May weather forecast
Les Trois-Îlets, Martinique

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Weather in May

May marks a further continuation of the rising trend in temperatures, rainfall, and humidity, all culminating in the summer season ahead. Maximum temperatures extend to 28.3°C (82.9°F), intensifying the tropical characteristics of the island’s weather. Longer daylight hours of 12.8 hours further bolster the sun-soaked days. The enhanced rainfall assists in enriching the vegetation, adorning the island with an appealing spring bloom. Despite a decrease in wind speeds, the climatic equilibrium present combines to create an unforgettable May weather experience.

Temperature

The advent of May denotes an average high-temperature of a still moderately hot 28.3°C (82.9°F), subtly different from April's 27.7°C (81.9°F). May in Les Trois-Îlets sees a slight dip to an average low temperature of 26.6°C (79.9°F) from the daytime highs.

Heat index

For most parts of May, the heat index is appraised at a hot 32°C (89.6°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

In May, the average relative humidity is 76%.

Rainfall

In Les Trois-Îlets, during May, the rain falls for 21.5 days and regularly aggregates up to 46mm (1.81") of precipitation. In Les Trois-Îlets, during the entire year, the rain falls for 251.6 days and collects up to 667mm (26.26") of precipitation.

Sea temperature

In Les Trois-Îlets, Martinique, in May, the average water temperature is 28.2°C (82.8°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 in Les Trois-Îlets, Martinique, is 12h and 49min.
On the first day of the month, sunrise is at 05:41 and sunset at 18:21. On the last day of May, sunrise is at 05:34 and sunset at 18:29 AST.

Sunshine

In May, the average sunshine is 9.8h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, the UV index of 7 transforms into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Alert! UV radiation becomes sharper due to reflections from sand and water.

Frequently asked questions

How hot does it get in Les Trois-Îlets in May?

The average high-temperature, in May, in Les Trois-Îlets, is 28.3°C (82.9°F), while the average low-temperature is 26.6°C (79.9°F). In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 32°C (89.6°F).

What is the average humidity in May in Les Trois-Îlets?

In May, the average relative humidity in Les Trois-Îlets is 76%.

How many days does it rain in May in Les Trois-Îlets?

In Les Trois-Îlets, Martinique, in May, during 21.5 rainfall days, 46mm (1.81") of precipitation is typically accumulated.

What is the water temperature in May in Les Trois-Îlets?

In Les Trois-Îlets, in May, the average water temperature is 28.2°C (82.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in May in Les Trois-Îlets?

In May, the average day length in Les Trois-Îlets is 12h and 49min.

When is the sunrise / sunset in May in Les Trois-Îlets?

On the first day of May, sunrise is at 05:41 and sunset at 18:21. On the last day of the month, sunrise is at 05:34 and sunset at 18:29 AST.

How long on average sun shines in May in Les Trois-Îlets?

In May, the average sunshine duration is 9.8h.

What are the months with the highest UV index in Les Trois-Îlets?

The months with the highest UV index in Les Trois-Îlets are January through December, with an average maximum UV index of 7.

When is the lowest UV index in Les Trois-Îlets?

The months with the lowest UV index in Les Trois-Îlets are January through December, with an average maximum UV index of 7.

How high is the UV index in May in Les Trois-Îlets?

In Les Trois-Îlets, Martinique, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.

Average temperature in May
Les Trois-Îlets, Martinique

Average temperature in May - Les Trois-Îlets, Martinique
  • Average high temperature in May: 28.3°C

The warmest month (with the highest average high temperature) is September (29.4°C).
The month with the lowest average high temperature is February (26.8°C).

  • Average low temperature in May: 26.6°C

The months with the highest average low temperature are August, September and October (27.3°C).
The coldest month (with the lowest average low temperature) is March (24.8°C).

Average pressure in May
Les Trois-Îlets, Martinique

Average pressure in May - Les Trois-Îlets, Martinique
  • Average pressure in May: 1014.6mbar

The month with the highest atmospheric pressure is June (1015.3mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).

Average wind speed in May
Les Trois-Îlets, Martinique

Average wind speed in May - Les Trois-Îlets, Martinique
  • Average wind speed in May: 23.4km/h

The windiest month (with the highest average wind speed) is January (26.2km/h).
The calmest month (with the lowest average wind speed) is September (19km/h).

Average humidity in May
Les Trois-Îlets, Martinique

Average humidity in May - Les Trois-Îlets, Martinique
  • Average humidity in May: 76%

The month with the highest relative humidity is November (77%).
The months with the lowest relative humidity are January, February and March (74%).

Average rainfall in May
Les Trois-Îlets, Martinique

Average rainfall in May - Les Trois-Îlets, Martinique
  • Average rainfall in May: 46mm

The wettest month (with the highest rainfall) is November (85mm).
The driest months (with the least rainfall) are February and March (25mm).

Average rainfall days in May
Les Trois-Îlets, Martinique

Average rainfall days in May - Les Trois-Îlets, Martinique
  • Average rainfall days in May: 21.5 days

The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is March (17 days).

Average sea temperature in May
Les Trois-Îlets, Martinique

Average sea temperature in May - Les Trois-Îlets, Martinique
  • Average sea temperature in May: 28.2°C

The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).

Average daylight in May /
Average sunshine in May
Les Trois-Îlets, Martinique

Average daylight in May / Average sunshine in May - Les Trois-Îlets, Martinique
  • Average daylight in May: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in May
Les Trois-Îlets, Martinique

Average sunshine days in May - Les Trois-Îlets, Martinique
  • Average sunshine days in May: 2.6 days

The month with the most sunshine days is March (6.3 days).
The month with the least sunshine days is November (1.6 days).

Average UV index in May
Les Trois-Îlets, Martinique

Average UV index in May - Les Trois-Îlets, Martinique
  • Average UV index in May: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in May
Les Trois-Îlets, Martinique

Average cloud cover in May - Les Trois-Îlets, Martinique
  • Average cloud cover in May: 44

The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 36).

Average visibility in May
Les Trois-Îlets, Martinique

Average visibility in May - Les Trois-Îlets, Martinique
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Les Trois-Îlets, Martinique

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