Union Island weather averages

Going to Union Island? Find the best month to visit Union Island based on the weather.

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Check Union Island weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Union Island is expected to be 28°C, while the average maximum temperature in November is 30°C.

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More about Union Island

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Metric (°C / mm)  |  Imperial (°F / inches)

Union Island weather averages: best month

Union Island Best month Averages
Warmest April, May, June, July, August, September, October & November 30°C
Sunniest January, February, March, April, May & August 8 hours per day
Least rain April 10 days
Warmest sea September & October 29°C

Union Island climate guide

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Tropical storm risk: Union Island hurricane season

% of month affected by tropical storms
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<1%
1%
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<1%
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The Union Island tropical storm risk chart above shows the hurricane season.

More about tropical storms

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Union Island weather averages by month

Check Union Island holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Union Island weather with the USA

Below the Union Island weather chart shows maximum daytime temperature for Union Island, St Vincent and the Grenadines and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Union Island, St Vincent and the Grenadines
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

Compare more Union Island weather >>

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