Which is the hottest month in Lethem?

The hottest time of year in Lethem is normally October. Expect maximum daytime temperatures to reach 34°C with very high heat and humidity.

Which month has the most rain in Lethem?

In terms of rainfall, June is usually the wettest month in Lethem with 375mm on average. There are normally 26 days in June with some rain.

When is it sunniest in Lethem?

The sunniest time of year in Lethem is normally November with bright sunshine on average for 68% of daylight hours; that's 8 hours of sunshine per day.

Best time to visit Lethem

Q: When is the best time to visit Lethem?

The best time to visit Lethem is June and July based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C.

Find the best time to visit Lethem and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Lethem by month

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

Recommended for Guyana

KAYAK: Top UK travel deals of the day

Sale

Save on UK travel with KAYAK's deals of the day
Find deals for destinations around the world
Filter by travel deal type, budget & month

Go to KAYAK deal >>

View all KAYAK offers

When is the best time to visit Lethem?

The best time to visit Lethem is June and July based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]

Change the criteria to reflect your weather preferences.

2
Jan
2
Feb
2
Mar
2
Apr
2.5
May
3.5
Jun
3.5
Jul
2.5
Aug
1
Sep
0
Oct
1
Nov
2
Dec

Change criteria

Max Day Temperature (°F)

90
Jan
90
Feb
90
Mar
90
Apr
88
May
86
Jun
86
Jul
88
Aug
91
Sep
93
Oct
91
Nov
90
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Guyana (Lethem) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)