Triolet weather in December

In December, Triolet sees average daytime highs of 27°C and overnight lows near 25°C, with 61 mm of rain across 11.1 wet days and about 13.2 hours of daylight. It is the 5th-warmest and 4th-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 45% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 06 min at the start of December to 13 h 12 min by month's end. Set against the rest of the year, December is Triolet's 9th-clearest and 11th-windiest month. For the whole year in context, see Triolet's year-round climate.

Daytime high
27°
5th warmest
Overnight low
25°
8th coldest
Rainfall
61 mm
11.1 wet days
Daylight
13 h 12 min
5:30 AM – 6:42 PM
Cloud cover
49%
9th clearest
Wind
20 km/h
11th windiest
Solar energy
7.15 kWh/m²
Travel score
6.5
out of 10

Triolet is city in Mauritius.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Triolet reaches about 27°C in the afternoon and slips back to 25°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 about 1°C warmer than November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12624
22624
32624
42624
52624
62624
72624
82624
92724
102724
112724
122725
132725
142725
152725
162725
172725
182725
192725
202725
212725
222725
232725
242725
252725
262725
272725
282725
292725
302725
312725

Triolet weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°15416.813.15.5
Feb28° / 26°13815.912.75.3
Mar28° / 25°11914.112.16.0
Apr27° / 25°499.611.66.8
May25° / 24°285.911.17.8
Jun24° / 22°122.810.88.6
Jul23° / 21°92.410.98.5
Aug23° / 21°142.511.38.4
Sep23° / 21°142.611.98.5
Oct24° / 22°132.712.58.5
Nov25° / 23°255.9137.7
Dec27° / 25°6111.113.26.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27921
37822
47822
57723
67723
77624
87525
97426
107426
117228
127129
137129
146931
156931
166733
176634
186535
196436
206337
216238
226040
236040
245941
255842
265743
275644
285545
295446
305347
315347

Chance of precipitation in December

Any precipitation

Triolet gets around 61 mm of rain over 11.1 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 37% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
126
227
327
428
529
629
730
831
932
1033
1134
1234
1335
1436
1537
1637
1738
1838
1938
2039
2139
2240
2341
2441
2542
2643
2744
2845
2946
3047
3148

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1555400
2553420
3453430
4451450
5450460
6348481
7347491
8346501
9344521
10343531
11342541
12341551
13340561
14338581
15337591
16336601
17335611
18334621
19334621
20333631
21332641
22331651
23330661
24329662
25228682
26227683
27226693
28125704
29124714
30122725
31121726

Wind in December

Winds average 20 km/h in December.

Across December, daily wind ranges from about 19 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2420breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 06 min at the start of December to 13 h 12 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 5:26 AM to 5:37 AM, and sunset from 6:33 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:266:33
213.15:266:34
313.15:266:35
413.15:266:35
513.25:266:36
613.25:276:36
713.25:276:37
813.25:276:38
913.25:276:38
1013.25:286:39
1113.25:286:39
1213.25:286:40
1313.25:296:41
1413.25:296:41
1513.25:296:42
1613.25:306:42
1713.25:306:43
1813.25:316:43
1913.25:316:44
2013.25:316:44
2113.25:326:45
2213.25:326:45
2313.25:336:46
2413.25:336:46
2513.25:346:47
2613.25:346:47
2713.25:356:47
2813.25:356:48
2913.25:366:48
3013.25:366:49
3113.25:376:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.15 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 7.15 kWh/m² in December across the year — December's 7.15 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.2Intense
147.2Intense
157.2Intense
167.2Intense
177.2Intense
187.1Intense
197.1Intense
207.1Intense
217.1Intense
227.1Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
276.9Intense
286.9Intense
296.9Intense
306.8Intense
316.8Intense
Planning a trip in December

Hazard calendar for Triolet

In seasonPeak

In December, Triolet sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

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

Triolet's rainy season runs January–March, when most of the year's rain falls.

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

Is December a good time to visit Triolet?

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

6.5
Sightseeing
9th-best month of the year
6.5
Beach & pool
8th-best month of the year

December is a reasonable time to visit Triolet for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Triolet in December

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

In December, Triolet sees daytime highs around 27°C and nights near 25°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Triolet in December

The nearest coast averages about 27°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in February at about 28°C and coldest in August near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar28Warm
Apr28Warm
May27Warm
Jun25Warm
Jul24Warm
Aug24Refreshing
Sep24Refreshing
Oct24Warm
Nov25Warm
Dec27Warm

UV index in Triolet in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks 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 Triolet peaks around January 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 17UV 15Jun 22UV 7
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Triolet?

Triolet sits at 20.1°S, 57.6°E, 34 m above sea level, in Mauritius. The nearest listed city is Lallmatie, 5.0 km away.

LallmatiePamplemoussesBaie-du-TombeauLe HochetGoodlandsPort LouisSaint PierreBeau Bassin-Rose Hill

Topography around Triolet

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

Within 3 km, the terrain around Triolet has only modest variations in elevation — a maximum elevation change of 78 m around an average of 32 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 760 m; within 80 km, large variations in elevation — a maximum elevation change of 786 m.

The land around Triolet is covered by trees (31%) and cropland (27%) within 3 km, water (53%) and trees (22%) within 16 km, and water (85%) within 80 km.

3 km
78 m
16 km
760 m
80 km
786 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Lallmatie 5.0 km · Pamplemousses 6.0 km · Baie-du-Tombeau 9.0 km · Le Hochet 9.0 km · Goodlands 11 km · Port Louis 13 km · Saint Pierre 18 km · Beau Bassin-Rose Hill 21 km

Mauritius travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E / G
230 V · 50 Hz
Prices
≈ 39% of US
price level, 2025
GDP per capita
$12,991
2025
Happiness
5.9 / 10
World Happiness, 2025
Homicide rate
2.3
per 100k, 2022
Road deaths
12.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Hindu 49%Roman Catholic 26%Muslim 17%other Christian 6%

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 Triolet (-20.0576°, 57.5502°, elevation 34 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).