The climate of Vieux Fort
Vieux Fort,
Saint Lucia boasts of a tropical monsoon climate, more formally classified with the Am code under the Köppen climate classification system. Geographically, the location is nestled in the southernmost tip of the island country, exposed to the Atlantic Ocean's easterly trade winds.
The climatic conditions in Vieux Fort are relatively consistent throughout the year, with minor fluctuations observed in terms of temperature, rainfall, and humidity. On average, the city has monthly high temperatures ranging from 27.1°C (80.8°F) to 29.5°C (85.1°F) and low temperatures from 25.3°C (77.5°F) to 27.6°C (81.7°F). Such consistency signifies an absence of extreme hot or cold weather, which is characteristic of a tropical climate.
Regarding the hydrological aspects of its climate, the region experiences moderate rainfall throughout the year, which intensifies during the summer months from
June to
October. The rainfall varies from 18mm (0.71") in
February to its peak of 73mm (2.87") in October. This higher precipitation coincides with an increase in average relative humidity, from 74% at the start of the year, peaking at 77% in
July.
In terms of sunlight availability, the city has a reasonably consistent amount of daylight throughout the year, ranging from 11.3 hours in
December to a peak of 12.9 hours in June. The sunlight hours follow suit, varying from a low of 6.6 hours in December to a high of 10.4 hours in
August. The consistency in these elements contributes to the city's warm climate.
Wind patterns in Vieux Fort also display a diverse pattern, with wind speed hovering from 18.3km/h (11.4mph) in
September to a higher rate of 26.9km/h (16.7mph) in February.
The best time to visit Vieux Fort
Whilst
Vieux Fort offers a welcoming climate throughout the year, the optimal time for a visit relies on personal preferences. For those desiring warm weather with less rainfall and humidity, the period from
January to
April is ideal. During these months, rainfall is lower, with values from 18mm (0.71") to 29mm (1.14"), and lower humidity ranging between 74% to 75%.
The worst time to visit Vieux Fort
If high precipitation and humidity is a potential deterrent, planning a visit to
Vieux Fort from
July to
October might be less comfortable. These months experience the highest rainfall, peaking at 73mm (2.87") and the highest relative humidity, reaching 77% in July.
Spring weather in Vieux Fort
In
Vieux Fort, spring, spanning from
March to
May, witnesses a slight increase in temperature, with average highs ranging from 27.1°C (80.8°F) to 28.4°C (83.1°F) and lows from 25.4°C (77.7°F) to 26.7°C (80.1°F). Rainfall begins to rise from March onward, reaching 33mm (1.3") in May. Relative humidity remains casual in the lower to mid-seventies percentile.
Summer weather in Vieux Fort
Summer in
Vieux Fort extends from
June to
August. The weather becomes significantly wetter, with rainfall amounts ranging from 46mm (1.81") to 72mm (2.83"). Temperatures are also at their peak during these months, with the maximum average temperature touching 28.9°C (84°F) in August. Wind speed also experiences a noticeable increase during these months.
Autumn weather in Vieux Fort
Autumn months include
September to
November. These months continue to experience high rainfall with values between 64mm (2.52") and 73mm (2.87"). There's a slight drop in temperatures with maximum average temperatures oscillating from 29.5°C (85.1°F) to 28.7°C (83.7°F). Wind speed becomes milder, decreasing from 24.1km/h (15mph) in
August to 19.8km/h (12.3mph) in
October.
Winter weather in Vieux Fort
The winter period in
Vieux Fort, which is
December to
February, is characterized by decreased rainfall, with values fluctuating from 37mm (1.46") to 24mm (0.94"). The temperature follows a downward trend too, with average high temperatures ranging from 27.1°C (80.8°F) in
January to 27.9°C (82.2°F) in February. Wind speed experiences a noticeable surge during these months, reaching its peak of 26.9km/h (16.7mph) in February. Despite this, the relative mildness of Vieux Fort's tropical climate continues to make it a hospitable destination for visitors.
Weather in January
Even though the new year begins, the tropical climate in
Vieux Fort,
Saint Lucia remains. With a high of 27.1°C (80.8°F) and a low of 25.6°C (78.1°F),
January transitions virtually indiscernibly weather-wise. Light showers can be expected while the breeze carries the scent of the ocean inland.
Weather in January »Weather in February
In
February,
Vieux Fort residents experience a minor temperature drop, with the highest and lowest temperatures easing off by 0.3°C (32.5°F). This month is slightly drier than
January, making the days ideal for beach outings.
Weather in February »Weather in March
While the rest of the world starts experiencing Spring in
March,
Vieux Fort maintains its standard tropical climate. The difference between the high and low temperatures has increased by 0.1°C (32.2°F) since
February. The increased hours of daylight contribute to more time for sun-bathing while beach-goers are welcomed by slightly warmed sea waters.
Weather in March »
Weather in April
April welcomes an increase in both temperature and rainfall rates in
Vieux Fort. The highest temperature now rises to 27.7°C (81.9°F), while the lowest reads 25.9°C (78.6°F). Sunshine hours increase, promoting glorious sunrises and extended evenings.
Weather in April » Weather in May
While
May is the doorway to summer for most, it ushers in a warmer and wetter phase for
Vieux Fort. With the highest temperature seeing an uptick to 28.4°C (83.1°F) and an appreciable rise in the rainfall measuring 33mm (1.3"), May experiences noticeable changes.
Weather in May »Weather in June
June offers the highest temperature so far for the year, reaching 28.6°C (83.5°F) at its peak in
Vieux Fort,
Saint Lucia. This month sees a jump in rainfall, indicating the onset of the Caribbean Hurricane season. Despite the increased rains, there are plenty of sunshine hours left for those looking to soak up the sun.
Weather in June »
Weather in July
July is similar to
June in terms of high temperatures, but these remain consistent even at night. This month records the highest rainfall for the year, with 72mm (2.83") contributing to the lush landscape of
Saint Lucia. Despite the increased rainfall, the ample sunshine keeps the tropical vibe alive in
Vieux Fort.
Weather in July » Weather in August
August shows another peak of both temperatures and rainfall in
Vieux Fort. Peak temperatures are recorded at 28.9°C (84°F) while the sea temperatures rise to the year’s maximum of 29°C (84.2°F). Despite the frequent showers, tourists and locals still have ample sunshine each day for leisure activities.
Weather in August » Weather in September
September is the hottest month in
Vieux Fort, with temperatures climbing to 29.5°C (85.1°F). Likewise, historically,
Saint Lucia residents face significant showers of about 64mm (2.52"). Simultaneously, the sea temperatures start to decrease but remain warm for swimming and other water activities.
Weather in September »
Weather in October
In
October, temperatures start to cool off, dropping slightly to an average high of 28.7°C (83.7°F). Due to a noticeable increase in rain, this month could be considered the start of the rainy season for
Vieux Fort,
Saint Lucia.
Weather in October »Weather in November
By
November, the weather in
Vieux Fort begins its transition into the drier season. The temperatures continue their downward trend, making for cooler days, while the rainfall also decreases to 54mm (2.13"). However, the amount of daylight dips, indicating shorter days are on the horizon.
Weather in November »Weather in December
Finally,
December brings with it cooler temperatures, falling to the lowest of the year at 26.2°C (79.2°F). In contrast to
November, the rain lessens further, making for drier days in
Vieux Fort. While daylight hours minimize, balmy afternoons and cooler evenings make for comfortable weather conditions.
Weather in December »