Union Island Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Union Island, Saint Vincent & Grenadines in May.

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Are you planning a trip a to Union Island, Saint Vincent & Grenadines in May and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Union Island in May

Union Island, Saint Vincent & Grenadines is a region in Saint Vincent & Grenadines. May in Union Island generally has warm temperatures, with moderate precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 26°C (79°F) in Clifton.

To learn more about the conditions in specific areas of Union Island, Saint Vincent & Grenadines, check out the map below.

Precipitation

May is a moderate rainy month with an average rainfall of around 61 mm (2.4 in) in Clifton.

Average sunshine

Several destinations enjoy plenty of sunshine this month. Clifton sees close to 248 hours of sunlight, making it great for sun lovers.

Explore Union Island by month

Pick a month to see the average temperature, rainfall and sunshine in Union Island — and find the best time to visit. (based on Clifton)

Best Places to Visit in Union Island in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Union Island.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Union Island

What is the weather like in May for the most popular destinonation in Union Island, Saint Vincent & Grenadines?

Clifton

In May Clifton generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
28°C (82°F)
29°C (84°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
240 hours
248 hours
210 hours
Monthly rainfall
45 mm (1.8 in)
61 mm (2.4 in)
120 mm (4.7 in)
Monthly rainy days
8 days
14 days
17 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Union Island, in Saint Vincent & Grenadines.

In our records: Saint Vincent & Grenadines May extremes

Notable May records observed across cities in Saint Vincent & Grenadines in our climate database (1987 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest May day in Saint Vincent & Grenadines reached 39°C (102°F) in Calliaqua on May 24, 2005.

Union Island weather in May: frequently asked questions

What is the weather like in Union Island, Saint Vincent & Grenadines in May?

Union Island, Saint Vincent & Grenadines typically experiences perfect weather in May, part of the season. Daytime highs in Clifton average around 29°C (84°F), and temperatures drop to about 26°C (79°F) at night.

What is the average temperature in Union Island, Saint Vincent & Grenadines in May?

Daytime temperatures in Clifton peak at roughly 29°C (84°F) in May, dropping to about 26°C (79°F) overnight.

Does Union Island, Saint Vincent & Grenadines get a lot of rain in May?

Rain is generally moderate to light in Union Island, Saint Vincent & Grenadines during May, with Clifton averaging close to 61 mm (2.4 in).

Is May a Good Time to Visit Union Island, Saint Vincent & Grenadines?

We believe that May is one of the best times to visit Union Island, Saint Vincent & Grenadines with overall perfect weather in Clifton. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in January, February, March, April, May and December offering mostly perfect weather in Clifton. In contrast, September and October tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Union Island.

Weather and climate has detailed information for every country in the world. Are you going to Saint Vincent & Grenadines? Get detailed historical weather averages for many cities in Saint Vincent & Grenadines.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.