May weather forecast
Lethem, Guyana

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Weather in May

May witnesses a substantial leap in rainfall to 292mm (11.5"), clearly rendering it one of the wettest months of the year in Lethem, Guyana. This drastic increase in rainfall does not, however, cause substantial variations to the temperature range. Despite increased rainfall, ample daylight and sunshine are still prevalent, upholding the tropical weather constant. The UV rating tends to remain at its high level.

Temperature

The advent of May in Lethem brings an average high-temperature of a still hot 32°C (89.6°F), exhibiting minor difference from the previous month. During May, Lethem consistently records a temperature low averaging a warm 23°C (73.4°F).

Rainfall

In Lethem, in May, it is raining for 24 days, with typically 292mm (11.5") of accumulated precipitation. Throughout the year, there are 194 rainfall days, and 1739mm (68.46") of precipitation is accumulated.

Daylight

In May, the average length of the day is 12h and 16min.
On the first day of May in Lethem, Guyana, sunrise is at 05:48 and sunset at 18:03. On the last day of the month, sunrise is at 05:47 and sunset at 18:06 -04.

Sunshine

January through July and December, with an average of 7h of sunshine, are months with the least sunshine in Lethem.

UV index

January through December, with an average maximum UV index of 12, are months with the highest UV index in Lethem. January through December, with an average maximum UV index of 12, are months with the lowest UV index. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 12 in May translates into the following recommendations:
Adopt every precaution of necessity, unprotected skin and eyes may suffer burns instantly. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat. After a swim or outdoor exercise, one should liberally reapply broad-spectrum sunscreen with a sun protection factor of 30 or higher.

Frequently asked questions

How hot is it in Lethem in May?

The high-temperature, in May, in Lethem, is 32°C (89.6°F), while the low-temperature averages to 23°C (73.4°F).

How much does it rain in Lethem in May?

In Lethem, in May, it is raining for 24 days, with typically 292mm (11.5") of accumulated precipitation.

What is the average length of the day in May in Lethem?

In May, the average day length in Lethem is 12h and 16min.

When is the sunrise / sunset in May in Lethem?

On the first day of May in Lethem, Guyana, sunrise is at 05:48 and sunset at 18:03. On the last day of the month, sunrise is at 05:47 and sunset at 18:06 -04.

What is the month with the least sunshine in Lethem?

January through July and December, with an average of 7h of sunshine, are months with the least sunshine.

How many hours of sunshine does Lethem have in May?

The average sunshine duration in May in Lethem, Guyana, is 7h.

What are the months with the highest UV index in Lethem?

January through December, with an average maximum UV index of 12, are months with the highest UV index.

What is the month with the lowest UV index in Lethem?

January through December, with an average maximum UV index of 12, are months with the lowest UV index in Lethem, Guyana.

How high is the UV index in May in Lethem?

The average daily maximum UV index in May in Lethem is 12. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from exposure to the Sun's UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Lethem, Guyana

Average temperature in May - Lethem, Guyana
  • Average high temperature in May: 32°C

The warmest months (with the highest average high temperature) are January, February, March, April, September, October, November and December (33°C).
The months with the lowest average high temperature are June, July and August (31°C).

  • Average low temperature in May: 23°C

The months with the highest average low temperature are September, October and November (24°C).
The coldest months (with the lowest average low temperature) are January, February, March, April, May, June, July, August and December (23°C).

Average rainfall in May
Lethem, Guyana

Average rainfall in May - Lethem, Guyana
  • Average rainfall in May: 292mm

The wettest month (with the highest rainfall) is July (376mm).
The driest month (with the least rainfall) is January (30mm).

Average rainfall days in May
Lethem, Guyana

Average rainfall days in May - Lethem, Guyana
  • Average rainfall days in May: 24 days

The month with the highest number of rainy days is June (26 days).
The month with the least rainy days is February (10 days).

Average daylight in May /
Average sunshine in May
Lethem, Guyana

Average daylight in May / Average sunshine in May - Lethem, Guyana
  • Average daylight in May: 12h and 2min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in May: 7h

The months with the most sunshine are August, September, October and November (Average sunshine: 8h).
The months with the least sunshine are January, February, March, April, May, June, July and December (Average sunshine: 7h).

Average UV index in May
Lethem, Guyana

Average UV index in May - Lethem, Guyana
  • Average UV index in May: 12

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 12).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 12).

Lethem, Guyana

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