December weather forecast
Lethem, Guyana

December rounds off the year with the establishment of a rainfall balance of 33mm (1.3"), mirroring January's weather pattern. The climate remains steadily warm, maintaining the tropical quality of Lethem, Guyana. The temperature, daylight, and sun exposure are consistent with the patterns recorded, aiding to underline the constant climate. The UV index persistently continues to register at a high level throughout this month and year-round.

Temperature

The yearly peak temperatures in Lethem, Guyana, occur in January through April, September through December, averaging a high-temperature of 33°C (91.4°F).

Rainfall

In December, in Lethem, Guyana, the rain falls for 14 days. Throughout December, 33mm (1.3") of precipitation is accumulated. Throughout the year, in Lethem, there are 194 rainfall days, and 1739mm (68.46") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 11h and 54min of daylight.
On the first day of December in Lethem, sunrise is at 05:50 and sunset at 17:46. On the last day of the month, sunrise is at 06:04 and sunset at 18:00 -04.

Sunshine

The months with the least sunshine 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, Guyana. January through December, with an average maximum UV index of 12, are months with the lowest UV index. A UV Index of 11, and more, symbolizes an excessive health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 12 suggests these recommendations:
Implement all key precautions. Warding off sun damage is critical. 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Sunscreen of at least SPF 30 should be applied generously and reapplied often on overcast days, especially post swim or outdoor exercise.