Lethem weather in May 2026

Expect daytime maximum temperatures of 88°F in Lethem, Guyana in May and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 24 days with some rainfall and typically 11.9 inches of rainfall in the month.

  • 88°F maximum daytime temperature in May in Lethem88
    88°F max day temperature
  • 7 hours of sunshine per day
  • 24 days with some rainfall in May in Lethem24
    24 days with some rainfall
  • 73°F minimum night-time temperature in May in Lethem73
    73°F min night temperature
  • 12 hours of daylight per day in May in Lethem12
    12 hours of daylight per day
  • Very high heat & humidity in May in LethemVH
    Very High heat & humidity
  • 11.9 inches monthly rainfall in May in Lethem11.9
    11.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Lethem11
    11+ (Extreme) UV index

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The May 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)  |  Imperial (°F)

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How hot is it in Lethem in May?

Daytime temperatures usually reach 86°F in Lethem in May with high heat and humidity, falling to 75°F at night.

How sunny is it in Lethem in May?

There are normally 6 hours of bright sunshine each day in Lethem in May - that's 48% of daylight hours.

How warm is the sea around Lethem in May?

The average sea temperature around Lethem in May is 81°F.

Does it rain in Lethem in May?

There are usually 25 days with some rain in Lethem in May and the average monthly rainfall is 11.7 inches.

Lethem May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:49 18:03
Saturday, 16th May 2026 05:47 18:04
Sunday, 31st May 2026 05:48 18:06

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