December weather forecast
Caballo Blanco, Costa Rica

December

Weather in December

December, the first month of the winter in Caballo Blanco, is also an agreeable month, with temperature in the range of an average high of 22.7°C (72.9°F) and an average low of 14.3°C (57.7°F).

Temperature

December's average high-temperature is a still pleasant 22.7°C (72.9°F), maintaining a close comparison with November's 22.4°C (72.3°F). Caballo Blanco records a mean low-temperature of 14.3°C (57.7°F) in December.

Humidity

The average relative humidity in December is 83%.

Rainfall

In Caballo Blanco, in December, during 23 rainfall days, 79mm (3.11") of precipitation is typically accumulated. Throughout the year, there are 305 rainfall days, and 2534mm (99.76") of precipitation is accumulated.

Daylight

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

Sunshine

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 are January through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: During December, 5 as the daily maximum UV index converts into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What are December temperatures in Caballo Blanco?
The average high-temperature, in December, in Caballo Blanco, is 22.7°C (72.9°F), while the average low-temperature is 14.3°C (57.7°F).
What is the average humidity in December?
In Caballo Blanco, the average relative humidity in December is 83%.
How much does it rain in December?
In December, the rain falls for 23 days. Throughout December, 79mm (3.11") of precipitation is accumulated.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 11h and 36min of daylight.
How many hours of daylight does Caballo Blanco have in December?
In December, the average day length is 11h and 34min.
When is the sunrise / sunset in December?
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, sunrise is at 05:52 and sunset at 17:25 CST.
How many hours of sunshine does Caballo Blanco have in December?
In December, the average sunshine duration is 8h.
When is the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 5.
When is the lowest UV index?
January through December, with an average maximum UV index of 5, are months with the lowest UV index.
What is the UV index intensity in December?
In December, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Caballo Blanco, 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
Caballo Blanco, 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
Caballo Blanco, 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
Caballo Blanco, 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
Caballo Blanco, 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
Caballo Blanco, 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
Caballo Blanco, Costa Rica
  • Average daylight in December: 11h and 4min

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
Caballo Blanco, 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
Caballo Blanco, 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).

Average cloud cover in December
Caballo Blanco, Costa Rica
  • Average cloud cover in December: 44

The month with the most cloud cover is October (Cloud cover 61).
The month with the least cloud cover is February (Cloud cover 31).

Average visibility in December
Caballo Blanco, Costa Rica
  • Average visibility in December: 8km

The months with the highest visibility are January, February and March (9km).
The months with the lowest visibility are September and October (6km).

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