Lethem weather by month & the best time to visit

🇬🇾 Guyana · small town · tropical — wet & dry seasons climate

The best time to visit Lethem is September — its sunniest month (Sunshine Score 79/100). Lethem averages about 2,454 hours of sunshine a year. Daytime highs around 32°C / 90°F and roughly 79 mm of rain in September.

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Sun hours / year

2,454

Sunniest month

September

Peak score

79/100

Rain / year

1,387 mm

Midday UV at peak

11 (extreme)

Population

716

Elevation

88 m

When is the best time to visit Lethem?

For sunshine, the best time to visit Lethem is September. The dullest month is April (52/100, 105 mm of rain). The full month-by-month picture is in the table below.

How sunny is Lethem?

Lethem gets a moderate 2,454 hours of sunshine a year. September (79/100) is noticeably better than April (52). Lethem is the sunniest of the 4 destinations tracked in Guyana. Rain has a clear season: the wettest stretch, around June, carries about 56% of the annual 1,387 mm.

Sunshine Score by month

See Lethem on the interactive sunshine globe →

Nearby places for sunshine

• Boa Vista Brazil · 116 km · best in Sep · 2,322 h sun/yr
• Georgetown Guyana · 387 km · best in Sep · 2,001 h sun/yr
• Manaus Brazil · 714 km · best in Aug · 1,928 h sun/yr
• Port of Spain Trinidad & Tobago · 821 km · best in Mar · 2,546 h sun/yr
• Cayenne French Guiana · 839 km · best in Sep · 2,049 h sun/yr
• Santarém Brazil · 851 km · best in Sep · 2,281 h sun/yr

Nearest destinations

• Santa Elena de Uairén Venezuela · 200 km · 2,569 h sun/yr · best in Feb
• Kaieteur Falls Guyana · 203 km · 2,120 h sun/yr · best in Mar
• Ogle Guyana · 425 km · 2,001 h sun/yr · best in Mar
• Wageningen Suriname · 441 km · 2,377 h sun/yr · best in Sep