Whether you're visiting Union Island in Saint Vincent & Grenadines during the peak of September (30°C (86°F)) or the cooler months around February (27°C (81°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Clifton, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Union Island, no particular months stand out for consistently comfortable weather, as average temperatures fluctuate year-round.
When it comes to rainfall, Union Island sees significant variations throughout the year. October tends to be the wettest, receiving 165 mm (6.5 in) of rain, while February is much drier with just 35 mm (1.4 in).
January is the sunniest period, with ideal conditions for exploring the region and all it has to offer.