Climate and monthly weather forecast
Dauphin, Saint Lucia

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The climate of Dauphin

Dauphin, Saint Lucia, situates in a region that experiences a predominant climate classified as an Af or Tropical Rainforest according to the Köppen climate classification. This classification implies a constant presence of rainfall throughout the year and high average temperatures.

Throughout the year, Dauphin sees high temperatures fluctuating in a narrow range from 27.5°C (81.5°F) in the early part of the year to a peak of 30.3°C (86.5°F) in the ninth month. Correspondingly, the low temperatures consistently remain above 25°C (77°F), registering a minimum of 25°C (77°F) in the third month and extending up to 27.2°C (81°F) towards the end of the year. Notably, the humidity stays marginally around the 70% to 75% level, indicating a moist environment typical of such tropical areas.

Rainfall in Dauphin features a well-spread pattern, with an upward trend towards the mid-year. The yearly rainfall cycle begins with 26mm (1.02") of precipitation in the first month, elevating to a high of 82mm (3.23") in the eighth month, and thereafter declines to end the year around 35mm (1.38") in the twelfth month. The humidity trend is quite complementary to the rainfall pattern, showing a slight increase during the peak rainy season.

The best time to visit Dauphin

Taking into account the climatic trend, it seems the early months of the year, namely the second and third months, exhibit the most suitable conditions for a visit. During this period, the temperatures hover between 25.1°C (77.2°F) and 27.7°C (81.9°F), providing a pleasant atmosphere, paired with a slightly lower rainfall of 19mm (0.75") and 21mm (0.83"), respectively. Furthermore, the sunlight duration is fairly high, with an average of 8.5 and 8.3 hours per day during these months, facilitating sightseeing and outdoor activities.

The worst time to visit Dauphin

Contrarily, the eighth month appears to be less desirable for a visit, as the precipitation reaches its peak at 82mm (3.23"), coupled with a high humidity level of 75%. Despite the high temperatures, which reach up to 29.8°C (85.6°F), the excess rainfall during this period might hinder outdoor activities.

Spring weather in Dauphin

In Dauphin, spring comes with progressively warming temperatures. The period from the third to the fifth month shows high temperatures ranging from 27.7°C (81.9°F) to 28.8°C (83.8°F), while low temperatures move upwards from 25°C (77°F) to 26.5°C (79.7°F). As the bright daylight extends from 12.1 hours to 12.8 hours, rainfall increases from 21mm (0.83") to a significant 36mm (1.42"), indicating the commencement of the peak rainy season.

Summer weather in Dauphin

The summertime in Dauphin, from the sixth to the eighth month, is characterized by both high temperatures and intense rainfalls. The high temperatures edge upwards from 29.3°C (84.7°F) to 29.8°C (85.6°F), while low temperatures remain steady around 26.8°C (80.2°F) and 26.9°C (80.4°F). The rainfall shows significant elevation from 43mm (1.69") to the yearly high of 82mm (3.23"), making this period the wettest of the year. Despite the heavy downfall, there is ample daylight of around 12.9 hours to 12.6 hours.

Autumn weather in Dauphin

Autumn demonstrates a decreasing pattern in both temperatures and rainfall. The ninth to the eleventh month sees high temperatures around 30.3°C (86.5°F) to 29.2°C (84.6°F), and a gradual decline in low temperatures from 27°C (80.6°F) to 26.6°C (79.9°F). Simultaneously, the rainfall recedes from its peak to 63mm (2.48") in the ninth month to 64mm (2.52") in the eleventh month. The average daylight reduces to about 12.2 hours and further to 11.5 hours during these months.

Winter weather in Dauphin

In wintertime, Dauphin experiences mild temperature fluctuations, with high temperatures around 29.2°C (84.6°F) to 28.2°C (82.8°F) and low temperatures receding from 26.6°C (79.9°F) to 25.7°C (78.3°F). The rainfall registers a significant decrease to 35mm (1.38") in the twelfth month, marking the end of the rainy season. The daylight further reduces during this period, ending at 11.3 hours in the final month of the year. The winter, thus, brings a little relief from the high humidity and rainfall prevalent in the earlier parts of the year.

Weather in January

January offers a good start to the year in Dauphin, Saint Lucia with moderate temperatures and a relatively high humidity. The weather stays stable, with a gentle tropical breeze that maintains serviceable visibility. It is a pleasant time to visit the city, despite the slight cloud cover and rainfall that one can expect. Weather in January »

Weather in February

February marks a subtle shift in the weather patterns in Dauphin, maintaining the relative warmth and humidity of the preceding month. The rainfall slightly decreases compared to January, and the climate remains somewhat stable. Weather in February »

Weather in March

March introduces a bit more warmth to Dauphin's yearly weather cycle. It experiences little variation in the atmospheric pressure, resulting in almost consistent weather conditions throughout the month. March continues to offer moderate visibility for travel, with a slightly increased cloud cover. Weather in March »

Weather in April

As April arrives, Dauphin recognises a noticeable increase in heat and humidity marking the transition to the warmer months. Despite a minor increase in rain and cloud cover, the conditions are generally favourable for tourists. April brings in more daylight hours, but people must take into account a significant increase in the amount of rainfall. Weather in April »

Weather in May

May is the start of the hot, wet season in Dauphin, marking a marked increase in both humidity and rainfall from to the preceding months. Increased daytime and fewer sunshine days set the stage for a month filled with cloudy skies. Weather in May »

Weather in June

June persists with the climatic trend initiated in May, marking a further increase in heat and humidity. The residents of Dauphin brave the hot tropical weather, interspersed with regular rainfall. Despite the occasional rain, June offers the maximum hours of daylight in a day, at 12.9 hours. Weather in June »

Weather in July

July carries forward the warm weather with consistent high temperatures, elevated humidity levels and increased rainfall. The city experiences scarcely any respite from the heat, with the sun shining throughout the month, save for the occasional showers. Weather in July »

Weather in August

August is the month of extremes in Dauphin, Saint Lucia, with high temperatures and many notable climatic variations. A combination of constant high temperatures, maximum rainfall, and constant light breeze makes it a unique month. Weather in August »

Weather in September

September signals a break in the row of extremely hot months in Dauphin. It witnesses a decrease in both the average temperatures and rainfall, marking the outset of a cooler stage. The gentle wind brings respite and shakes off the stale hot air, making September the month with the least wind speed, at an average of 16.7km/h (10.4mph). Weather in September »

Weather in October

The month of October brings a further drop in temperature, rainfall and humidity in Dauphin, leading to the onset of a cooler and drier climate. October retains the pleasant weather, with a steady number of sunshine days and comfortable daylight hours. Weather in October »

Weather in November

In November, Dauphin continues the spell of cooler and drier climate, although with a slight increase in rainfall. Subtle changes in weather patterns result in variations in the city's climate, making it more comfortable for outdoor activities. Weather in November »

Weather in December

December ushers in a festive mood in Dauphin, with weather conditions remaining generally favourable. The slightly cooler temperatures, coupled with moderate rainfall, create an ambience suited for outdoor holiday activities. Despite the drop in daylight hours, the town retains a good number of sunshine days, bringing warmth to the cooler days. Weather in December »

Frequently asked questions

What month is the coldest in Dauphin?

The coldest months in Dauphin are January and February, with an average high-temperature of 27.5°C (81.5°F).

What are the least humid months in Dauphin?

The months with the lowest humidity in Dauphin are January through March and September, with an average relative humidity of 73%.

How much does it rain in Dauphin?

Throughout the year, there are 255.2 rainfall days, and 560mm (22.05") of precipitation is accumulated.

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

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index in Dauphin, Saint Lucia.

What is the driest month in Dauphin?

The month with the least rainfall in Dauphin is February, when the rain falls for 16.4 days and typically collects 19mm (0.75") of precipitation.

What month has the most sunshine in Dauphin?

The month with the most sunshine in Dauphin, Saint Lucia, is April, with an average of 9.8h of sunshine.

What are the most humid months in Dauphin?

The months with the highest humidity are May through August and November, with an average relative humidity of 75%.

When are the longest days in Dauphin?

The month with the longest days is June, with an average of 12h and 54min of daylight.

When is the lowest UV index in Dauphin?

With an average maximum UV index of 6, June is the month with the lowest UV index in Dauphin, Saint Lucia.

What is the rainiest month in Dauphin?

August is the month with the most rainfall in Dauphin, Saint Lucia. Rain falls for 25.9 days and accumulates 82mm (3.23") of precipitation.

What part of the year is the hottest in Dauphin?

Dauphin's warmest month, September, registers temperatures that range from a high of 30.3°C (86.5°F) to a low of 27°C (80.6°F).

What is the month with the shortest days in Dauphin?

December has the shortest days of the year, with an average of 11h and 18min of daylight.

Is there Daylight Saving Time (DST) in Dauphin?

Dauphin, Saint Lucia, does not observe Daylight Saving Time (DST). AST timezone is used over the entire year.

What is the month with the least sunshine in Dauphin?

December has the least sunshine of the year, with an average of 6.4h of sunshine.

Average temperature
Dauphin, Saint Lucia

Average temperature - Dauphin, Saint Lucia

The warmest month (with the highest average high temperature) is September (30.3°C).
The months with the lowest average high temperature are January and February (27.5°C).

The month with the highest average low temperature is October (27.2°C).
The coldest month (with the lowest average low temperature) is March (25°C).

Average pressure
Dauphin, Saint Lucia

Average pressure - Dauphin, Saint Lucia

The month with the highest atmospheric pressure is June (1015mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

Average wind speed
Dauphin, Saint Lucia

Average wind speed - Dauphin, Saint Lucia

The windiest month (with the highest average wind speed) is February (24.7km/h).
The calmest month (with the lowest average wind speed) is September (16.7km/h).

Average humidity
Dauphin, Saint Lucia

Average humidity - Dauphin, Saint Lucia

The months with the highest relative humidity are May, June, July, August and November (75%).
The months with the lowest relative humidity are January, February, March and September (73%).

Average rainfall
Dauphin, Saint Lucia

Average rainfall - Dauphin, Saint Lucia

The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is February (19mm).

Average rainfall days
Dauphin, Saint Lucia

Average rainfall days - Dauphin, Saint Lucia

The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is February (16.4 days).

Average daylight / Average sunshine
Dauphin, Saint Lucia

Average daylight / Average sunshine - Dauphin, Saint Lucia

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

The month with the most sunshine is April (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days
Dauphin, Saint Lucia

Average sunshine days - Dauphin, Saint Lucia

The month with the most sunshine days is January (7.8 days).
The month with the least sunshine days is July (0.8 days).

Average UV index
Dauphin, Saint Lucia

Average UV index - Dauphin, Saint Lucia

The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).

Average visibility
Dauphin, Saint Lucia

Average visibility - Dauphin, Saint Lucia

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).

Dauphin, Saint Lucia

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