March weather forecast
Lethem, Guyana

The weather in March closely mirrors that of the first two months of the year. However, it should be noted that there is a slight increase in total rainfall, marking the transition towards the wetter part of the year. The warmth, daylight levels, and sunshine experienced are consistent with earlier trends. As with preceding months, March continues to record high levels of UV radiation that residents and visitors alike should take into consideration.

Temperature

In Lethem, the warmest months are January through April, September through December, registering an average high-temperature of 33°C (91.4°F).

Rainfall

In Lethem, Guyana, during March, the rain falls for 12 days and regularly aggregates up to 33mm (1.3") of precipitation. In Lethem, during the entire year, the rain falls for 194 days and collects up to 1739mm (68.46") of precipitation.

Daylight

The average length of the day in March is 12h and 6min.
On the first day of the month, sunrise is at 06:09 and sunset at 18:13. On the last day of March, sunrise is at 05:58 and sunset at 18:07 -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. 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 health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In March, the maximum UV index of 12 translates into these guidelines:
Adopt every vital precaution, unprotected skin and eyes may burn rapidly. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Even on overcast days, a sunscreen with a sun protection factor of no less than 30 should be generously applied and reapplied, particularly after swimming or outdoor activities.