Skip to content
Voykit
Draft data. Times, fares and step counts are desk estimates awaiting field checks. How we verify
Source checked
A source and a date are on record: we read it from an official or published page. Not yet confirmed on the ground.
Field checked
Someone checked it on the ground, with the date shown.
Plan calculated
Worked out by Voykit from its own data (times, distances, budgets). A calculation, not a measurement.

Unknown times stay unknown. How we verify

When to go · Union Island

Union Island in May

Great month. Inside Union Island's best window: Dec–Jun.

Key facts

Verdict
Great
Temperature
31°C (88°F) / 26°C (79°F)
average high / low
Rain days
8
Crowds
Medium
Saint Vincent and the Grenadines overall
Prices
Medium
Saint Vincent and the Grenadines overall

Verdict

GreatBest and avoid months for Union Island

Inside Union Island's best window: Dec–Jun.

Is another month better than May?

No other month rates higher than May for Union Island in this guide.

Weather in May

Long-term averages
  • Union IslandHighs around 31 °C (88 °F), lows around 26 °C (79 °F), rain on about 8 days

Crowds and prices

Crowds · Saint Vincent and the Grenadines overall
Medium
Prices · Saint Vincent and the Grenadines overall
Medium

Saint Vincent and the Grenadines overall: Calm, shoulder prices.

Compare two months

Weather, crowds and prices for any two months in Union Island, side by side.

  • Verdict

    May: Great

    Jan: Great

  • Daytime high

    May: 31 °C (88 °F)

    Jan: 30 °C (86 °F)

  • Night low

    May: 26 °C (79 °F)

    Jan: 24 °C (75 °F)

  • Rain days

    May: 8

    Jan: 5 (better)

  • Crowds

    May: Medium

    Jan: High

  • Prices

    May: Medium

    Jan: High

  • Festivals listed

    May: 0

    Jan: 0

May: Inside Union Island's best window: Dec–Jun.

January: Inside Union Island's best window: Dec–Jun.

Union Island: figures are long-term averages from this guide, not a forecast.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen

Build the full packing list for your trip →

Across Saint Vincent and the Grenadines in May →