Lethem weather in January 2026

Expect daytime maximum temperatures of 90°F in Lethem, Guyana in January and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 1.7 inches of rainfall in the month.

  • 90°F maximum daytime temperature in January in Lethem90
    90°F max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in January in Lethem13
    13 days with some rainfall
  • 73°F minimum night-time temperature in January in Lethem73
    73°F min night temperature
  • 12 hours of daylight per day in January in Lethem12
    12 hours of daylight per day
  • Very high heat & humidity in January in LethemVH
    Very High heat & humidity
  • 1.7 inches monthly rainfall in January in Lethem1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Lethem11
    11+ (Extreme) UV index

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The January 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 January?

Daytime temperatures usually reach 84°F in Lethem in January with high heat and humidity, falling to 73°F at night.

How sunny is it in Lethem in January?

There are normally 7 hours of bright sunshine each day in Lethem in January - that's 56% of daylight hours.

How warm is the sea around Lethem in January?

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

Does it rain in Lethem in January?

There are usually 24 days with some rain in Lethem in January and the average monthly rainfall is 9.1 inches.

Lethem January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 06:05 18:01
Friday, 16th January 2026 06:10 18:08
Saturday, 31st January 2026 06:13 18:12

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