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

December weather forecast and climate
Lethem, Guyana

The first month of the winter, December, is also a hot month in Lethem, Guyana, with average temperature varying between 23°C (73.4°F) and 33°C (91.4°F).

Temperature

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

Rainfall

In December, the rain falls for 14 days. Throughout December, 33mm (1.3") of precipitation is accumulated. In Lethem, during the entire year, the rain falls for 194 days and collects up to 1739mm (68.5") of precipitation.

Daylight

With an average of 11.9h of daylight, December has the shortest days of the year in Lethem, Guyana.

Sunshine

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

UV index

Months with the highest UV index are January through December, with an average maximum UV index of 12. Months with the lowest UV index are January through December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from the exposure to the Sun's UV rays for average individuals.
In December, the average maximum UV index of 12 translate into the following recommendations:
Practice all-important precautions. Light skin people may get burned in less than 5 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.

What are the warmest months in Lethem?

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

What is the temperature in December in Lethem?

In December, the average high-temperature is 33°C (91.4°F), and the average low-temperature is 23°C (73.4°F).

How many days does it rain in December in Lethem?

In Lethem, Guyana, in December, it is raining for 14 days, with typically 33mm (1.3") of accumulated precipitation.

What is the month with the shortest days in Lethem?

December has the shortest days of the year, with an average of 11.9h of daylight.

How many hours of daylight does Lethem have in December?

In Lethem, the average length of the day in December is 11.9h.

What is the month with the least sunshine in Lethem?

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

How many hours of sunshine does Lethem have in December?

In December, the average sunshine in Lethem is 7h.

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

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

What are the months 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 reading in December in Lethem?

In Lethem, the average daily maximum UV index in December is 12. A UV Index value of 11, and more, symbolizes an excessive health risk from unprotected exposure to the UV radiation.
Average temperature in December - Lethem, Guyana
  • Average high temperature in December: 33°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 December: 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 December - Lethem, Guyana
  • Average rainfall in December: 33mm

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

Average rainfall days in December - Lethem, Guyana
  • Average rainfall days in December: 14 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 December / Average sunshine in December - Lethem, Guyana
  • Average daylight in December: 11.9h

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 December: 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 December - Lethem, Guyana
  • Average UV index in December: 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).