Union Island weather in August 2023

  • 30°C maximum daytime temperature in August in Union Island30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 20 days with some rainfall in August in Union Island20
    20 days with some rainfall
  • 23°C minimum night-time temperature in August in Union Island23
    23°C min night temperature
  • 13 hours of daylight per day in August in Union Island13
    13 hours of daylight per day
  • Very high heat & humidity in August in Union IslandVH
    Very High heat & humidity
  • 195 mm monthly rainfall in August in Union Island195
    195 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Union Island11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in Union Island28
    28°C sea temperature

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Recommended for St Vincent & the Grenadines

The August 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.

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

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More about St Vincent & the Grenadines

How hot is it in Union Island in August?

Daytime temperatures usually reach 30°C in Union Island in August with very high heat and humidity, falling to 23°C at night.

How sunny is it in Union Island in August?

There are normally 8 hours of bright sunshine each day in Union Island in August - that's 62% of daylight hours.

How warm is the sea around Union Island in August?

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

Does it rain in Union Island in August?

There are usually 20 days with some rain in Union Island in August and the average monthly rainfall is 195mm.

What is the chance of a hurricane in Union Island in August?

On average less than 1 day in August in Union Island is likely to be affected by the passage of one or more tropical storms.

Union Island August sunrise & sunset times

Browse the sunrise and sunset times for Union Island in August 2023. Select a month to view Union Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st August 2023 05:52 18:32
Wednesday, 16th August 2023 05:54 18:26
Thursday, 31st August 2023 05:55 18:17

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