Antalaha weather in January

In January, Antalaha sees average daytime highs of 30°C and overnight lows near 23°C, with 294 mm of rain across 28.2 wet days and about 12.8 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 8% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of January to 12 h 42 min by month's end. Set against the rest of the year, January is Antalaha's 12th-clearest and 12th-windiest month. For the whole year in context, see Antalaha's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
294 mm
28.2 wet days
Daylight
12 h 48 min
5:24 AM – 6:12 PM
Cloud cover
79%
12th clearest
Wind
7 km/h
12th windiest
Solar energy
5.67 kWh/m²
Travel score
3.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Antalaha reaches about 30°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How January really feels in Antalaha

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Antalaha weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°29428.212.83.0
Feb30° / 23°27824.912.53.0
Mar29° / 23°25725.712.13.4
Apr29° / 23°12319.811.74.4
May27° / 21°6615.911.35.8
Jun26° / 20°5515.411.16.1
Jul25° / 19°6616.411.26.1
Aug25° / 19°531611.56.2
Sep26° / 19°4413.711.96.3
Oct27° / 20°5612.712.36.2
Nov29° / 22°7014.512.75.1
Dec30° / 23°17322.812.93.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22377
32377
42278
52278
62278
72278
82278
92278
102377
112377
122377
132476
142476
152377
162377
172377
182377
192278
202278
212278
222179
232179
242179
252080
262080
272080
281981
291981
301981
311981

Chance of precipitation in January

Any precipitation

Antalaha gets around 294 mm of rain over 28.2 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 91% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
288
388
489
589
689
790
890
990
1090
1190
1290
1391
1491
1591
1691
1791
1891
1991
2091
2192
2292
2392
2492
2592
2692
2792
2892
2991
3091
3191

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
16859
268410
358510
458411
558411
648412
748412
848412
938512
1038413
1138413
1238413
1338413
1438413
1538314
1638314
1728315
1828315
1928315
2028216
2128216
2228117
2328117
2428018
2528018
2628018
2728018
2827919
2927919
3027919
3127919

Wind in January

Winds average 7 km/h in January, the calmest month.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 54 min at the start of January to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 5:16 AM to 5:32 AM, and sunset from 6:08 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:166:08
212.95:176:08
312.95:176:09
412.95:186:09
512.95:186:09
612.95:196:10
712.85:196:10
812.85:206:10
912.85:206:11
1012.85:216:11
1112.85:226:11
1212.85:226:11
1312.85:236:11
1412.85:236:12
1512.85:246:12
1612.85:246:12
1712.85:256:12
1812.85:256:12
1912.85:266:12
2012.85:276:12
2112.85:276:12
2212.75:286:13
2312.75:286:13
2412.75:296:13
2512.75:296:13
2612.75:306:13
2712.75:306:13
2812.75:316:12
2912.75:316:12
3012.75:326:12
3112.75:326:12

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.67 kWh/m².

For context, solar energy here swings from a low near 3.55 kWh/m² to a high of 6.07 kWh/m² in November across the year — January's 5.67 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in January

Hazard calendar for Antalaha

In seasonPeak

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

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

Antalaha'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 January a good time to visit Antalaha?

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

3.0
Sightseeing
11th-best month of the year
4.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Antalaha.

What to pack for Antalaha in January

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

In January, Antalaha sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Antalaha in January

The nearest coast averages about 29°C in January — 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 29°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
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr28Tropical
May27Warm
Jun26Warm
Jul25Warm
Aug24Warm
Sep25Warm
Oct25Warm
Nov27Warm
Dec28Warm

UV index in Antalaha in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Antalaha peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 highExtremeJan 21UV 15Jun 21UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Antalaha in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Antalaha is worst in December — around 22 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (September, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateDec 1521 µg/m³Sep 186 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb6Good
Mar7Good
Apr7Good
May7Good
Jun8Good
Jul7Good
Aug7Good
Sep6Good
Oct6Good
Nov14Moderate
Dec22Moderate
Location & terrain

Where is Antalaha?

Antalaha sits at 14.9°S, 50.3°E, 13 m above sea level, in Madagascar. The nearest listed city is Ampahana, 18 km away.

MananaraBealananaIharan̈aBefandriana

Topography around Antalaha

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

Within 3 km, the terrain around Antalaha has only modest variations in elevation — a maximum elevation change of 138 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 530 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,083 m.

The land around Antalaha is covered by water (43%) and trees (37%) within 3 km, water (48%) and trees (39%) within 16 km, and trees (55%) and water (35%) within 80 km.

3 km
138 m
16 km
530 m
80 km
2,083 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Ampahana 18 km · Sambava 71 km · Andapa 73 km · Maroantsetra 83 km · Mananara 151 km · Bealanana 169 km · Iharan̈a 175 km · Befandriana 191 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 Antalaha (-14.9003°, 50.2788°, elevation 13 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).