May weather forecast
Toamasina, Madagascar

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Weather in May

May steps in with the first real taste of the cooler season. The weather starts to dry up with a significant reduction in rainfall. The hours of sunshine slightly decrease compared to April, indicating shorter days ahead. A dip in sea temperature starts to make itself felt, so it might not be the optimal time for beach outings. The highest air temperature shrinks further to 27.3°C (81.1°F).

Temperature

Toamasina's average high-temperature marks a still moderately hot 27.3°C (81.1°F) with the advent of May, closely mirroring that of the preceding month. During the nights in May, Toamasina experiences a consistent average temperature of 19.5°C (67.1°F).

Heat index

In May, the average heat index is evaluated at a hot 31°C (87.8°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

The months with the highest humidity in Toamasina are March, May, June and August, with an average relative humidity of 85%.

Rainfall

In Toamasina, Madagascar, in May, during 17 rainfall days, 228mm (8.98") of precipitation is typically accumulated. Throughout the year, there are 211 rainfall days, and 3368mm (132.6") of precipitation is accumulated.

Sea temperature

In Toamasina, Madagascar, the average seawater temperature in May is 27.4°C (81.3°F).
Note: Ideal surface water temperatures for any water activity fall between 25°C (77°F) and 29°C (84.2°F), offering maximum enjoyment for lengthened periods.

Daylight

The average length of the day in May is 11h and 16min.
On the first day of May, sunrise is at 05:56 and sunset at 17:22. On the last day of the month, sunrise is at 06:06 and sunset at 17:13 EAT.

Sunshine

In Toamasina, the average sunshine in May is 6.2h.
Updated: Feb 3, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are May temperatures in Toamasina?

In May, the average high-temperature and low-temperature are 27.3°C (81.1°F) and 19.5°C (67.1°F) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in May is evaluated at 31°C (87.8°F).

What is the most humid month in Toamasina?

March, May, June and August, with an average relative humidity of 85%, are most humid months in Toamasina, Madagascar.

What is the average humidity in May in Toamasina?

The average relative humidity in May in Toamasina is 85%.

How much does it rain in Toamasina in May?

In Toamasina, Madagascar, in May, during 17 rainfall days, 228mm (8.98") of precipitation is typically accumulated.

What is the water temperature in May in Toamasina?

In Toamasina, Madagascar, the average seawater temperature in May is 27.4°C (81.3°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in May in Toamasina?

In Toamasina, the average day length in May is 11h and 16min.

When is the sunrise / sunset in May in Toamasina?

In May, on the first day of the month, sunrise is at 05:56 and sunset at 17:22. On the last day of the month, in Toamasina, sunrise is at 06:06 and sunset at 17:13 EAT.

How many hours of sunshine does Toamasina have in May?

In Toamasina, Madagascar, the average sunshine duration in May is 6.2h.

Average temperature in May
Toamasina, Madagascar

Average temperature in May - Toamasina, Madagascar
  • Average high temperature in May: 27.3°C

The warmest month (with the highest average high temperature) is February (30.3°C).
The month with the lowest average high temperature is July (24.8°C).

  • Average low temperature in May: 19.5°C

The month with the highest average low temperature is February (22.7°C).
The coldest month (with the lowest average low temperature) is August (17°C).

Average humidity in May
Toamasina, Madagascar

Average humidity in May - Toamasina, Madagascar
  • Average humidity in May: 85%

The months with the highest relative humidity are March, May, June and August (85%).
The month with the lowest relative humidity is October (82%).

Average rainfall in May
Toamasina, Madagascar

Average rainfall in May - Toamasina, Madagascar
  • Average rainfall in May: 228.3mm

The wettest month (with the highest rainfall) is March (478.4mm).
The driest month (with the least rainfall) is September (121.1mm).

Average rainfall days in May
Toamasina, Madagascar

Average rainfall days in May - Toamasina, Madagascar
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is July (22 days).
The month with the least rainy days is October (13 days).

Average sea temperature in May
Toamasina, Madagascar

Average sea temperature in May - Toamasina, Madagascar
  • Average sea temperature in May: 27.4°C

The best month for swimming (with the highest average sea temperature) is February (29°C).
The coldest month (with the lowest average sea temperature) is September (24.5°C).

Average daylight in May /
Average sunshine in May
Toamasina, Madagascar

Average daylight in May / Average sunshine in May - Toamasina, Madagascar
  • Average daylight in May: 11h and 2min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).

  • Average sunshine in May: 6h and 1min

The month with the most sunshine is November (Average sunshine: 7h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 18min).

Toamasina, Madagascar

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