Beau Vallon in Summer

In summer (December, January and February), Beau Vallon sees average daytime highs around 27°C and overnight lows near 26°C, with 559 mm of rain over about 57 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 27°C. The sky is clear or mostly clear about 25% of the time across summer, and the air most often feels oppressive.

Summer is Beau Vallon's weakest season of the year to visit on our travel score. Beau Vallon 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 Beau Vallon's year-round climate.

Avg daytime high
27°C
2nd-warmest season
Avg overnight low
26°C
Rainfall
559 mm
57 wet days
Avg wind
16 km/h
Travel score
5.1
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Beau Vallon in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 27°C.

A typical summer day in Beau Vallon reaches about 27°C and drops to 26°C overnight. The warmest of the three months is February, the coolest December.

20°23°25°28°30°DecJanFeb

How summer really feels in Beau Vallon

Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Beau Vallon 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°22020.212.24.9
Feb28° / 26°12713.112.25.7
Mar28° / 27°10915.1125.4
Apr28° / 27°10816.911.95.0
May28° / 27°1381711.85.2
Jun27° / 26°871411.75.7
Jul26° / 25°5311.111.86.3
Aug26° / 25°6612.911.86.1
Sep26° / 25°12415.7125.7
Oct27° / 26°12715.912.15.8
Nov27° / 26°15317.612.25.4
Dec27° / 26°21123.412.34.6

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Beau Vallon gets around 559 mm of rain over 57 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 16 km/h across summer.

05101520DecJanFeb

Sunrise & sunset in Summer

DaylightNight

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.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.9 kWh/m².

0246DecJanFeb
Planning a trip in summer

Hazard calendar for Beau Vallon

In seasonPeak

In summer, Beau Vallon overlaps its cyclone season. The full year is below, with each hazard's peak months called out.

Beau Vallon sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is summer a good time to visit Beau Vallon?

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.

5.1
Sightseeing
4th-best month of the year
5.3
Beach & pool
4th-best month of the year

summer is a reasonable time to visit Beau Vallon for sightseeing.

What to pack for Beau Vallon in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, Beau Vallon sees daytime highs around 27°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 57 days see rain.

light clothesrain gearsun protection

Sea temperature near Beau Vallon 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 offshore is warmest in April 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.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep27Warm
Oct28Warm
Nov28Tropical
Dec28Tropical

UV index in Beau Vallon in Summer

LowModerateHighVery highExtreme

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 Beau Vallon peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Beau Vallon?

Beau Vallon sits at 4.6°S, 55.4°E, 0 m above sea level, in Seychelles. The nearest listed city is Victoria, 3.0 km away.

VictoriaTakamaka

Topography around Beau Vallon

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Beau Vallon.

Within 3 km, the terrain around Beau Vallon has large variations in elevation — a maximum elevation change of 910 m around an average of 226 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 928 m; within 80 km, large variations in elevation — a maximum elevation change of 887 m.

The land around Beau Vallon is covered by trees (71%) and water (22%) within 3 km, water (83%) within 16 km, and water (98%) within 80 km.

3 km
910 m
16 km
928 m
80 km
887 m
treesgrasslandartificial surfaceswater
Summer weather nearby: Victoria 3.0 km · Takamaka 18 km · Antsiranana 1,090 km · Iharan̈a 1,139 km · Ambilobe 1,183 km · Antsohimbondrona 1,186 km · Sambava 1,218 km · Ambarakaraka 1,222 km

Seychelles travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$19,449
2025
Safe drinking water
65%
of population, 2024
Homicide rate
8
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Roman Catholic 76%Protestant 11%other Christian 2%Hindu 2%

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 Beau Vallon (-4.6209°, 55.4301°, 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.