Lethem weather live forecast

Today's maximum temperature in Lethem is expected to be 33°C. Select a day from the live weather forecast for Lethem, Guyana for more weather parameters.

Friday
12th Dec
33

25

6

11
Saturday
13th Dec
32

25

7

10
Sunday
14th Dec
33

24

7

10
Monday
15th Dec
33

25

7

10
Tuesday
16th Dec
33

25

7

10

5-day weather forecast updated at 04:01 on Friday 12th December 2025 GMT

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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 Friday 12th December 2025

Expect broken clouds in Lethem, Guyana with a maximum temperature of 33°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 25 kph from the north-east.

33
°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
25
kph wind from NE

Lethem weather for Saturday 13th December 2025

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a moderate breeze of 26 kph from the north-east.

32
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
34
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
26
kph wind from NE

Lethem weather for Sunday 14th December 2025

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a moderate breeze of 25 kph from the north-east.

33
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
36
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
25
kph wind from NE

Lethem weather for Monday 15th December 2025

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-east.