Lethem weather in August 2026

Expect daytime maximum temperatures of 31°C in Lethem, Guyana in August and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 20 days with some rainfall and typically 226 mm of rainfall in the month.

  • 31°C maximum daytime temperature in August in Lethem31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 20 days with some rainfall in August in Lethem20
    20 days with some rainfall
  • 23°C minimum night-time temperature in August in Lethem23
    23°C min night temperature
  • 12 hours of daylight per day in August in Lethem12
    12 hours of daylight per day
  • High heat & humidity in August in LethemH
    High heat & humidity
  • 226 mm monthly rainfall in August in Lethem226
    226 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Lethem11
    11+ (Extreme) UV index

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The August weather guide for Guyana (Lethem) 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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How hot is it in Lethem in August?

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

How sunny is it in Lethem in August?

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

How warm is the sea around Lethem in August?

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

Does it rain in Lethem in August?

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

Lethem August sunrise & sunset times

Browse the sunrise and sunset times for Lethem in August 2026. Select a month to view Lethem sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 05:58 18:13
Sunday, 16th August 2026 05:57 18:10
Monday, 31st August 2026 05:54 18:05

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