Tamarin weather in December

In December, Tamarin sees average daytime highs of 27°C and overnight lows near 25°C, with 74 mm of rain across 12.2 wet days and about 13.2 hours of daylight. It is the 4th-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 33% 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 Tamarin's 9th-clearest and 11th-windiest month. For the whole year in context, see Tamarin's year-round climate.

Daytime high
27°
4th warmest
Overnight low
25°
8th coldest
Rainfall
74 mm
12.2 wet days
Daylight
13 h 12 min
5:30 AM – 6:43 PM
Cloud cover
53%
9th clearest
Wind
17 km/h
11th windiest
Solar energy
7.29 kWh/m²
Travel score
6.2
out of 10

Tamarin is human settlement 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 Tamarin reaches about 27°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°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)
12724
22724
32724
42724
52724
62724
72724
82724
92724
102724
112724
122725
132725
142725
152725
162725
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

Tamarin weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°15816.613.15.3
Feb28° / 26°12815.212.75.0
Mar28° / 25°1001212.15.9
Apr27° / 25°387.711.57.0
May26° / 23°244.2118.0
Jun24° / 22°10210.88.6
Jul24° / 21°81.710.98.6
Aug23° / 21°11211.38.5
Sep24° / 21°152.411.98.5
Oct25° / 22°163.612.58.1
Nov26° / 23°287.1137.3
Dec27° / 25°7412.213.26.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 30% of December, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27426
37426
47426
57426
67327
77327
87228
97228
107228
117129
127129
136931
146931
156832
166634
176634
186436
196337
206139
215941
225842
235743
245545
255446
265248
275149
285050
294852
304852
314753

Chance of precipitation in December

Any precipitation

Tamarin gets around 74 mm of rain over 12.2 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 40% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
133
234
334
435
535
636
736
837
937
1038
1138
1238
1338
1438
1539
1639
1739
1839
1939
2040
2140
2241
2342
2442
2543
2644
2745
2846
2947
3049
3150

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1763300
2662320
3562330
4560350
5559360
6458380
7457390
8455410
9354421
10352441
11351451
12350471
13349481
14248491
15246511
16245521
17244531
18243541
19242551
20241561
21240571
22239581
23238591
24237592
25236602
26235603
27234613
28133624
29131644
30130645
31129655

Wind in December

Winds average 17 km/h in December.

Across December, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

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 6:35 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:266:35
213.25:266:35
313.25:266:36
413.25:266:36
513.25:276:37
613.25:276:38
713.25:276:38
813.25:276:39
913.25:286:39
1013.25:286:40
1113.25:286:41
1213.25:296:41
1313.25:296:42
1413.25:296:42
1513.25:306:43
1613.25:306:43
1713.25:306:44
1813.25:316:44
1913.25:316:45
2013.25:326:45
2113.25:326:46
2213.25:336:46
2313.25:336:47
2413.25:336:47
2513.25:346:48
2613.25:346:48
2713.25:356:49
2813.25:366:49
2913.25:366:49
3013.25:376:50
3113.25:376:50

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.29 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.88 kWh/m² to a high of 7.29 kWh/m² in December across the year — December's 7.29 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.4Intense
127.4Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.3Intense
207.3Intense
217.2Intense
227.2Intense
237.2Intense
247.1Intense
257.1Intense
267.1Intense
277.0Intense
287.0Intense
297.0Intense
307.0Intense
316.9Intense
Planning a trip in December

Hazard calendar for Tamarin

In seasonPeak

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

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

Tamarin's rainy season runs December–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 Tamarin?

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

6.2
Sightseeing
9th-best month of the year
6.4
Beach & pool
10th-best month of the year

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

What to pack for Tamarin in December

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

In December, Tamarin sees daytime highs around 27°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

Sea temperature near Tamarin 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 offshore 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
Apr27Warm
May27Warm
Jun25Warm
Jul24Refreshing
Aug24Refreshing
Sep24Refreshing
Oct24Warm
Nov25Warm
Dec27Warm

UV index in Tamarin 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 Tamarin peaks around January 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 6 (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 23UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun6High
Jul7High
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Tamarin?

Tamarin sits at 20.3°S, 57.4°E, 0 m above sea level, in Mauritius. The nearest listed city is Flic en Flac, 5.0 km away.

Flic en FlacBambousChamarelVacoas-PhoenixQuatre BornesBeau Bassin-Rose HillCurepipeBel Ombre

Topography around Tamarin

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

Within 3 km, the terrain around Tamarin has significant variations in elevation — a maximum elevation change of 524 m around an average of 29 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 803 m; within 80 km, large variations in elevation — a maximum elevation change of 786 m.

The land around Tamarin is covered by water (44%) and trees (36%) within 3 km, water (51%) and trees (32%) within 16 km, and water (83%) within 80 km.

3 km
524 m
16 km
803 m
80 km
786 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Flic en Flac 5.0 km · Bambous 9.0 km · Chamarel 11 km · Vacoas-Phoenix 12 km · Quatre Bornes 13 km · Beau Bassin-Rose Hill 14 km · Curepipe 16 km · Bel Ombre 20 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 Tamarin (-20.3256°, 57.3706°, 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).