Climate and monthly weather forecast
Fianarantsoa, Madagascar


The climate of Fianarantsoa

Situated in Madagascar, Fianarantsoa basks in a Marine West Coast climate—warm summer, excellent for vineyards in the city. Based on the Köppen climate classification, the predominant climate is classified as Cfb.

Weather throughout the year remains mild, with temperatures from 9.3°C (48.7°F) to 25.5°C (77.9°F). Significant temperature variations occur, with the warmest months being October to January where temperature ranges from 20.3°C (68.5°F) to 25.5°C (77.9°F) and the coldest months are observed from June to September when temperatures dip between 9.3°C (48.7°F) and 20.4°C (68.7°F). Relative humidity stays high throughout the year, with averages from 74% to 89%, giving the city its moist and refreshing atmosphere.

Rainfall varies distinctly throughout the year, recording an average peak rainfall of 259mm (10.2") in January, while the driest periods are seen from June through to September, with less than 9mm (0.35") on average. Wind speed stays relatively consistent throughout the year, fluctuating mildly from 7.8km/h (4.8mph) to 10.1km/h (6.3mph).

The best time to visit Fianarantsoa

Visiting Fianarantsoa provides an immersive experience in the Malagasy culture and natural beauty, but weather-wise, the optimal period to visit is from June to August. During these months, the city experiences the least rainfall, marked by an average of just 9mm (0.35") to 13mm (0.51"). The temperatures are also mild, with comfortable highs from 17.8°C (64°F) to 20.4°C (68.7°F). Also, the period sees an average of around 19 to 21 sunshine days per month, and a reasonably good visibility of 7km (4.3mi), which means the city's stunning landscape and architecture can be fully appreciated.

The worst time to visit Fianarantsoa

On the other end of the spectrum, the least favorable time to visit Fianarantsoa would be from November to January. These months record the highest rainfall, with an average of 144mm (5.67") in November to 259mm (10.2") in January. The city sees more rainfall days during this period, which could potentially dampen travel plans. Temperatures are high during these months, going up to 25.5°C (77.9°F), which might feel quite uncomfortable when coupled with the increased humidity.

Spring weather in Fianarantsoa

Spring, taking place between September to November, is marked by a temperature increase, with averages from 20.4°C (68.7°F) to 25.3°C (77.5°F). Rain begins to gradually pick up from 7mm (0.28") to 144mm (5.67") over these months, signaling the end of the dry season. Sunshine hours also increase, peaking at 10.1 hours in November.

Summer weather in Fianarantsoa

Summer spans from December to February, with the city experiencing its warmest and wettest conditions. Rainfall is high, especially in December and January with 201mm (7.91") and 259mm (10.2") of rainfall. Temperatures hover between 25.4°C (77.7°F) and 25.5°C (77.9°F), the highest throughout the year. Despite the predominant rain and clouds, the city experiences robust sunshine hours, with an average of 9.9 to 10.1 hours.

Autumn weather in Fianarantsoa

Autumn in Fianarantsoa takes place from March to May. The temperature begins to drop from 23.7°C (74.7°F) to 20.4°C (68.7°F). The rainfall also starts to decline significantly, from 170mm (6.69") in March to just 27mm (1.06") in May. It's a period of transition, with decreasing humidity and a clear sky with just 55% cloud cover in May.

Winter weather in Fianarantsoa

Winter is from June to August, where Fianarantsoa experiences its coolest temperatures, ranging from 9.3°C (48.7°F) to 20.4°C (68.7°F). Rainfall is at its annual lowest at this time, ranging from 5mm (0.2") to 13mm (0.51"). The significant decrease in rainfall corresponds with increased sunshine days and the city often enjoys clear skies with lower cloud coverage, making it a pleasantly mild season.

Weather in January

January in Fianarantsoa, Madagascar sees consistent temperatures with the month’s high averages at 24°C (75.2°F) and low averages around 16.9°C (62.4°F). Rainfall is most prominent during this time, providing a damp start to the year. Weather in January »

Weather in February

As February rolls in, Fianarantsoa experiences a slight dip in rainfall compared to January. The month ushers in a transition phase in the weather, where temperatures and rainfall start to gradually decline. The UV index remains constant in the moderate range, indicating a mix of cloudy and sunny days. Weather in February »

Weather in March

March brings a further reduction in temperature, dropping from 24.1°C (75.4°F) to 23.7°C (74.7°F), while night temperatures slightly decrease to 15.9°C (60.6°F). The city experiences frequent cloud coverage, which provides a respite from the intense daytime heat. Weather in March »

Weather in April

April witnesses substantial changes in weather, with the most significant being a considerable drop in rainfall to 45mm (1.77"), from 170mm (6.69") in March. With fewer rainy days, the temperature decreases, leading to mild and mostly dry days. Weather in April »

Weather in May

Moving into May, Fianarantsoa fully transitions into the dry weather phase. The city experiences a visible reduction in cloud percentage, offering more clear skies and extended hours of sunlight. Cool breezes softly envelop the city, while the average high temperature dips to 20.4°C (68.7°F). Weather in May »

Weather in June

June stands out as the coolest month of the year, with the average low temperature dropping to 10.2°C (50.4°F). With less humidity and more enjoyable heat, June marks the start of the peak season for tourist activity in Fianarantsoa. Weather in June »

Weather in July

July continues the prevailing dry and chilly trend, further dropping the low temperature average to 9.3°C (48.7°F). Sunshine continues to capture the skies, casting bright, clear days over Fianarantsoa. With the minimized rainfall and lowered cloud%, stargazers can witness a clear night sky. Weather in July »

Weather in August

August experiences a modest rise in temperatures, reaching 20.3°C (68.5°F) on average, but maintains cool nights. The month demonstrates a significant increase in the visibility index, making it a peak time for sightseeing. With the days being longer and sunnier, lies the opportunity for an array of outdoor activities. Weather in August »

Weather in September

In September, Fianarantsoa starts to gradually transition back to the wet season. The winds advance, reaching an average speed of 10.1km/h (6.3mph), stirring up the city's tranquility. A marginal increase in cloud coverage hints at the impending monsoon. Weather in September »

Weather in October

October ushers in warmer days in Fianarantsoa, Madagascar as the average high temperature increases to 25.3°C (77.5°F). This month is characterized by a dramatic increase in rainfall, signaling the onset of the wet season. While the cloudy cover stands at an annual low, October draws in more hours of sunshine per day. Weather in October »

Weather in November

Rainfall continues to intensify in November with an average precipitation of 144mm (5.67"). Now well within the rainy season, the climate turns increasingly humid. With the onset of longer showers, the temperatures remain high, making November a relatively warm month. Weather in November »

Weather in December

December lands on the peak of the wet season, experiencing the highest rainfall of the year at 201mm (7.91"). Being the last month of the year, this month offers a balance of warm days and cool nights with averages of 25.4°C (77.7°F) and 16.8°C (62.2°F), respectively. Weather in December »

Frequently asked questions

What is the wettest month in Fianarantsoa?

The month with the most rainfall is January, when the rain falls for 28.7 days and typically aggregates up to 259mm (10.2") of precipitation.

How much does it rain in Fianarantsoa?

Throughout the year, in Fianarantsoa, there are 220.5 rainfall days, and 1093mm (43.03") of precipitation is accumulated.

What is the most humid month in Fianarantsoa?

March is the most humid month, with an average relative humidity of 89%.

What is the month with the least sunshine in Fianarantsoa?

With an average of 5.8h of sunshine, April has the least sunshine of the year in Fianarantsoa.

What are the months with the lowest UV index in Fianarantsoa?

April through July, with an average maximum UV index of 4, are months with the lowest UV index in Fianarantsoa.

What is the month with the shortest days in Fianarantsoa?

With an average of 10h and 48min of daylight, June has the shortest days of the year.

What time of the year is the coldest in Fianarantsoa?

Fianarantsoa experiences its lowest temperatures in July, with an average peak of 17.8°C (64°F) and a low of 9.3°C (48.7°F).

What is the driest month in Fianarantsoa?

August is the month with the least rainfall in Fianarantsoa, Madagascar. Rain falls for 7.1 days and accumulates 5mm (0.2") of precipitation.

What is the least humid month in Fianarantsoa?

October is the least humid month, with an average relative humidity of 73%.

What is the hottest time of year in Fianarantsoa?

With its average high temperature of 25.5°C (77.9°F) and a low of 15.9°C (60.6°F), November is regarded as the warmest month in Fianarantsoa.

What month has the most sunshine in Fianarantsoa?

November has the most sunshine of the year in Fianarantsoa, with an average of 10.1h of sunshine.

When are the longest days in Fianarantsoa?

The month with the longest days is December, with an average of 13h and 24min of daylight.

Is there Daylight Saving Time (DST) in Fianarantsoa?

Fianarantsoa does not observe Daylight Saving Time (DST). EAT timezone is used over the entire year.

What is the month with the highest UV index in Fianarantsoa?

December is the month with the highest UV index, with an average maximum UV index of 6.

Average temperature
Fianarantsoa, Madagascar

Average temperature - Fianarantsoa, Madagascar

The warmest month (with the highest average high temperature) is November (25.5°C).
The month with the lowest average high temperature is July (17.8°C).

The month with the highest average low temperature is January (16.9°C).
The coldest month (with the lowest average low temperature) is July (9.3°C).


Average pressure
Fianarantsoa, Madagascar

Average pressure - Fianarantsoa, Madagascar

The month with the highest atmospheric pressure is July (1022.3mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).


Average wind speed
Fianarantsoa, Madagascar

Average wind speed - Fianarantsoa, Madagascar

The windiest month (with the highest average wind speed) is September (10.1km/h).
The calmest month (with the lowest average wind speed) is December (7.8km/h).


Average humidity
Fianarantsoa, Madagascar

Average humidity - Fianarantsoa, Madagascar

The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is October (73%).


Average rainfall
Fianarantsoa, Madagascar

Average rainfall - Fianarantsoa, Madagascar

The wettest month (with the highest rainfall) is January (259mm).
The driest month (with the least rainfall) is August (5mm).


Average rainfall days
Fianarantsoa, Madagascar

Average rainfall days - Fianarantsoa, Madagascar

The month with the highest number of rainy days is January (28.7 days).
The month with the least rainy days is September (6.4 days).


Average daylight / Average sunshine
Fianarantsoa, Madagascar

Average daylight / Average sunshine - Fianarantsoa, Madagascar

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).

The month with the most sunshine is November (Average sunshine: 10h and 6min).
The month with the least sunshine is April (Average sunshine: 5h and 48min).


Average sunshine days
Fianarantsoa, Madagascar

Average sunshine days - Fianarantsoa, Madagascar

The month with the most sunshine days is September (21.7 days).
The month with the least sunshine days is January (0.8 days).


Average UV index
Fianarantsoa, Madagascar

Average UV index - Fianarantsoa, Madagascar

The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 4).


Average visibility
Fianarantsoa, Madagascar

Average visibility - Fianarantsoa, Madagascar

The month with the highest visibility is October (9km).
The months with the lowest visibility are January, March, April and May (6km).


Fianarantsoa, Madagascar

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