St Vincent & the Grenadines weather in August 2025

Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Vincent & the Grenadines in August. Check more long-term weather averages for St Vincent & the Grenadines in August before you book your next holiday to St Vincent & the Grenadines in 2025/2026.

• 29
  29°C max day temperature
• 8
  8 hours of sunshine per day
• 20
  20 days with some rainfall
• 23
  23°C min night temperature
• 13
  13 hours of daylight per day
• VH
  Very High heat & humidity
• 282
  282 mm of monthly rainfall
• 11
  11+ (Extreme) UV index
• 28
  28°C sea temperature

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St Vincent & the Grenadines by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The August weather guide for St Vincent & the Grenadines (Kingstown) 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.

Top St Vincent & the Grenadines destinations

Below are average maximum temperatures at popular countries, regions and places in St Vincent & the Grenadines in August. Select a holiday destination to see more weather parameters.

• 30
  Mayreau
• 30
  Palm Island
• 30
  Petit St Vincent
• 30
  Union Island
• 29
  Bequia
• 29
  Canouan
• 29
  Kingstown
• 29
  Mustique

All St Vincent & the Grenadines destinations

• Bequia
• Canouan
• Kingstown
• Mayreau
• Mustique
• Palm Island
• Petit St Vincent
• Union Island

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

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St Vincent & the Grenadines August sunrise & sunset times

Browse the sunrise and sunset times for St Vincent & the Grenadines in August 2025. Select a month to view St Vincent & the Grenadines sunrise and sunset times for the next 12 months. The St Vincent & the Grenadines sunrise and sunset times shown below are for Kingstown.

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