December weather forecast
Lethem, Guyana

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Weather in December

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.

Frequently asked questions

What month is the hottest in Lethem?

Lethem's warmest season falls during January through April, September through December, averaging a high-temperature of 33°C (91.4°F).

How hot is it in Lethem in December?

The average high-temperature and low-temperature in Lethem, Guyana, during December are 33°C (91.4°F) and 23°C (73.4°F) respectively.

How much does it rain in Lethem in December?

In Lethem, in December, during 14 rainfall days, 33mm (1.3") of precipitation is typically accumulated.

What is the month with the shortest days in Lethem?

The month with the shortest days is December, with an average of 11h and 54min of daylight.

How many hours of daylight does Lethem have in December?

In December, the average day length in Lethem is 11h and 56min.

What time are sunrise and sunset in December in Lethem?

In December, on the first day of the month, 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.

What are the months with the least sunshine in Lethem?

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

How long on average sun shines in December in Lethem?

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

When is the highest UV index in Lethem?

The 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?

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

What is the UV index reading in December in Lethem?

In Lethem, Guyana, the average daily maximum UV index in December is 12. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Lethem, Guyana

Average temperature in December - Lethem, Guyana
  • Average high temperature in December: 33°C

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

  • Average low temperature in December: 23°C

The months with the highest average low temperature are September, October and November (24°C).
The 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 - Lethem, Guyana
  • Average rainfall in December: 33mm

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

Average rainfall days in December
Lethem, Guyana

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 least rainy days is February (10 days).

Average daylight in December /
Average sunshine in December
Lethem, Guyana

Average daylight in December / Average sunshine in December - Lethem, Guyana
  • Average daylight in December: 11h and 5min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in December: 7h

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

Average UV index in December
Lethem, Guyana

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

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

Lethem, Guyana

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