December weather forecastCot, Costa Rica

December

Weather in December

The first month of the winter, December, is still a pleasant month in Cot, Costa Rica, with an average temperature ranging between min 14.3°C (57.7°F) and max 22.7°C (72.9°F).

Temperature

With the start of December, Cot measures an average high-temperature of a still agreeable 22.7°C (72.9°F), not significantly differing from November's 22.4°C (72.3°F). An average low-temperature of 14.3°C (57.7°F) marks the month of December in Cot.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Cot, in December, during 23 rainfall days, 79mm (3.11") of precipitation is typically accumulated. In Cot, during the entire year, the rain falls for 305 days and collects up to 2534mm (99.76") of precipitation.

Daylight

With an average of 11h and 36min of daylight, December has the shortest days of the year in Cot.
On the first day of the month, sunrise is at 05:37 and sunset at 17:12. On the last day of December, in Cot, sunrise is at 05:52 and sunset at 17:25 CST.

Sunshine

In Cot, the average sunshine in December is 8h.

UV index

January through December, with an average maximum UV index of 5, are months with the highest UV index. The months with the lowest UV index in Cot are January through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 5 suggests this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Cot, Costa Rica, during December is 22.7°C (72.9°F) and the low-temperature is 14.3°C (57.7°F).

In Cot, the average relative humidity in December is 83%.

In Cot, Costa Rica, in December, it is raining for 23 days, with typically 79mm (3.11") of accumulated precipitation.

With an average of 11h and 36min of daylight, December has the shortest days of the year.

In December, the average day length in Cot is 11h and 34min.

In December, on the first day of the month, sunrise is at 05:37 and sunset at 17:12. On the last day of the month, in Cot, sunrise is at 05:52 and sunset at 17:25 CST.

In Cot, Costa Rica, the average sunshine duration in December is 8h.

January through December, with an average maximum UV index of 5, are months with the highest UV index in Cot, Costa Rica.

January through December, with an average maximum UV index of 5, are months with the lowest UV index in Cot.

The average daily maximum UV index in December in Cot is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

22.4°C

22.7°C

23.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.6km/h

7.6km/h

8.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

4.9

9.2

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Cot, Costa Rica

Average high temperature in December: 22.7°C

The warmest month (with the highest average high temperature) is April (25.3°C).
The month with the lowest average high temperature is October (22.2°C).

Average low temperature in December: 14.3°C

The month with the highest average low temperature is May (16.9°C).
The coldest month (with the lowest average low temperature) is January (13.7°C).

Average pressure in December
Cot, Costa Rica

Average pressure in December: 1011.8mbar

The month with the highest atmospheric pressure is January (1012.4mbar).
The month with the lowest atmospheric pressure is October (1010.9mbar).

Average wind speed in December
Cot, Costa Rica

Average wind speed in December: 7.2km/h

The windiest month (with the highest average wind speed) is February (8.6km/h).
The calmest month (with the lowest average wind speed) is September (3.7km/h).

Average humidity in December
Cot, Costa Rica

Average humidity in December: 83%

The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is February (76%).

Average rainfall in December
Cot, Costa Rica

Average rainfall in December: 79mm

The wettest month (with the highest rainfall) is October (444mm).
The driest month (with the least rainfall) is February (33mm).

Average rainfall days in December
Cot, Costa Rica

Average rainfall days in December: 23 days

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (14.9 days).

Average daylight in December /
Average sunshine in December
Cot, Costa Rica

Average daylight in December: 11h and 36min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).

Average sunshine in December: 8h and 0min

The month with the most sunshine is February (Average sunshine: 9h and 6min).
The month with the least sunshine is October (Average sunshine: 6h and 30min).

Average sunshine days in December
Cot, Costa Rica

Average sunshine days in December: 4.9 days

The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is October (0.1 days).

Average UV index in December
Cot, Costa Rica

Average UV index in December: 5

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).