Mahajanga in Winter
In winter (June, July and August), Mahajanga sees average daytime highs around 29°C and overnight lows near 22°C, with 3 mm of rain over about 1 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 84% of the time across winter, and the air most often feels humid.
Winter is Mahajanga's best season of the year to visit on our travel score. For the whole year in context, see Mahajanga's year-round climate.
- Avg daytime high
- 29°C
- coldest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 3 mm
- 1 wet days
- Avg wind
- 13 km/h
- Travel score
- 7.1
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Mahajanga in Winter
Across winter, daytime highs hold fairly steady around 29°C.
A typical winter day in Mahajanga reaches about 29°C and drops to 22°C overnight. The warmest of the three months is June, the coolest July.
How winter really feels in Mahajanga
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.
Mahajanga 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° / 25° | 431 | 28.5 | 12.8 | 3.0 |
| Feb | 30° / 25° | 311 | 24 | 12.5 | 3.1 |
| Mar | 31° / 26° | 197 | 21 | 12.1 | 3.5 |
| Apr | 32° / 25° | 43 | 8.3 | 11.7 | 4.7 |
| May | 31° / 24° | 6 | 1.1 | 11.3 | 6.0 |
| Jun | 30° / 22° | 1 | 0.2 | 11.1 | 6.9 |
| Jul | 29° / 21° | 1 | 0.2 | 11.2 | 7.3 |
| Aug | 30° / 21° | 1 | 0.2 | 11.5 | 7.0 |
| Sep | 30° / 23° | 3 | 0.6 | 11.9 | 6.5 |
| Oct | 31° / 24° | 17 | 4.3 | 12.4 | 5.5 |
| Nov | 31° / 25° | 80 | 15.1 | 12.7 | 4.2 |
| Dec | 30° / 25° | 205 | 24 | 12.9 | 3.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 84% of the time across winter.
Chance of precipitation in Winter
Mahajanga gets around 3 mm of rain over 1 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 06 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 5.3 kWh/m².
Hazard calendar for Mahajanga
None of Mahajanga's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Mahajanga sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Mahajanga's monsoon runs December–March, when most of the year's rain falls.
Is winter a good time to visit Mahajanga?
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 one of the better times to visit Mahajanga for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mahajanga in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Mahajanga sees daytime highs around 29°C and nights near 22°C. Pack light clothes. Worth having: sun protection.
Sea temperature near Mahajanga in Winter
The nearest coast averages about 26°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 March at about 30°C and coldest in August near 25°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 | 30 | 30 | 28 | 27 | 26 | 25 | 26 | 27 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 28 | Tropical |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 26 | Warm |
| Oct | 27 | Warm |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Mahajanga in Winter
Clear-sky midday UV across winter averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mahajanga peaks around February 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 7 (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) | 14 | 16 | 14 | 11 | 9 | 7 | 8 | 10 | 12 | 13 | 12 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 16 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Where is Mahajanga?
Mahajanga sits at 15.7°S, 46.3°E, 20 m above sea level, in Madagascar. The nearest listed city is Marovoay, 56 km away.
Topography around Mahajanga
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mahajanga.
Within 3 km, the terrain around Mahajanga has only modest variations in elevation — a maximum elevation change of 45 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 98 m; within 80 km, significant variations in elevation — a maximum elevation change of 310 m.
The land around Mahajanga is covered by water (52%) and artificial surfaces (24%) within 3 km, water (50%) and grassland (33%) within 16 km, and grassland (42%) and water (34%) 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 Mahajanga (-15.7167°, 46.3167°, elevation 20 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.