Lethem weather live forecast

Today's maximum temperature in Lethem is expected to be 34°C. Select a day from the live weather forecast for Lethem, Guyana for more weather parameters.

Saturday
20th Dec
34

25

6

11
Sunday
21st Dec
32

25

8

11
Monday
22nd Dec
33

24

7

11
Tuesday
23rd Dec
33

24

7

11
Wednesday
24th Dec
33

24

7

11

5-day weather forecast updated at 04:01 on Saturday 20th December 2025 GMT

More about Lethem

Lethem by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Guyana

British Airways: The Original Sale is now on

Sale

Save on holidays & flights worldwide in the BA sale
Book trips to Europe, USA, Caribbean & beyond
Including New York, Los Angeles, Florida, Barbados & Dubai

Go to British Airways deal >>

Expires at 23:59 on Tuesday 27th Jan 2026 · View all British Airways offers

The 5-day weather forecast for Guyana (Lethem) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Lethem weather forecast by day

Below are the detailed weather forecasts for Lethem for the next 5 days.

Lethem weather for Saturday 20th December 2025

Expect broken clouds in Lethem, Guyana with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.

34
°C maximum temperature
25
°C minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
22
kph wind from E

Lethem weather for Sunday 21st December 2025

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-east.

32
°C maximum temperature
25
°C minimum temperature
scattered clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
23
kph wind from NE

Lethem weather for Monday 22nd December 2025

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-east.