Lethem
Guyana
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Lethem, Guyana

The last month of the spring, May, is also a hot month in Lethem, Guyana, with temperature in the range of an average low of 23°C (73.4°F) and an average high of 32°C (89.6°F).

Temperature

In May, the average high-temperature is practically the same as in April - a still tropical 32°C (89.6°F). In May, the average low-temperature is 23°C (73.4°F).

Rainfall

In May, in Lethem, the rain falls for 24 days. Throughout May, 292mm (11.5") of precipitation is accumulated. Throughout the year, in Lethem, there are 194 rainfall days, and 1739mm (68.5") of precipitation is accumulated.

Daylight

May through July, with an average of 12.3h of daylight, are months with the longest days.

Sunshine

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

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 in Lethem. A UV Index estimate of 11, and higher, represents an extreme threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 12 in May transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the temperature in May in Lethem?

In May, in Lethem, Guyana, the average high-temperature is 32°C (89.6°F), and the average low-temperature is 23°C (73.4°F).

How much does it rain in Lethem in May?

In Lethem, Guyana, during May, the rain falls for 24 days and regularly aggregates up to 292mm (11.5") of precipitation.

When are the longest days in Lethem?

Months with the longest days in Lethem, Guyana, are May through July, with an average of 12.3h of daylight.

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

The average length of the day in May in Lethem, Guyana, is 12.3h.

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 in May in Lethem, Guyana, is 7h.

When is the highest UV index in Lethem?

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

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.

What is the UV index intensity in May in Lethem?

In May, the average daily maximum UV index in Lethem, Guyana, is 12. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from the exposure to the Sun's UV rays.
Average temperature in May - Lethem, Guyana
  • Average high temperature in May: 32°C

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

  • Average low temperature in May: 23°C

Months with the highest average low temperature are September, October and November (24°C).
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: 292mm

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

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 lowest number of rainy days is February (10 days).

Average daylight in May / Average sunshine in May - Lethem, Guyana
  • Average daylight in May: 12.3h

Months with the longest days are May, June and July (Average daylight: 12.3h).
The month with shortest days is December (Average daylight: 11.9h).

  • Average sunshine in May: 7h

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

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

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