Guyana weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Guyana in August. Check more long-term weather averages for Guyana in August before you book your next holiday to Guyana in 2025/2026.

  • 31°C maximum daytime temperature in August in Guyana (Georgetown)31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 19 days with some rainfall in August in Guyana (Georgetown)19
    19 days with some rainfall
  • 24°C minimum night-time temperature in August in Guyana (Georgetown)24
    24°C min night temperature
  • 12 hours of daylight per day in August in Guyana (Georgetown)12
    12 hours of daylight per day
  • High heat & humidity in August in Guyana (Georgetown)H
    High heat & humidity
  • 179 mm monthly rainfall in August in Guyana (Georgetown)179
    179 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Guyana (Georgetown)11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in Guyana (Georgetown)28
    28°C sea temperature

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The August weather guide for Guyana (Georgetown) 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 Guyana destinations

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

All Guyana destinations

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

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How hot is it in Guyana in August?

Daytime temperatures usually reach 31°C in Georgetown, Guyana in August with high heat and humidity, falling to 24°C at night.

How sunny is it in Guyana in August?

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

How warm is the sea around Guyana in August?

The average sea temperature around Georgetown, Guyana in August is 28°C.

Does it rain in Guyana in August?

There are usually 19 days with some rain in Georgetown, Guyana in August and the average monthly rainfall is 179mm.

Guyana August sunrise & sunset times

Browse the sunrise and sunset times for Guyana in August 2025. Select a month to view Guyana sunrise and sunset times for the next 12 months. The Guyana sunrise and sunset times shown below are for Georgetown.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:47 18:11
Saturday, 16th August 2025 05:47 18:07
Sunday, 31st August 2025 05:45 18:00

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