Union Island weather in November 2025

Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Union Island in November. Check more long-term weather averages for Union Island in November before you book your next holiday to St Vincent & the Grenadines in 2025/2026.

  • 30°C maximum daytime temperature in November in Union Island30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 20 days with some rainfall in November in Union Island20
    20 days with some rainfall
  • 22°C minimum night-time temperature in November in Union Island22
    22°C min night temperature
  • 12 hours of daylight per day in November in Union Island12
    12 hours of daylight per day
  • High heat & humidity in November in Union IslandH
    High heat & humidity
  • 182 mm monthly rainfall in November in Union Island182
    182 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in November in Union Island10
    10 (Very High) UV index
  • 28°C sea temperature in November in Union Island28
    28°C sea temperature

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The November weather guide for St Vincent & the Grenadines (Union Island) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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

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More about St Vincent & the Grenadines

How hot is it in Union Island in November?

Daytime temperatures usually reach 30°C in Union Island in November with high heat and humidity, falling to 22°C at night.

How sunny is it in Union Island in November?

There are normally 7 hours of bright sunshine each day in Union Island in November - that's 64% of daylight hours.

How warm is the sea around Union Island in November?

The average sea temperature around Union Island in November is 28°C.

Does it rain in Union Island in November?

There are usually 20 days with some rain in Union Island in November and the average monthly rainfall is 182mm.

Union Island November sunrise & sunset times

Browse the sunrise and sunset times for Union Island in November 2025. Select a month to view Union Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st November 2025 05:59 17:39
Saturday, 15th November 2025 06:04 17:37
Sunday, 30th November 2025 06:11 17:38

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