Mahajanga Weather in August

Season: Dry Season

Overview:
1. You may feel a little hot this month, but only at midday;
2. The weather is stable with only 1 rainy day on average;
3. The tickets and hotels may cost you more than those in many other months due to a large number of tourists.

Rainfall/ Humidity

The weather of Mahajanga in August is quite stable: there is only 5 mm of rainfall from about 1 day on average. Therefore, you do not need to worry about your trip plan being disturbed by rain or bad road conditions at all. The air is a little dry with an average humidity of 60%, and you are recommended to pay attention to keeping hydrated, especially in moments with direct sunshine.

Clear and Blue Sea in Sunny August

Temperature/ Sea Temperature

With the average temperature of 19 - 32 degrees Celsius (66 - 90 degrees Fahrenheit), Mahajanga in August has a little hot noon and warm or cool other times. Specifically, the lowest temperature is about 17 - 21℃ (63 - 70℉) and the highest is about 30 - 35℃ (86 - 95℉). Normally, the second half month is a bit hotter than the first half, when the daily highs usually stay above 32℃ (90℉). This means that, if you don’t like heat, you’d better avoid going out in the midday, especially if you travel to Mahajanga in the second half of August.

The sea temperature is 25℃ (77℉) on average, which is warm enough for doing water-based activities. If you prefer warmer water, the sea temperature can reach about 27℃ (81℉) in the afternoon.

Daylight Hours/ Sunshine Hours

In Mahazanga, sunrise in August is around 06:10 and sunset is around 17:44. The length of daylight averages 11.5 hours and shows a gradual increasing trend from the beginning to the end of the month. The average sunshine hours reach about 10 per day, which are relatively long and favorable for outdoor activities. The UV index is 8 - 10 this month, meaning that the sunlight is relatively intense and you may get sunburned if you are exposed to the sun for a long time without protection.

Pros and Cons of Visiting Mahajanga in August

Pros:
1. August has slightly cooler temperature compared with many other months, especially the first half of the month.
2. You seldom experience rain this month, and you can go outdoors for visit nearly every day during your stay.
3. The UV index is a bit high but lower than many other months.
4. With warm sea water and clear weather, you can try all sea sports, including snorkeling.

Sunny August with Good Road Conditions

Cons:
In August, a large number of tourists from northern hemisphere countries surge into Mahajanga to spend their summer holiday. As a result, Mahajanga enters the peak season, and you may feel crowded in some attractions and need to spend more than usual on tickets and accommodations.

In short, August is a good month to visit Mahajanga with relatively nice climate. However, it is worth mentioning that the number of tourists reaches its peak and you need to make reservations in advance.

Packing List for Mahajanga Trip in August

Clothes: August is a little hot during the daytime, so you are advised to wear thin and breathable clothes like tank tops, T-shirts, short shirts, shorts, skirts, and dresses to keep cool. If you plan to have a night tour, you are recommended to put on thin jacket or shirt and change the shorts or skirt into thin long pants. Moreover, you are advised to bring swimsuits for possible water activities.

Shoes: Slippers or sandals are suitable and convenient when you go to the beach or stroll around the city. When it comes to hiking, breathable and lightweight hiking shoes or walking shoes may be more protective and comfortable.

Others:
1. Be sure to bring sunscreen, sunglasses, and sunhats, which are quite necessary in August with many sunny days and relatively strong UV rays.
2. Face masks are recommended to bring to protect you from not only dust on the dirt roads but also the sunlight.
3. In August with a little hot weather and low humidity, you may need to bring a portable water bottle and drink water frequently, especially during a hiking trip.
4. Mosquito repellent is better to use when going to places with dense plants.

Top Destinations to Visit in Mahajanga in August 2025

Recommendation Rate:

1. Anjohibe Caves

With such sunny climate of Mahajanga in August, which allows you to travel away from the city center without worrying about rain or bad road conditions, you should not miss the Anjohibe Caves. Known as “one of the most magnificent caves in Madagascar”, the Caves attracts many spelunkers every year. Rich in magnificent stalactites and stalagmites, it will provide you with a fascinating adventure tour and a great chance to explore mysterious underground world. With natural waterfalls and pools, it is also a good place to swim and cool down.

People Relaxing in Anjohibe Caves

2. Ankarafantsika National Park

With good road conditions, Ankarafantsika National Park is a great place to go in August, where you can observe Madagascar’s unique wildlife, especially the various lemurs, birds, chameleons, and crocodiles. To see more cute wildlife, you can stay here for two days and have a night tour. In addition, the Park has several hiking trails where visitors can explore the rich ecosystem and enjoy the tranquility of nature.

People Hiking in Ankarafantsika National Park

Birds in the Park

3. Grand Pavois Beach

To cool off in the afternoon, you are recommended to visit Grand Pavois Beach, swim in the sea or try various water sports. When the temperature gradually drops, you can lie on the beach to enjoy the perfect sunshine and wait for the beautiful sunset. Also, seafood resources are abundant here, so you may see fishermen coming back with their catches on the beach.