Average temperatures, rainfall, sunshine and the best time to visit Isalo National Park.
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Isalo National Park, located in the Ihorombe Region of Madagascar, enjoys a steady warm climate year-round. The area receives moderate rainfall, with a distinct dry season that makes hiking and exploration more accessible. Known for its dramatic sandstone formations, canyons, and natural pools, the park attracts nature lovers and trekkers seeking adventure in a unique landscape. Now, let’s break down all the climate details for a clearer picture.
Pick a month to see the average temperature, rainfall and sunshine in Isalo National Park - and find the best time to visit.
The climate in Isalo National Park remains fairly constant, offering comfortable temperatures throughout the year. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in January to a comfortable 22°C (72°F) in the coolest month, June.
Nights vary from 19°C (66°F) in January to around 11°C (52°F) during the colder months.
Check out our detailed temperature page for more information.
Generally, Isalo National Park experiences moderate precipitation patterns, averaging 647 mm (25 in) yearly. The climate in Isalo National Park shows significant variation throughout the year. Expect heavy snowfall in January, the wettest month, with an average of 195 mm (7.7 in) of precipitation over 10 snowy days.
In contrast, the driest month July offers drier and sunnier days, with around 2 mm (0.1 in) of snowfall over 7 snowy days. For more details, please visit our Isalo National Park Precipitation page.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
March, April, May, June, July, August, September, October and November typically offer the most optimal weather in Isalo National Park. In contrast, January tends to have less optimal conditions. Isalo National Park has a distinct dry season from April to October.
Daytime highs range from 22°C (72°F) in June to 27°C (81°F) in January. Nighttime lows range from 11°C (52°F) to 19°C (66°F). Temperatures stay relatively stable year-round.
Annual rainfall is around 647 mm (25 in). January is the wettest month with 195 mm (7.7 in), while July is the driest with 2 mm (0.1 in). In the coldest months, precipitation may fall as snow.
Isalo National Park is highlighted - select any city to see its climate.
Where to go in October - average daytime high across popular destinations.
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