Climate and monthly weather forecastLes Trois-Îlets, Martinique
Climate and monthly weather forecast
The climate of Les Trois-Îlets
Les Trois-Îlets, situated in the Caribbean nation of Martinique, is characterized by a Tropical rainforest climate, also known as Af under the Köppen climate classification. This category signifies a region where all monthly temperatures average above 18°C (64.4°F). That corresponds to the climate data of Les Trois-Îlets, showing minimum average monthly temperatures ranging from 24.8°C (76.6°F) to 27.3°C (81.1°F), and maximum averages from 26.8°C (80.2°F) to 29.4°C (84.9°F), ensuring a warm tropical atmosphere throughout the year.The area experiences continuous substantial rainfall throughout the year, with the monthly average fluctuating slightly from 25mm (0.98") to a peak of 85mm (3.35"). An increase in rainfall can be observed entering the second half of the year, starting from June with 43mm (1.69") and growing steadily each month to top at 85mm (3.35") in November. Days with rainfall are abundant, retaining a uniform pattern that ranges from 17 in the lower limit of February or March, steadily climbing to a peak of about 24 days in August.
In Les Trois-Îlets, humidity levels hover around the middle 70s percentile throughout the year, reflecting the area's proximity to the equator. A stable trend repeats every month in cloud cover percentage, fluctuating within a narrow band between 36% and 46%. These substantial moisture, humidity, and cloud cover engender a lush tropical rainforest climate.
The best time to visit Les Trois-Îlets
The famed appeal of Les Trois-Îlets stems from its tropical climate, which viewers can admire year-round, although certain months might offer a slightly more pleasant experience. Based on the climatological data, February and March shine as potentially favorable months. These months register a lower rate of rainfall, around 25mm (0.98"), and fewer rainy days, around 17. Sunshine hours are also higher during February with an average daily sunshine of 8.6 hours. Visitors would find the weather more accommodating during this period, with daylight hours extending to about 11.7 to 12.1 hours.The worst time to visit Les Trois-Îlets
While Les Trois-Îlets maintains a generally warm and humid climate throughout the year, visitors might find the conditions from June to November slightly less favorable. Rainfall escalates from 43mm (1.69") in June to 85mm (3.35") in November. The rainy days also emerge more frequently during these months, with the peak at 24 days in August. The sunshine hours decline significantly towards November, averaging only 6.6 hours daily.Spring weather in Les Trois-Îlets
In Les Trois-Îlets, spring is from April to June. The weather exhibits a fluctuation in several parameters. Rainfall begins to increase, starting at 43mm (1.69") in April and escalates to 43mm (1.69") in June. Correspondingly, the number of rainy days also sees an upward trend, peaking at 21.5 days in May. On the contrary, the number of sunshine hours during this period is ample, averaging up to 10 hours daily in April.Summer weather in Les Trois-Îlets
Summer in Les Trois-Îlets spans from July to September. This period encounters a rise in rainfall, from 76mm (2.99") in July to a high of 82mm (3.23") in September. Humidity levels remain invariably high at about 76% with the number of rainy days peaking at 24 during August. Even though the rainfall increases, the area still gets substantial sunlight averaging between 9.4 hours to 10.1 hours a day.Autumn weather in Les Trois-Îlets
From October to December, Les Trois-Îlets experiences an autumn that maintains a constant tropical climate. Rainfall peaks at 85mm (3.35") in November, then reduces to 47mm (1.85") in December. The number of days with rain achieves a high of 23.3 in November before calming down to an average of 20.8 days in December. December also notices a decline in daily sunshine hours with an average of 6.4 hours.Winter weather in Les Trois-Îlets
The winter months in Les Trois-Îlets which are from January to March maintain a stable tropical climate. Rainfall levels decrease significantly, recording a low of 25mm (0.98") in both February and March. Correspondingly, the number of rainy days also diminishes fluctuating between 17 and 19.3 days. These months also notice a reasonable increase in daily sunshine hours averaging between 7 hours to 8.4 hours a day.Weather in January
Transitioning from the cooler late months, January in Les Trois-Îlets, Martinique heralds a subtly warmer environment. The new year allows for the admiration of local flora and fauna under the 11.4 hours of daylight, a slight increase from December. Weather in January »Weather in February
Comparison to the weather of January, February shows a marginal dip in the maximum temperature, reaching 26.8°C (80.2°F) from 27°C (80.6°F), as the island gears towards a period of relative climatic stability. While rainfall remains low, the humidity, sunshine hours, and daylight duration extends slightly. Weather in February »Weather in March
Considering the weather conditions of the previous months, March provides a slightly cooler respite with the least minimum temperature of the year reaching 24.8°C (76.6°F). Humidity and daylight hours continue to rise steadily, optimizing the conditions for the local agricultural season. Weather in March »Weather in April
April in Les Trois-Îlets sees an expectable leap in rainfall, rising to 43mm (1.69") from 25mm (0.98") of the preceding month. As summer draws closer, the average high temperature jumps back to 27.7°C (81.9°F), promising beach moments in the Caribbean's azure blue waters. Weather in April »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. Weather in May »Weather in June
June introduces the summer season, commencing with a rise in maximum temperatures and reaching 28.8°C (83.8°F). Rainfall maintains a steady uptrend, signifying the onset of the wetter part of the year which continues for several months. Weather in June »Weather in July
July indicates the heart of the summer season, characterized by equal maximum temperatures of the past month. The rainfall climbs to its highest point for the year, a steep 76mm (2.99"). Those lusting after tropical climates will relish in the elevated humidity and continued daylight hours. Weather in July »Weather in August
August signifies the peak of the weather extremities that characterize this period of the year. Reaching the highest high temperature of 29.2°C (84.6°F), the summer heat is very much evident. The escalation in rainfall sustains, topping at 81mm (3.19"), making it the wettest month in Les Trois-Îlets, Martinique. Weather in August »Weather in September
In terms of maximum temperatures, September is the year's most sweltering month with a value of 29.4°C (84.9°F). An equally high sea temperature encourages water-based activities such as snorkeling, surfing and paddleboarding. Weather in September »Weather in October
October brings a gradual shift towards cooler evenings with a dip in the lowest temperature to 27.3°C (81.1°F). Although the maximum temperature recedes from the peak in September, the weather remains warm and inviting. Visitors are treated to a diverse portfolio of experiences, from warm afternoon beach trips to cozy evening walks. Weather in October »Weather in November
As the year edges to its close, November witnesses a decline in most parameters with a leading decrease in hours of sunshine. Despite the reduced sunshine hours, average temperatures continue to provide an agreeable warmth. Lower wind speeds contribute to an even calmer environment, perfect for indoor activities and exploring local museums with fewer distractions from the climate. Weather in November »Weather in December
December marks the end of the year with a fitting return to cooler temperatures and a decrease in rainfall. Transitioning from 26.7°C (80.1°F) in November to 26.2°C (79.2°F) in December reflects the trend towards a subtler coolness. Weather in December »Updated: Feb 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The months with the lowest humidity in Les Trois-Îlets are January through March, with an average relative humidity of 74%.
Throughout the year, in Les Trois-Îlets, Martinique, there are 251.6 rainfall days, and 667mm (26.26") of precipitation is accumulated.
The months with the highest UV index in Les Trois-Îlets are January through December, with an average maximum UV index of 7.
The months with the lowest UV index in Les Trois-Îlets are January through December, with an average maximum UV index of 7.
Les Trois-Îlets's temperature records reveal February as the coldest month, marked by average highs of 26.8°C (80.2°F) and lows of 25.2°C (77.4°F).
The months with the least rainfall are February and March Rain falls for 17.3 days and accumulates 25mm (0.98") of rain.
February is the month with the coldest seawater in Les Trois-Îlets, Martinique, with an average sea temperature of 26.9°C (80.4°F).
With an average of 13h and 0min of daylight, June has the longest days of the year in Les Trois-Îlets, Martinique.
With an average of 10.2h of sunshine, August has the most sunshine of the year in Les Trois-Îlets, Martinique.
In Les Trois-Îlets, temperatures reach their average annual highs in September, measuring 29.4°C (84.9°F) and a minimum average of 27.3°C (81.1°F).
September is the month with the warmest seawater, with an average sea temperature of 29.4°C (84.9°F).
With an average relative humidity of 77%, November is the most humid month in Les Trois-Îlets, Martinique.
November is the month with the most rainfall in Les Trois-Îlets. Rain falls for 23.3 days and accumulates 85mm (3.35") of precipitation.
December has the shortest days of the year, with an average of 11h and 18min of daylight.
Les Trois-Îlets does not observe Daylight Saving Time (DST). AST timezone is used throughout the entire year.
The month with the least sunshine is December, with an average of 6.4h of sunshine.
Average temperature
Les Trois-Îlets, Martinique
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).
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
Les Trois-Îlets, Martinique
- Average pressure in January:
1015mbar - Average pressure in February:
1015mbar - Average pressure in March:
1014.8mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1014.6mbar - Average pressure in June:
1015.3mbar
- Average pressure in July:
1015mbar - Average pressure in August:
1013.8mbar - Average pressure in September:
1012.7mbar - Average pressure in October:
1011.9mbar - Average pressure in November:
1011.7mbar - Average pressure in December:
1013.7mbar
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
Les Trois-Îlets, Martinique
- Average wind speed in January:
26.2km/h - Average wind speed in February:
26km/h - Average wind speed in March:
23.8km/h - Average wind speed in April:
23.3km/h - Average wind speed in May:
23.4km/h - Average wind speed in June:
25.3km/h
- Average wind speed in July:
25km/h - Average wind speed in August:
22.1km/h - Average wind speed in September:
19km/h - Average wind speed in October:
19.8km/h - Average wind speed in November:
21.6km/h - Average wind speed in December:
24.5km/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
Les Trois-Îlets, Martinique
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
Les Trois-Îlets, Martinique
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
Les Trois-Îlets, Martinique
- Average rainfall days in January:
22 days - Average rainfall days in February:
17.3 days - Average rainfall days in March:
17 days - Average rainfall days in April:
19.3 days - Average rainfall days in May:
21.5 days - Average rainfall days in June:
19.8 days
- Average rainfall days in July:
22.7 days - Average rainfall days in August:
24 days - Average rainfall days in September:
21.1 days - Average rainfall days in October:
22.8 days - Average rainfall days in November:
23.3 days - Average rainfall days in December:
20.8 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
Les Trois-Îlets, Martinique
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 / Average sunshine
Les Trois-Îlets, Martinique
- Average daylight in January:
11h and 24min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 30min - Average daylight in May:
12h and 48min - Average daylight in June:
13h and 0min
- Average daylight in July:
12h and 54min - Average daylight in August:
12h and 36min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 30min - Average daylight in December:
11h and 18min
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 January:
7h and 0min - Average sunshine in February:
8h and 36min - Average sunshine in March:
8h and 24min - Average sunshine in April:
10h and 0min - Average sunshine in May:
9h and 48min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h and 12min - Average sunshine in September:
10h and 6min - Average sunshine in October:
8h and 24min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 24min
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
Les Trois-Îlets, Martinique
- Average sunshine days in January:
3.3 days - Average sunshine days in February:
4.2 days - Average sunshine days in March:
6.3 days - Average sunshine days in April:
3.6 days - Average sunshine days in May:
2.6 days - Average sunshine days in June:
3.5 days
- Average sunshine days in July:
2.3 days - Average sunshine days in August:
2.2 days - Average sunshine days in September:
4.7 days - Average sunshine days in October:
3.5 days - Average sunshine days in November:
1.6 days - Average sunshine days in December:
3.1 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
Les Trois-Îlets, Martinique
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
Les Trois-Îlets, Martinique
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
Les Trois-Îlets, Martinique
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).
