Lethem weather in May 2025

Expect daytime maximum temperatures of 31°C 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 302 mm of rainfall in the month.

  • 31°C maximum daytime temperature in May in Lethem31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 24 days with some rainfall in May in Lethem24
    24 days with some rainfall
  • 23°C minimum night-time temperature in May in Lethem23
    23°C 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
  • 302 mm monthly rainfall in May in Lethem302
    302 mm 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Lethem in May?

Daytime temperatures usually reach 31°C in Lethem in May with very high heat and humidity, falling to 23°C at night.

How sunny is it in Lethem in May?

There are normally 7 hours of bright sunshine each day in Lethem in May - that's 55% of daylight hours.

Does it rain in Lethem in May?

There are usually 24 days with some rain in Lethem in May and the average monthly rainfall is 302mm.

Lethem May sunrise & sunset times

Browse the sunrise and sunset times for Lethem in May 2025. Select a month to view Lethem sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:49 18:03
Friday, 16th May 2025 05:47 18:04
Saturday, 31st May 2025 05:48 18:06

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