4 | 4.8 |
| Mar | 28° / 27° | 139 | 19.5 | 12.1 | 4.7 |
| Apr | 28° / 27° | 88 | 14.1 | 11.7 | 5.8 |
| May | 27° / 26° | 31 | 6.9 | 11.4 | 7.4 |
| Jun | 26° / 25° | 17 | 4.1 | 11.3 | 8.1 |
| Jul | 25° / 24° | 13 | 3.3 | 11.4 | 8.5 |
| Aug | 25° / 24° | 8 | 2.4 | 11.6 | 8.8 |
| Sep | 25° / 24° | 7 | 2.2 | 11.9 | 8.8 |
| Oct | 26° / 25° | 13 | 3.2 | 12.3 | 8.4 |
| Nov | 27° / 26° | 31 | 4.9 | 12.6 | 7.8 |
| Dec | 28° / 26° | 84 | 13 | 12.7 | 6.1 |
Cloud cover in Winter
The sky is clear or mostly clear about 80% of the time across winter.
Chance of precipitation in Winter
Fomboni gets around 38 mm of rain over 10 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 21 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 18 min in early June to 11 h 42 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 5.0 kWh/m².
Hazard calendar for Fomboni
None of Fomboni's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Fomboni sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Fomboni's rainy season runs December–April, when most of the year's rain falls.
Is winter a good time to visit Fomboni?
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 one of the better times to visit Fomboni for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Fomboni in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Fomboni sees daytime highs around 25°C and nights near 24°C. Worth packing: light clothes, sun protection and a windbreaker. About 10 days see rain.
Sea temperature near Fomboni 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 at the nearest coast (about 16 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 | 28 | 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 | 28 | 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 Fomboni in Winter
Clear-sky midday UV across winter averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Fomboni peaks around February 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 9 (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 | 15 | 14 | 12 | 10 | 9 | 9 | 11 | 12 | 13 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Where is Fomboni?
Fomboni sits at 12.3°S, 43.7°E, 18 m above sea level, in Comoros. The nearest listed city is Moutsamoudou, 73 km away.
Topography around Fomboni
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Fomboni.
Within 3 km, the terrain around Fomboni has significant variations in elevation — a maximum elevation change of 554 m around an average of 100 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 780 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,346 m.
The land around Fomboni is covered by trees (52%) and water (39%) within 3 km, water (75%) and trees (24%) within 16 km, and water (92%) within 80 km.
Comoros travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 220 V · 50 Hz
- Prices
- ≈ 49% of US
- price level, 2025
- GDP per capita
- $2,056
- 2025
- Happiness
- 3.9 / 10
- World Happiness, 2025
- Road deaths
- 26.6
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- 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 Fomboni (-12.2876°, 43.7434°, elevation 18 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.