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.

Monday
8th Dec
34

25

7

10
Tuesday
9th Dec
33

25

6

10
Wednesday
10th Dec
34

24

8

11
Thursday
11th Dec
34

24

8

11
Friday
12th Dec
34

24

7

11

5-day weather forecast updated at 04:01 on Monday 8th 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 Monday 8th December 2025

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 34°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 23 kph from the north-east.

34
°C maximum temperature
25
°C minimum temperature
scattered clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
23
kph wind from NE

Lethem weather for Tuesday 9th 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 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-east.

33
°C maximum temperature
25
°C minimum temperature
scattered clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
22
kph wind from NE

Lethem weather for Wednesday 10th December 2025

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 34°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 25 kph from the north-east.

34
°C maximum temperature
24
°C minimum temperature
scattered clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
25
kph wind from NE

Lethem weather for Thursday 11th December 2025

34
°C maximum temperature
24
°C minimum temperature
scattered clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
24
kph wind from NE

Lethem weather for Friday 12th December 2025

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 34°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 23 kph from the north-east.