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Trade winds over Union Island and the Grenadines

Wind & Weather

Wind and Weather in the Grenadines

The Grenadines have their own micro climate, small islands that most weather apps read inaccurately. Air sits around 30°C and water around 28°C all year, with trade winds building from mid-November and becoming consistent from December onward.

The Grenadines have a small-island microclimate most weather apps read badly, with warm air, warm water and trade winds building from mid November.

Air 30°C all year

Water 28°C, no wetsuit

Trade winds Mid Nov to Jul

Mostly sunny

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The Weather

Before you pack

Check the wind close to your trip

If you want to know which kite or wing to pack, check Windguru or Windy just before you travel. The forecast will help you decide whether to leave the small kite or the big kite at home, but remember that warm trade winds usually feel a little softer than colder winds, so you may sometimes choose one size bigger than you would in colder air.

Packing guide

15-25 kt

Usual wind range

Most windy days sit around 15 to 25 knots, with about 20 knots as a useful average. Some days are stronger and some days are lighter, so a last check before departure helps you decide what to pack.

Local microclimate

Small island

Weather app rain warnings

Phone weather apps often show rain for the area, but that does not always mean it will rain on a small island like Union Island. During the dry season, the island can go months with little or no rain.

Easy option

All sizes

Skip the extra baggage

If you do not want to pay extra airline fees or worry about sizes, rent gear with us. Rental gives you access to multiple kite sizes and boards during your stay.

Our amazing wind statistics

Best season mid-November to July

Mid-November usually starts slowly, then the trade winds become more consistent from December onward. These statistics show the percentage of days with wind over 15 knots, month by month.

Nov

65%

Dec

95%

Jan

98%

Feb

95%

Mar

90%

Apr

80%

May

80%

Jun

95%

Jul

70%

Aug

40%

Sep

20%

Oct

20%

Peak (90%+)

Great riding

Quieter season

Season by season

What to expect through the year

Warm weather year round

High season builds from mid-November to the end of July, sunny, very little rain and great trade winds to cool the hot days. August to October can still be lovely, with brief morning showers clearing by afternoon.

Excellent wind & temperature

The trade winds often start slowly around mid-November, then become more consistent from December to the end of July. With air at 30°C and water at 28°C, you never need a wetsuit.

Quieter season, Aug to Oct

Union Island is in the southern Caribbean. The kite center closes from August to the beginning of November for the low wind season, but rooms are still available to rent. Weather can still be beautiful in this period, but wind is less reliable, so confirm plans close to your dates.

Planning your dates

For travel planning, read our best months for kitesurfing guide, then contact us for current on the ground conditions before you book lessons, rental gear or accommodation.

Plan your trip around the wind

Tell us your dates and we’ll tell you what to expect, and help you book lessons, gear and accommodation for the best riding.