Climate and monthly weather forecast
Bequia, Saint Vincent and the Grenadines

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The climate of Bequia

Bequia, a small island in the country of Saint Vincent and the Grenadines, falls under the Af classification of the Köppen climate system. It is marked by a tropical rainforest climate. Geographically, it is located in the Caribbean, subject to a year-round warm and humid environment.

Throughout the year, Bequia's weather remains stable, with slight fluctuations in a few parameters. The island's high temperatures range from 26.3°C (79.3°F) to 28.7°C (83.7°F), while lows fluctuate between 25.3°C (77.5°F) and 27.9°C (82.2°F). Such figures speak to the constant warmth maintained throughout the year.

Relative humidity in Bequia stays between 75% to 78%, marking a consistently moist atmosphere. This scenario contributes to a significant amount of rainfall that tends to vary throughout the year, although most prominently from June to November. During this period, rainfall recorded ranges from 23mm (0.91") to 40mm (1.57"), while the drier months (February and March) experience rainfall measurements from 12mm (0.47") to 16mm (0.63"). Meanwhile, daylight varies from 11.4 hours to 12.9 hours across the year, with consistent visibility at 10km (6.2mi), indicating a generally clear atmosphere.

Unique weather patterns are also notable in Bequia. Months of maximum rainfall coincide with the highest recorded temperatures, particularly from August to November. Consistent with this pattern, the months with the least rainfall (February and March) experience slightly cooler temperatures. Bequia’s wind movements, on the other hand, exhibit apparent fluctuations from 19.7km/h (12.2mph) to 28.4km/h (17.6mph), with gusts reaching up to 40.4km/h (25.1mph), especially during February.

The best time to visit Bequia

With consideration to Bequia’s climate characteristics, a lot of visitors find the period from February to April favorable for a visit. During these months, they enjoy slightly cooler temperatures, ranging between 26.3°C (79.3°F) to 27.1°C (80.8°F). The rainfall is also at its minimum, with precipitation volumes between 12mm (0.47") and 17mm (0.67"), spread over an average of 8.7 to 12.4 days. Sunshine hours are relatively high with 8.7 hours to 10.1 hours, and the UV index is constant at 7, denoting moderate exposure levels.

The worst time to visit Bequia

Although Bequia maintains a warm and humid environment year-round, some visitors might find the period from August through November less appealing. Within these months, the island experiences its highest levels of rainfall, fluctuating from 33mm (1.3") to 40mm (1.57"). Concomitant with this high precipitation is the high humidity level that peaks at 78%. Such weather conditions, coupled with high temperatures ranging from 28.4°C (83.1°F) to 28.7°C (83.7°F), may be deemed unfavorable by some.

Spring weather in Bequia

In Bequia, the spring season, running from March to May, greets locals and visitors with warm temperatures and moderate rainfall. Daily high temperatures range from 26.5°C (79.7°F) to 27.8°C (82°F) while lows vary between 25.4°C (77.7°F) and 26.9°C (80.4°F). Rainfall levels move from 14mm (0.55") to 18mm (0.71"), distributed over 10.6 to 14.4 days with relative humidity levels oscillating between 76% and 78%.

Summer weather in Bequia

Summer in Bequia, extending from June through August, brings consistently high temperatures. During this season, the highs range from 28.1°C (82.6°F) to 28.4°C (83.1°F), and the lows move slightly between 27°C (80.6°F) to 27.5°C (81.5°F). Rainfall during these three months escalates, particularly in August when it reaches a peak of 33mm (1.3"). High humidity levels between 78% and 77% accompany this spike in precipitation.

Autumn weather in Bequia

Autumn, which takes place from September to November in Bequia, sees the yearly maximum rainfall level. Precipitation reaches up to 40mm (1.57") in November, spreading across 14.9 to 15.5 days. The temperatures, both high and low, decrease slightly with highs staying between 28.7°C (83.7°F) and 27.9°C (82.2°F), and lows ranging from 27.9°C (82.2°F) to 27.2°C (81°F).

Winter weather in Bequia

Winter, observed from December through February, is the driest period in Bequia. Rainfall plunges to as low as 12mm (0.47") in February. The season sees lower temperatures as well, with highs varying from 26.4°C (79.5°F) to 27.4°C (81.3°F), while low temps range from 25.3°C (77.5°F) to 26.4°C (79.5°F). The wind speed also drops to 28km/h (17.4mph) in December but picks up slightly to 28.4km/h (17.6mph) in February.

Weather in January

January in Bequia, Saint Vincent and the Grenadines, sees a stable weather pattern with fairly constant temperatures. More often than not, the skies are partly cloudy, hinting at the rainfall that this month witnesses. A notable climatological parameter for January is wind, with average wind speeds of 28km/h (17.4mph), gusting to a maximum of 39.9km/h (24.8mph). Weather in January »

Weather in February

The transition from January to February brings marginal changes to Bequia's climate. February continues the trend of moderate temperatures, fair amount of cloud cover, and a slight increase in average wind speeds to 28.4km/h (17.6mph). Weather in February »

Weather in March

Moving into March, the weather in Bequia starts to see some subtle changes. The reduction in wind speed becomes observable as the month progresses. There isn’t a significant shift in climatic conditions from February to March, but the amount of rainfall does start to increase hinting the start of pre-rainy season. Weather in March »

Weather in April

In April, Bequia witnesses an interesting contrast as the longer days from March continue, but with an upsurge in rainfall. While the average temperate remains nearly stable, a noticeable increase in rainfall to 17mm (0.67") per month ensues. Weather in April »

Weather in May

As Bequia transitions into May, the first signs of the rainy season become more obvious. Gradual increment in average temperatures combined with frequent rain showers become a common scenario. The climb in rainfall from 17mm (0.67") in April to 18mm (0.71") in May marks this transition. Weather in May »

Weather in June

June brings a subtle yet notable shift in the weather of Bequia. The average temperatures continue to rise slightly while (relative) humidity also experiences a similar trend. June sees the highest rainfall throughout the year with 23mm (0.91"), indicating the peak of the rainy season. Weather in June »

Weather in July

The weather transitions smoothly into July with a slight drop in rainfall from the previous month. However, it still continues to be one of the rainiest periods of the year with 30mm (1.18") recorded rainfalls. The weather during this time usually includes breeze from average wind speed of 26km/h (16.2mph), complementing the slightly elevated temperatures and rainfall. Weather in July »

Weather in August

August demonstrates the diversity of Bequia's climate once again with its unique blend of weather conditions. Transition from July to August sees rainfall peaking at 33mm (1.3"). The dominant weather pattern switches between rainy days and windy days, with wind speeds averaging at 22.5km/h (14mph). Weather in August »

Weather in September

September marks the transition towards the end of the rainy season in Bequia. This change in weather is marked by a small drop in rainfall to 26mm (1.02"), from the peak seen in August. The wind speeds also lower to 19.7km/h (12.2mph), as the weather starts shifting towards the end-year pattern. Weather in September »

Weather in October

October heralds a conducive transition towards clearer skies after the wet months. The rainfall does see a noticeable hike up to 37mm (1.46"). However, the humidity remains constant while the wind speed metric starts to rise again. Weather in October »

Weather in November

November brings about cooler temperature after the rainy season, marking the start of the tourist season. Rainfall reaches its utmost with 40mm (1.57"), making it the month with the highest rainfall of the year. As the rainfall starts to drop towards the end of the month, the daylight hours continue to dwindle. Weather in November »

Weather in December

December in Bequia marks the end of the tourist and rainy season. The weather begins to stabilize, becoming increasingly predictable. A considerable drop in rainfall to 23mm (0.91") signifies the arrival of the drier months ahead. Weather in December »
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Frequently asked questions

How many days does it rain in Bequia?

Throughout the year, there are 164.4 rainfall days, and 289mm (11.38") of precipitation is accumulated.

What are the months with the highest UV index in Bequia?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Bequia, Saint Vincent and the Grenadines.

What is the month with the lowest UV index in Bequia?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Bequia, Saint Vincent and the Grenadines.

What is the coldest month in Bequia?

With average high temperatures of 26.3°C (79.3°F) and lows of 25.5°C (77.9°F), February is the coldest month.

What is the least humid month in Bequia?

With an average relative humidity of 75%, February is the least humid month.

What is the driest month in Bequia?

February is the month with the least rainfall in Bequia, Saint Vincent and the Grenadines. Rain falls for 8.7 days and accumulates 12mm (0.47") of precipitation.

What are the most humid months in Bequia?

The months with the highest humidity are May through July, with an average relative humidity of 78%.

When are the longest days in Bequia?

June has the longest days of the year, with an average of 12h and 54min of daylight.

What month has the most sunshine in Bequia?

With an average of 10.5h of sunshine, August has the most sunshine of the year in Bequia.

What is the warmest month in Bequia?

September, known for its average high temperature of 28.7°C (83.7°F) and an average low temperature of 27.9°C (82.2°F), is the warmest month.

What is the wettest month in Bequia?

The month with the most rainfall is November, when the rain falls for 15.5 days and typically aggregates up to 40mm (1.57") of precipitation.

What is the month with the shortest days in Bequia?

The month with the shortest days in Bequia, Saint Vincent and the Grenadines, is December, with an average of 11h and 24min of daylight.

Is there Daylight Saving Time (DST) in Bequia?

Bequia, Saint Vincent and the Grenadines, does not observe Daylight Saving Time (DST). AST timezone is used throughout the entire year.

What is the month with the least sunshine in Bequia?

With an average of 6.6h of sunshine, December has the least sunshine of the year in Bequia.

Average temperature
Bequia, Saint Vincent and the Grenadines

Average temperature - Bequia, Saint Vincent and the Grenadines

The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is February (26.3°C).

The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is January (25.3°C).

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Average pressure
Bequia, Saint Vincent and the Grenadines

Average pressure - Bequia, Saint Vincent and the Grenadines

The month with the highest atmospheric pressure is June (1014.6mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).

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Average wind speed
Bequia, Saint Vincent and the Grenadines

Average wind speed - Bequia, Saint Vincent and the Grenadines

The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (19.7km/h).

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Average humidity
Bequia, Saint Vincent and the Grenadines

Average humidity - Bequia, Saint Vincent and the Grenadines

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).

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Average rainfall
Bequia, Saint Vincent and the Grenadines

Average rainfall - Bequia, Saint Vincent and the Grenadines

The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is February (12mm).

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Average rainfall days
Bequia, Saint Vincent and the Grenadines

Average rainfall days - Bequia, Saint Vincent and the Grenadines

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (8.7 days).

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Average daylight / Average sunshine
Bequia, Saint Vincent and the Grenadines

Average daylight / Average sunshine - Bequia, Saint Vincent and the Grenadines

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 24min).

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days
Bequia, Saint Vincent and the Grenadines

Average sunshine days - Bequia, Saint Vincent and the Grenadines

The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is July (10.1 days).

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Average UV index
Bequia, Saint Vincent and the Grenadines

Average UV index - Bequia, Saint Vincent and the Grenadines

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).

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Average cloud cover
Bequia, Saint Vincent and the Grenadines

Average cloud cover - Bequia, Saint Vincent and the Grenadines

The month with the most cloud cover is June (Cloud cover 44).
The months with the least cloud cover are February and September (Cloud cover 35).

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Average visibility
Bequia, Saint Vincent and the Grenadines

Average visibility - Bequia, Saint Vincent and the Grenadines

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).

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Bequia, Saint Vincent and the Grenadines

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