December weather forecast
Tortuguero, Costa Rica

Weather in December

The first month of the winter, December, is still a warm month in Tortuguero, Costa Rica, with an average temperature ranging between max 29°C (84.2°F) and min 22°C (71.6°F).

Temperature

The coldest months are January, August through December, with an average high-temperature of 29°C (84.2°F).

Rainfall

In Tortuguero, it is raining for 17 days, with typically 619mm (24.37") of accumulated precipitation. Throughout the year, in Tortuguero, there are 199 rainfall days, and 4875mm (191.93") of precipitation is accumulated.

Sea temperature

January through April, July, August, November and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Tortuguero.
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

With an average of 11h and 31min of daylight, December has the shortest days of the year in Tortuguero.
On the first day of the month, sunrise is at 05:36 and sunset at 17:09. On the last day of December, in Tortuguero, sunrise is at 05:51 and sunset at 17:22 CST.

Sunshine

February through June, September and December, with an average of 6h of sunshine, are months with the most sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 10. A UV Index of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 10 in December transform into the following instructions:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What are the coldest months in Tortuguero?

January, August through December, with an average high-temperature of 29°C (84.2°F), are the coldest months in Tortuguero.

What is the temperature in December in Tortuguero?

In Tortuguero, in December, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 22°C (71.6°F).

How many days does it rain in December in Tortuguero?

In Tortuguero, during December, the rain falls for 17 days and regularly aggregates up to 619mm (24.37") of precipitation.

When is the sea coldest in Tortuguero?

The months with the coldest seawater in Tortuguero, Costa Rica, are January through April, July, August, November and December, with an average sea temperature of 28°C (82.4°F).

What is the sea water temperature in December in Tortuguero?

In Tortuguero, Costa Rica, in December, the average water temperature is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the month with the shortest days in Tortuguero?

December has the shortest days of the year in Tortuguero, Costa Rica, with an average of 11h and 31min of daylight.

What is the average length of the day in December in Tortuguero?

In December, the average day length in Tortuguero, Costa Rica, is 11h and 31min.

When is the sunrise / sunset in December in Tortuguero?

In December, on the first day of the month, sunrise is at 05:36 and sunset at 17:09. On the last day of the month, in Tortuguero, sunrise is at 05:51 and sunset at 17:22 CST.

What are the months with the most sunshine in Tortuguero?

The months with the most sunshine in Tortuguero are February through June, September and December, with an average of 6h of sunshine.

How long on average sun shines in December in Tortuguero?

In December, the average sunshine duration in Tortuguero is 6h.

When is the lowest UV index in Tortuguero?

With an average maximum UV index of 10, December is the month with the lowest UV index.

How high is the UV index in December in Tortuguero?

In Tortuguero, the average daily maximum UV index in December is 10. A UV Index of 8 to 10 symbolizes a very high health threat from exposure to the Sun's UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in December
Tortuguero, Costa Rica

Average temperature in December - Tortuguero, Costa Rica
  • Average high temperature in December: 29°C

The warmest month (with the highest average high temperature) is April (32°C).
The months with the lowest average high temperature are January, August, September, October, November and December (29°C).

  • Average low temperature in December: 22°C

The months with the highest average low temperature are March, April, May and July (24°C).
The coldest months (with the lowest average low temperature) are November and December (22°C).

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Average rainfall in December
Tortuguero, Costa Rica

Average rainfall in December - Tortuguero, Costa Rica
  • Average rainfall in December: 619mm

The wettest month (with the highest rainfall) is July (624mm).
The driest month (with the least rainfall) is March (177mm).

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Average rainfall days in December
Tortuguero, Costa Rica

Average rainfall days in December - Tortuguero, Costa Rica
  • Average rainfall days in December: 17 days

The months with the highest number of rainy days are June, July, August, September and October (22 days).
The month with the least rainy days is March (7 days).

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Average sea temperature in December
Tortuguero, Costa Rica

Average sea temperature in December - Tortuguero, Costa Rica
  • Average sea temperature in December: 28°C

The best months for swimming (with the highest average sea temperature) are May, June, September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March, April, July, August, November and December (28°C).

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

Average daylight in December / Average sunshine in December - Tortuguero, Costa Rica
  • Average daylight in December: 11h and 31min

The month with the longest days is June (Average daylight: 12h and 44min).
The month with the shortest days is December (Average daylight: 11h and 31min).

  • Average sunshine in December: 6h

The months with the most sunshine are February, March, April, May, June, September and December (Average sunshine: 6h).
The months with the least sunshine are January, July, August, October and November (Average sunshine: 5h).

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Average UV index in December
Tortuguero, Costa Rica

Average UV index in December - Tortuguero, Costa Rica
  • Average UV index in December: 10

The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).

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