May weather forecast
Lethem, Guyana

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.