Antsohihy weather in December

In December, Antsohihy sees average daytime highs of 33°C and overnight lows near 24°C, with 236 mm of rain across 23.3 wet days and about 12.9 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 32°C by the end. The sky is clear or mostly clear about 21% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of December to 12 h 54 min by month's end. Set against the rest of the year, December is Antsohihy's 9th-clearest and 11th-windiest month. For the whole year in context, see Antsohihy's year-round climate.

Daytime high
33°
6th warmest
Overnight low
24°
12th coldest
Rainfall
236 mm
23.3 wet days
Daylight
12 h 54 min
5:18 AM – 6:11 PM
Cloud cover
66%
9th clearest
Wind
6 km/h
11th windiest
Solar energy
6.16 kWh/m²
Travel score
2.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 32°C by the end.

A typical December day in Antsohihy reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13424
23424
33424
43424
53424
63424
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233224
243224
253224
263224
273224
283224
293224
303224
313224

How December really feels in Antsohihy

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.

Antsohihy weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°4542812.82.4
Feb31° / 24°37425.312.52.5
Mar32° / 23°23121.212.12.8
Apr33° / 23°509.311.73.5
May33° / 22°132.211.34.5
Jun32° / 20°30.611.15.5
Jul31° / 20°10.511.25.8
Aug32° / 20°30.511.55.2
Sep34° / 21°40.911.94.2
Oct35° / 22°225.512.33.0
Nov35° / 24°9913.312.72.5
Dec33° / 24°23623.312.92.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35644
45545
55545
65347
75248
85149
94951
104852
114654
124555
134357
144258
154060
163961
173862
183862
193565
203565
213466
223466
233169
243070
252971
262872
272674
282575
292377
302278
312080

Chance of precipitation in December

Any precipitation

Antsohihy gets around 236 mm of rain over 23.3 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 76% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
163
264
365
466
568
669
770
871
972
1073
1174
1275
1376
1477
1578
1678
1778
1879
1979
2079
2179
2279
2380
2480
2581
2681
2782
2882
2983
3084
3184

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 75% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11624663
21523683
31523674
41422694
51421695
60421696
70420697
80419707
90319708
100318709
110317719
1203167110
1303147310
1402137510
1502127511
1602117611
1702117611
1802107711
190297811
200197812
210187912
220187912
230187912
240178012
250177913
260078013
270068014
280067915
290067915
300067816
310057916

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 48 min at the start of December to 12 h 54 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 5:13 AM to 5:25 AM, and sunset from 6:02 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:136:02
212.85:136:03
312.85:146:03
412.85:146:04
512.85:146:05
612.85:146:05
712.85:156:06
812.95:156:06
912.95:156:07
1012.95:166:07
1112.95:166:08
1212.95:166:08
1312.95:176:09
1412.95:176:09
1512.95:186:10
1612.95:186:11
1712.95:186:11
1812.95:196:12
1912.95:196:12
2012.95:206:13
2112.95:206:13
2212.95:216:13
2312.95:216:14
2412.95:226:14
2512.95:226:15
2612.95:236:15
2712.95:236:16
2812.95:246:16
2912.95:246:17
3012.95:256:17
3112.95:256:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.16 kWh/m².

For context, solar energy here swings from a low near 4.78 kWh/m² to a high of 7.05 kWh/m² in October across the year — December's 6.16 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.4Intense
96.4Intense
106.4Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.0Intense
206.0Bright
216.0Bright
225.9Bright
235.9Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in December

Hazard calendar for Antsohihy

In seasonPeak

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

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

Antsohihy's monsoon runs December–March, when most of the year's rain falls.

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

Is December a good time to visit Antsohihy?

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

2.5
Sightseeing
9th-best month of the year
4.3
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Antsohihy.

What to pack for Antsohihy in December

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

In December, Antsohihy sees daytime highs around 33°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Antsohihy in December

The nearest coast averages about 29°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 48 km away) 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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Tropical
Dec29Tropical

UV index in Antsohihy 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 Antsohihy peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 12UV 15Jun 20UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Antsohihy in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Antsohihy is worst in November — around 24 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (July, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1522 µg/m³Jul 125 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr6Good
May6Good
Jun5Good
Jul5Good
Aug7Good
Sep10Good
Oct15Moderate
Nov24Moderate
Dec14Moderate
Location & terrain

Where is Antsohihy?

Antsohihy sits at 14.9°S, 48.0°E, 18 m above sea level, in Madagascar. The nearest listed city is Befandriana, 73 km away.

BealananaMampikonyAmbanjaHell-VilleAmbarakaraka

Topography around Antsohihy

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

Within 3 km, the terrain around Antsohihy has only modest variations in elevation — a maximum elevation change of 56 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 139 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,740 m.

The land around Antsohihy is covered by grassland (49%) and trees (22%) within 3 km, grassland (66%) within 16 km, and grassland (56%) and trees (21%) within 80 km.

3 km
56 m
16 km
139 m
80 km
1,740 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Befandriana 73 km · Maromandia 74 km · Boriziny 82 km · Bealanana 90 km · Mampikony 140 km · Ambanja 144 km · Hell-Ville 168 km · Ambarakaraka 180 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 Antsohihy (-14.8796°, 47.9875°, elevation 18 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).