Antsalova weather in December

In December, Antsalova sees average daytime highs of 32°C and overnight lows near 24°C, with 211 mm of rain across 25.4 wet days and about 13.1 hours of daylight. It is the 3rd-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 23% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of December to 13 h 06 min by month's end. Set against the rest of the year, December is Antsalova's 10th-clearest and 10th-windiest month. For the whole year in context, see Antsalova's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
24°
10th coldest
Rainfall
211 mm
25.4 wet days
Daylight
13 h 06 min
5:24 AM – 6:31 PM
Cloud cover
62%
10th clearest
Wind
6 km/h
10th windiest
Solar energy
6.49 kWh/m²
Travel score
2.6
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 Antsalova reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, December runs on par with November and about 1°C warmer than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How December really feels in Antsalova

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.

Antsalova weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°33828.1132.5
Feb31° / 24°29924.812.62.6
Mar32° / 24°18023.412.13.0
Apr32° / 23°511011.64.6
May30° / 20°71.511.16.3
Jun29° / 18°20.410.97.2
Jul29° / 17°10.4117.4
Aug30° / 18°20.611.46.9
Sep31° / 20°51.111.95.7
Oct32° / 22°327.312.44.4
Nov33° / 23°951612.93.2
Dec32° / 24°21125.413.12.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26436
36337
46238
56139
66040
75842
85743
95644
105446
115347
125248
135050
144951
154852
164753
174654
184555
194456
204258
214258
224060
234060
243862
253862
263664
273664
283466
293367
303268
313169

Chance of precipitation in December

Any precipitation

Antsalova gets around 211 mm of rain over 25.4 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 81% and peaks near 89% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
171
272
373
473
574
675
776
877
978
1079
1180
1280
1381
1481
1581
1682
1782
1882
1983
2083
2184
2284
2385
2486
2586
2687
2788
2888
2989
3089
3189

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1167221
2167122
3157123
4157024
5156925
6156826
7146926
8146827
9146728
10036829
11036631
12036532
13036433
14036334
15036235
16036136
17036037
18035839
19035740
20035542
21035443
22035245
23035146
24034948
25034749
26034651
27034552
28034453
29034354
30024355
31024355

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 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
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 13 hours at the start of December to 13 h 06 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 5:20 AM to 5:31 AM, and sunset from 6:23 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:206:23
213.05:206:23
313.15:206:24
413.15:216:24
513.15:216:25
613.15:216:26
713.15:216:26
813.15:226:27
913.15:226:27
1013.15:226:28
1113.15:226:28
1213.15:236:29
1313.15:236:30
1413.15:236:30
1513.15:246:31
1613.15:246:31
1713.15:256:32
1813.15:256:32
1913.15:256:33
2013.15:266:33
2113.15:266:34
2213.15:276:34
2313.15:276:35
2413.15:286:35
2513.15:286:36
2613.15:296:36
2713.15:296:36
2813.15:306:37
2913.15:306:37
3013.15:316:38
3113.15:316:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.49 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 6.93 kWh/m² in November across the year — December's 6.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.4Intense
196.4Intense
206.4Intense
216.3Intense
226.3Intense
236.3Intense
246.2Intense
256.2Intense
266.2Intense
276.1Intense
286.1Intense
296.0Intense
306.0Bright
315.9Bright
Planning a trip in December

Hazard calendar for Antsalova

In seasonPeak

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

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

Antsalova'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 Antsalova?

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

2.6
Sightseeing
10th-best month of the year
4.3
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Antsalova.

What to pack for Antsalova in December

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

In December, Antsalova sees daytime highs around 32°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Antsalova in December

The nearest coast averages about 30°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 52 km away) is warmest in March at about 30°C and coldest in July near 25°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan30Tropical
Feb30Tropical
Mar30Tropical
Apr29Tropical
May28Warm
Jun26Warm
Jul25Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov29Tropical
Dec30Tropical

UV index in Antsalova 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 Antsalova peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 highExtremeFeb 10UV 15Jun 17UV 6
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun6High
Jul7Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov12Extreme
Dec13Extreme

Air quality in Antsalova 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 Antsalova is worst in August — around 17 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (March, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 2017 µg/m³Mar 245 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar5Good
Apr5Good
May10Good
Jun11Good
Jul14Moderate
Aug17Moderate
Sep16Moderate
Oct17Moderate
Nov11Good
Dec6Good
Location & terrain

Where is Antsalova?

Antsalova sits at 18.7°S, 44.6°E, 86 m above sea level, in Madagascar. The nearest listed city is Maintirano, 91 km away.

MaintiranoBelo sur TsiribihinaMiandrivazoTsiroanomandidyMorondavaFenoarivo BeSoavinandrianaMiandrarivo

Topography around Antsalova

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

Within 3 km, the terrain around Antsalova has only modest variations in elevation — a maximum elevation change of 159 m around an average of 118 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 379 m; within 80 km, large variations in elevation — a maximum elevation change of 983 m.

The land around Antsalova is covered by grassland (75%) and trees (24%) within 3 km, grassland (63%) and trees (36%) within 16 km, and grassland (60%) and trees (21%) within 80 km.

3 km
159 m
16 km
379 m
80 km
983 m
treesshrubsgrasslandartificial surfaceswatermangroves
December weather nearby: Maintirano 91 km · Belo sur Tsiribihina 115 km · Miandrivazo 130 km · Tsiroanomandidy 151 km · Morondava 183 km · Fenoarivo Be 207 km · Soavinandriana 229 km · Miandrarivo 240 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 Antsalova (-18.6667°, 44.6167°, elevation 86 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).