During the day morning clear, later morning partly cloudy, in the evening initially partly cloudy, later clear. The highest temperature 91 °F. Total rainfall 0.02 in. At night cloudy. The lowest temperature 77 °F. Total rainfall 0.00 in.

Interactive map weather Guyana

GPS: 3.3833; -59.8000

altitude: 278 ft
local time:

PLACES IN THE AREA

Weather forecast Lethem, Guyana extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Wednesday 09/10/2025
2 AM	clear	77 °F 86 °F	0.01 in	4 fps 2 mph northeast	29.8 in	87 %	73 °F	0 %	0%	0%	0%	0%
8 AM	partly cloudy	81 °F 88 °F	0.01 in	10 fps 7 mph northeast	29.9 in	77 %	73 °F	16 %	0%	9%	15%	0%
2 PM	partly cloudy	91 °F 100 °F	0.0 in	4 fps 2 mph northeast	29.8 in	54 %	72 °F	18 %	0%	10%	7%	0%
8 PM	clear	81 °F 91 °F	0.0 in	2 fps 1 mph southeast	29.8 in	85 %	75 °F	3 %	0%	0%	3%	0%
Thursday 09/11/2025
2 AM	cloudy	77 °F 86 °F	0.00 in	3 fps 2 mph northeast	29.8 in	88 %	73 °F	63 %	0%	0%	0%	63%
8 AM	partly cloudy	82 °F 90 °F	0.01 in	13 fps 9 mph east-northeast	29.9 in	73 %	72 °F	33 %	0%	0%	0%	33%
2 PM	cloudy	93 °F 100 °F	0.0 in	7 fps 4 mph east-northeast	29.8 in	49 %	70 °F	43 %	0%	1%	12%	35%

Lethem, Guyana - information

State: Guyana

GPS coordinates: 3.3833; -59.8000

Time zone: America / Guyana time difference in hours with time in NY is -6 hours

Population: 716
Altitude: 278 ft
The administrative part:

Upper Takutu-Upper Essequibo Region, Lethem

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Data source

Weather forecast for Lethem is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Long-term statistical averages

	average	min.	max.	precipit… days
January	71 °F	62 °F	83 °F	8
February	71 °F	62 °F	84 °F	5
March	72 °F	62 °F	85 °F	8
April	71 °F	63 °F	83 °F	11
May	71 °F	64 °F	82 °F	18
June	70 °F	63 °F	80 °F	22
July	69 °F	62 °F	80 °F	21
August	70 °F	62 °F	81 °F	18
September	70 °F	61 °F	82 °F	11
October	71 °F	60 °F	84 °F	10
November	71 °F	61 °F	83 °F	10
December	70 °F	61 °F	83 °F	9

Statistical averages in charts Lethem

Astronomical information Lethem

data are always in the local time

Sun and light

Sept. 10, 2025

Sunrise:	Sunset:
5:51 am	6 pm
Noon:	Length of day:
11:56 am	12:09
Start of civil twilight*:	End of civil twilight*:
5:30 am	6:21 pm
Start of nautical twilight*:	End of nautical twilight*:
5:06 am	6:45 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:42 am	7:09 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
09/09/2025 7:41 pm	09/10/2025 8:11 am
Next new moon:	Next full moon:
09/21/2025	10/06/2025

Weather Lethem long-term weather forecast