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Monthly climate in Fianarantsoa, Madagascar

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Fianarantsoa features a oceanic climate (Cfb). Temperatures typically range between 14 °C (58 °F) and 21 °C (70 °F) through the year, but rarely can drop to 4 °C (40 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 987 mm (38.8 inches) and receives 138 rainy days on the 1 mm (0.04 inches) threshold annually. Fianarantsoa enjoys an average of 3916 hours of sunshine throughout the year, and daylight varies from 10 hours 49 minutes to 13 hours 24 minutes per day.

Monthly average temperatures in Fianarantsoa, Madagascar

The warmest months in Fianarantsoa are January, February and December, with daily mean temperatures ranging from 21 to 21 °C (70 - 70 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 14 to 15 °C (58 - 60 °F) throughout the day. On average each year, Fianarantsoa experiences 128 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 Fianarantsoa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(86°F)		30°C
(86°F)		28°C
(83°F)		28°C
(83°F)		26°C
(80°F)		26°C
(78°F)		24°C
(76°F)		26°C
(80°F)		29°C
(84°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)
Mean maximum29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		27°C
(80°F)		25°C
(78°F)		23°C
(74°F)		23°C
(74°F)		26°C
(78°F)		27°C
(81°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)
Average high26°C
(79°F)		26°C
(79°F)		25°C
(78°F)		24°C
(75°F)		22°C
(72°F)		20°C
(68°F)		19°C
(66°F)		21°C
(70°F)		23°C
(73°F)		25°C
(77°F)		26°C
(80°F)		26°C
(80°F)
Daily mean21°C
(70°F)		21°C
(70°F)		21°C
(69°F)		19°C
(67°F)		17°C
(63°F)		15°C
(59°F)		14°C
(58°F)		15°C
(60°F)		17°C
(63°F)		19°C
(66°F)		21°C
(69°F)		21°C
(70°F)
Average low18°C
(64°F)		18°C
(64°F)		17°C
(64°F)		16°C
(61°F)		13°C
(56°F)		12°C
(53°F)		10°C
(51°F)		11°C
(52°F)		12°C
(54°F)		14°C
(58°F)		16°C
(61°F)		17°C
(63°F)
Mean minimum15°C
(59°F)		15°C
(60°F)		15°C
(60°F)		12°C
(55°F)		11°C
(51°F)		9°C
(48°F)		7°C
(44°F)		8°C
(46°F)		9°C
(49°F)		11°C
(51°F)		13°C
(55°F)		14°C
(58°F)
Minimum14°C
(57°F)		14°C
(58°F)		15°C
(59°F)		10°C
(51°F)		10°C
(49°F)		8°C
(47°F)		4°C
(40°F)		6°C
(43°F)		8°C
(46°F)		8°C
(47°F)		12°C
(54°F)		12°C
(54°F)

Compare climate in Fianarantsoa with other places

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

Monthly average precipitation in Fianarantsoa, Madagascar

Fianarantsoa usually has the most precipitation in January, February and December, with an average of 19 rainy days and 182 mm (7.2 inches) of precipitation per month. The driest months in Fianarantsoa are May, August and September. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fianarantsoa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)198 (7.8)173 (6.8)146 (5.8)58 (2.3)21 (0.8)42 (1.6)26 (1.0)9 (0.4)14 (0.6)46 (1.8)79 (3.1)175 (6.9)
Average precipitation days (≥ 1 mm)182120146862481219

Monthly sunshine hours in Fianarantsoa, Madagascar

The sunniest months in Fianarantsoa are October, November and December, when the sun shines an average of 11 hours 49 minutes a day. Least sunny months in Fianarantsoa: January, February and June receive an average of 9 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fianarantsoa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours286299338316319293312329332359356372
Mean daily daylight hours13h 15m12h 47m12h 10m11h 34m11h 4m10h 49m10h 57m11h 23m11h 58m12h 35m13h 7m13h 24m

Solar UV radiation in Fianarantsoa, Madagascar

Fianarantsoa experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 16 - 17, 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 9. For more detailed information, check out our hourly Fianarantsoa UV Index data.

Average daily maximum UV levels by month for Fianarantsoa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)171715129781012131416