Antalaha in Winter
In winter (June, July and August), Antalaha sees average daytime highs around 25°C and overnight lows near 19°C, with 175 mm of rain over about 48 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across winter, daytime highs hold fairly steady around 25°C. The sky is clear or mostly clear about 31% of the time across winter, and the air most often feels humid.
Winter is Antalaha's best season of the year to visit on our travel score. For the whole year in context, see Antalaha's year-round climate.
- Avg daytime high
- 25°C
- coldest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 175 mm
- 48 wet days
- Avg wind
- 13 km/h
- Travel score
- 6.1
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Antalaha in Winter
Across winter, daytime highs hold fairly steady around 25°C.
A typical winter day in Antalaha reaches about 25°C and drops to 19°C overnight. The warmest of the three months is June, the coolest August.
How winter really feels in Antalaha
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Antalaha weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 23° | 294 | 28.2 | 12.8 | 3.0 |
| Feb | 30° / 23° | 278 | 24.9 | 12.5 | 3.0 |
| Mar | 29° / 23° | 257 | 25.7 | 12.1 | 3.4 |
| Apr | 29° / 23° | 123 | 19.8 | 11.7 | 4.4 |
| May | 27° / 21° | 66 | 15.9 | 11.3 | 5.8 |
| Jun | 26° / 20° | 55 | 15.4 | 11.1 | 6.1 |
| Jul | 25° / 19° | 66 | 16.4 | 11.2 | 6.1 |
| Aug | 25° / 19° | 53 | 16 | 11.5 | 6.2 |
| Sep | 26° / 19° | 44 | 13.7 | 11.9 | 6.3 |
| Oct | 27° / 20° | 56 | 12.7 | 12.3 | 6.2 |
| Nov | 29° / 22° | 70 | 14.5 | 12.7 | 5.1 |
| Dec | 30° / 23° | 173 | 22.8 | 12.9 | 3.7 |
Cloud cover in Winter
The sky is clear or mostly clear about 31% of the time across winter.
Chance of precipitation in Winter
Antalaha gets around 175 mm of rain over 48 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 13 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 12 min in early June to 11 h 42 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.8 kWh/m².
Hazard calendar for Antalaha
None of Antalaha's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
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.
Is winter a good time to visit Antalaha?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Antalaha for sightseeing.
What to pack for Antalaha in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Antalaha sees daytime highs around 25°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 48 days see rain.
Sea temperature near Antalaha in Winter
The nearest coast averages about 25°C across winter — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 29 | 29 | 29 | 28 | 27 | 26 | 25 | 24 | 25 | 25 | 27 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 28 | Tropical |
| May | 27 | Warm |
| Jun | 26 | Warm |
| Jul | 25 | Warm |
| Aug | 24 | Warm |
| Sep | 25 | Warm |
| Oct | 25 | Warm |
| Nov | 27 | Warm |
| Dec | 28 | Warm |
UV index in Antalaha in Winter
Clear-sky midday UV across winter averages around 9 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 15 | 14 | 11 | 10 | 8 | 8 | 10 | 12 | 13 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 10 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Antalaha in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 6 | 7 | 7 | 7 | 8 | 7 | 7 | 6 | 6 | 14 | 22 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 6 | Good |
| Mar | 7 | Good |
| Apr | 7 | Good |
| May | 7 | Good |
| Jun | 8 | Good |
| Jul | 7 | Good |
| Aug | 7 | Good |
| Sep | 6 | Good |
| Oct | 6 | Good |
| Nov | 14 | Moderate |
| Dec | 22 | Moderate |
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.
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.
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
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.