Beau Vallon weather in December

In December, Beau Vallon sees average daytime highs of 27°C and overnight lows near 26°C, with 211 mm of rain across 23.4 wet days and about 12.3 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 29% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Beau Vallon's 6th-clearest and 9th-windiest month. For the whole year in context, see Beau Vallon's year-round climate.

Daytime high
27°
6th warmest
Overnight low
26°
6th coldest
Rainfall
211 mm
23.4 wet days
Daylight
12 h 18 min
6:06 AM – 6:22 PM
Cloud cover
61%
6th clearest
Wind
16 km/h
9th windiest
Solar energy
5.78 kWh/m²
Travel score
4.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Beau Vallon reaches about 27°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12726
22726
32726
42726
52726
62726
72726
82726
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232726
242726
252726
262726
272726
282726
292726
302726
312726

How December really feels in Beau Vallon

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

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

December 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 December compares with the rest of the year at a glance. December is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36040
46139
56040
66040
75941
85941
95842
105743
115644
125446
135347
145248
155050
165050
174852
184555
194555
204357
214258
224159
234060
243961
253862
263862
274060
284060
294060
304060
314060

Chance of precipitation in December

Any precipitation

Beau Vallon gets around 211 mm of rain over 23.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 74% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
165
266
367
468
569
670
771
871
972
1073
1173
1274
1375
1475
1576
1677
1777
1878
1978
2079
2179
2279
2379
2479
2578
2677
2777
2876
2975
3074
3172

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11918
21918
31918
41918
51918
61918
71927
81927
91927
101927
111927
121927
131927
141927
151918
161918
171918
180928
190928
200928
210928
220928
230928
240928
250928
260928
270928
280928
290928
300937
310937

Wind in December

Winds average 16 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 min at the start of December to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:01 AM to 6:14 AM, and sunset from 6:15 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:016:15
212.36:016:16
312.36:016:16
412.36:026:17
512.36:026:17
612.36:026:18
712.36:036:18
812.36:036:19
912.36:036:19
1012.36:046:20
1112.36:046:20
1212.36:056:21
1312.36:056:21
1412.36:066:21
1512.36:066:22
1612.36:066:22
1712.36:076:23
1812.36:076:23
1912.36:086:24
2012.36:086:24
2112.36:096:25
2212.36:096:25
2312.36:106:26
2412.36:106:26
2512.36:116:27
2612.36:116:27
2712.36:126:28
2812.36:126:28
2912.36:136:28
3012.36:136:29
3112.36:146:29

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.78 kWh/m².

For context, solar energy here swings from a low near 5.1 kWh/m² to a high of 6.28 kWh/m² in March across the year — December's 5.78 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Bright
66.0Bright
76.0Bright
86.0Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for Beau Vallon

In seasonPeak

In December, Beau Vallon sits inside 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 December a good time to visit Beau Vallon?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.6
Sightseeing
12th-best month of the year
4.8
Beach & pool
12th-best month of the year

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

What to pack for Beau Vallon in December

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

In December, Beau Vallon sees daytime highs around 27°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Beau Vallon in December

The nearest coast averages about 28°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks 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 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
December 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).