Tsiombe weather in December

In December, Tsiombe sees average daytime highs of 32°C and overnight lows near 22°C, with 93 mm of rain across 13.9 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 35% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 30 min at the start of December to 13 h 36 min by month's end. Set against the rest of the year, December is Tsiombe's 10th-clearest and 9th-windiest month. For the whole year in context, see Tsiombe's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
22°
9th coldest
Rainfall
93 mm
13.9 wet days
Daylight
13 h 36 min
5:07 AM – 6:41 PM
Cloud cover
51%
10th clearest
Wind
13 km/h
9th windiest
Solar energy
7.2 kWh/m²
Travel score
3.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical December day in Tsiombe reaches about 32°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 36°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13221
23222
33222
43222
53222
63222
73222
83222
93222
103222
113222
123222
133222
143222
153222
163222
173222
183222
193222
203222
213222
223222
233223
243223
253223
263223
273223
283223
293223
303223
313223

How December really feels in Tsiombe

Once humidity and wind are folded in, December averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tsiombe weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°13515.913.43.4
Feb32° / 23°11713.312.93.7
Mar31° / 22°589.412.24.5
Apr30° / 21°337.311.45.7
May28° / 18°164.210.87.6
Jun26° / 16°92.610.58.5
Jul25° / 15°8210.68.7
Aug27° / 16°102.211.18.3
Sep29° / 17°102.211.86.9
Oct31° / 19°215.112.65.5
Nov32° / 21°466.613.24.6
Dec32° / 22°9313.913.53.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36238
46238
56238
66139
76139
86139
96040
106040
116040
125941
135941
146040
155941
165941
176040
185941
196040
206040
216040
226040
236040
246040
256040
266040
276040
286040
296040
306040
315941

Chance of precipitation in December

Any precipitation

Tsiombe gets around 93 mm of rain over 13.9 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 45% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
135
237
338
439
539
640
741
842
943
1043
1144
1245
1345
1445
1546
1646
1746
1846
1946
2047
2147
2247
2347
2448
2548
2649
2749
2850
2950
3050
3150

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 82% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
117225713
217215714
317215615
417205517
517195518
617185519
716185520
816175521
915165523
1015165424
1105155426
1204145527
1304145428
1404135330
1503135331
1603125233
1703125134
1803124936
1903114937
2003114838
2103104739
2203104741
230394642
240294543
250294544
260284446
270284347
280284347
290274348
300274348
310274349

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 30 min at the start of December to 13 h 36 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 5:04 AM to 5:15 AM, and sunset from 6:32 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:046:32
213.55:046:32
313.55:046:33
413.55:046:34
513.55:046:34
613.55:056:35
713.55:056:36
813.55:056:36
913.55:056:37
1013.55:056:38
1113.55:066:38
1213.65:066:39
1313.65:066:40
1413.65:076:40
1513.65:076:41
1613.65:076:41
1713.65:086:42
1813.65:086:42
1913.65:086:43
2013.65:096:43
2113.65:096:44
2213.65:106:44
2313.65:106:45
2413.65:116:45
2513.65:116:46
2613.65:126:46
2713.65:126:46
2813.65:136:47
2913.65:136:47
3013.65:146:48
3113.65:156:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.2 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.62 kWh/m² to a high of 7.2 kWh/m² in December across the year — December's 7.2 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.1Intense
47.1Intense
57.1Intense
67.1Intense
77.1Intense
87.1Intense
97.1Intense
107.1Intense
117.1Intense
127.1Intense
137.1Intense
147.2Intense
157.2Intense
167.2Intense
177.2Intense
187.2Intense
197.2Intense
207.2Intense
217.2Intense
227.2Intense
237.2Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in December

Hazard calendar for Tsiombe

In seasonPeak

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

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

Tsiombe's rainy season runs December–February, 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 Tsiombe?

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

3.7
Sightseeing
10th-best month of the year
6.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Tsiombe.

What to pack for Tsiombe in December

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

In December, Tsiombe sees daytime highs around 32°C and nights near 22°C. Pack light clothes and sun protection. Worth having: rain gear. About 14 days see rain.

light clothessun protectionrain gear

Sea temperature near Tsiombe in December

The nearest coast averages about 26°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 38 km away) is warmest in February at about 27°C and coldest in August near 22°C.

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

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar26Warm
Apr25Warm
May24Warm
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep23Refreshing
Oct24Refreshing
Nov24Warm
Dec26Warm

UV index in Tsiombe 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 Tsiombe peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 18UV 14Jun 21UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul5High
Aug7High
Sep8Very high
Oct10Very high
Nov12Extreme
Dec14Extreme
Location & terrain

Where is Tsiombe?

Tsiombe sits at 25.3°S, 45.5°E, 66 m above sea level, in Madagascar. The nearest listed city is Jafaro, 43 km away.

AmboasaryAmpanihyBekilyTôlanaroItampolo

Topography around Tsiombe

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

Within 3 km, the terrain around Tsiombe has only modest variations in elevation — a maximum elevation change of 63 m around an average of 76 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 173 m; within 80 km, large variations in elevation — a maximum elevation change of 801 m.

The land around Tsiombe is covered by shrubs (60%) and trees (27%) within 3 km, shrubs (52%) and trees (32%) within 16 km, and shrubs (38%) and water (31%) within 80 km.

3 km
63 m
16 km
173 m
80 km
801 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Jafaro 43 km · Beloha 46 km · Ambovombe 62 km · Amboasary 95 km · Ampanihy 100 km · Bekily 122 km · Tôlanaro 154 km · Itampolo 169 km

Madagascar travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$599
2025
Happiness
4.2 / 10
World Happiness, 2025
Safe drinking water
22%
of population, 2024
Road deaths
29.2
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 457
Religion
Church of Jesus Christ in Madagascar/Malagasy Lutheran Church/Anglican Church 34%Roman Catholic 32%none 22%other Christian 8%

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 Tsiombe (-25.3°, 45.4833°, elevation 66 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).