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Monthly climate in Tolanaro, Madagascar

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tolanaro features a tropical rainforest climate (Af). Temperatures typically range between 20 °C (68 °F) and 25 °C (78 °F) through the year, but rarely can drop to 14 °C (57 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 1129 mm (44.4 inches) and receives 157 rainy days on the 1 mm (0.04 inches) threshold annually. Tolanaro enjoys an average of 3994 hours of sunshine throughout the year, and daylight varies from 10 hours 35 minutes to 13 hours 39 minutes per day.

Monthly average temperatures in Tolanaro, Madagascar

The warmest months in Tolanaro are January, February and March, with daily mean temperatures ranging from 25 to 25 °C (77 - 78 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 20 to 21 °C (68 - 69 °F) throughout the day. On average each year, Tolanaro experiences 184 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tolanaro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(90°F)		32°C
(90°F)		30°C
(87°F)		29°C
(85°F)		27°C
(82°F)		26°C
(79°F)		26°C
(78°F)		27°C
(80°F)		29°C
(85°F)		30°C
(87°F)		30°C
(87°F)		31°C
(87°F)
Mean maximum30°C
(87°F)		31°C
(87°F)		29°C
(84°F)		28°C
(83°F)		27°C
(80°F)		25°C
(77°F)		25°C
(77°F)		26°C
(79°F)		27°C
(82°F)		28°C
(83°F)		29°C
(85°F)		30°C
(86°F)
Average high28°C
(82°F)		28°C
(83°F)		27°C
(81°F)		26°C
(79°F)		24°C
(76°F)		23°C
(73°F)		22°C
(72°F)		23°C
(74°F)		24°C
(76°F)		25°C
(77°F)		26°C
(79°F)		27°C
(81°F)
Daily mean25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		24°C
(75°F)		22°C
(72°F)		21°C
(69°F)		20°C
(68°F)		20°C
(69°F)		21°C
(71°F)		22°C
(72°F)		23°C
(74°F)		25°C
(77°F)
Average low23°C
(74°F)		24°C
(75°F)		23°C
(74°F)		22°C
(72°F)		20°C
(68°F)		19°C
(66°F)		18°C
(64°F)		18°C
(65°F)		19°C
(67°F)		20°C
(68°F)		21°C
(70°F)		23°C
(73°F)
Mean minimum22°C
(72°F)		22°C
(71°F)		21°C
(70°F)		20°C
(68°F)		18°C
(64°F)		17°C
(63°F)		15°C
(59°F)		16°C
(61°F)		17°C
(62°F)		17°C
(63°F)		18°C
(65°F)		20°C
(69°F)
Minimum21°C
(70°F)		21°C
(69°F)		19°C
(67°F)		19°C
(67°F)		16°C
(62°F)		16°C
(62°F)		14°C
(57°F)		15°C
(60°F)		16°C
(61°F)		16°C
(61°F)		17°C
(63°F)		19°C
(67°F)

Compare climate in Tolanaro with other places

Compare temperature, precipitation, sunshine, UV index in Tolanaro, Madagascar with other places around the world.

Monthly average precipitation in Tolanaro, Madagascar

Tolanaro usually has the most precipitation in January, March and December, with an average of 16 rainy days and 147 mm (5.8 inches) of precipitation per month. The driest months in Tolanaro are May, August and September. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tolanaro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)118 (4.6)114 (4.5)173 (6.8)101 (4.0)50 (2.0)84 (3.3)64 (2.5)33 (1.3)49 (1.9)86 (3.4)107 (4.2)150 (5.9)
Average precipitation days (≥ 1 mm)1515211512141189131212

Monthly sunshine hours in Tolanaro, Madagascar

The sunniest months in Tolanaro are October, November and December, when the sun shines an average of 12 hours 0 minutes a day. Least sunny months in Tolanaro: January, June and July receive an average of 9 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tolanaro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours308328345320317293314328331360357387
Mean daily daylight hours13h 28m12h 55m12h 11m11h 28m10h 52m10h 35m10h 44m11h 15m11h 56m12h 40m13h 19m13h 39m

Solar UV radiation in Tolanaro, Madagascar

Tolanaro experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Tolanaro UV Index data.

Average daily maximum UV levels by month for Tolanaro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15151410866810121314