December weather forecast and climate
Tamarindo, Costa Rica

A bird
A bird's eye view of the Coastal Tamarindo in Costa Rica with clear waters and white sandy beaches
December, the first month of the winter, in Tamarindo, is also a hot month, with average temperature ranging between min. 22°C (71.6°F) and max. 31°C (87.8°F).

Temperature

In Tamarindo, Costa Rica, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 22°C (71.6°F).

Rainfall

In Tamarindo, in December, during 10 rainfall days, 13mm (0.5") of precipitation is typically accumulated. In Tamarindo, during the entire year, the rain falls for 171 days and collects up to 1853mm (73") of precipitation.

Sea temperature

January through March and December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater. 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

December has the shortest days of the year, with an average of 11.5h of daylight.

Sunshine

In December, the average sunshine is 6h.

UV index

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

What is the temperature in December in Tamarindo?

The average high-temperature, in December, in Tamarindo, Costa Rica, is 31°C (87.8°F), while the average low-temperature is 22°C (71.6°F).

How much does it rain in Tamarindo in December?

In Tamarindo, in December, during 10 rainfall days, 13mm (0.5") of precipitation is typically accumulated.

What are the months with the coldest sea water in Tamarindo?

January through March and December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater. 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.

How warm is the water in December in Tamarindo?

In December, the average sea temperature in Tamarindo, Costa Rica, is 27°C (80.6°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 Tamarindo?

December has the shortest days of the year in Tamarindo, with an average of 11.5h of daylight.

How many hours of daylight does Tamarindo have in December?

In December, the average length of the day in Tamarindo is 11.5h.

How long on average sun shines in December in Tamarindo?

In December, the average sunshine is 6h.

When is the lowest UV index in Tamarindo?

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

What is the UV index reading in December in Tamarindo?

The average UV index in December in Tamarindo, Costa Rica, is 10.
Average temperature in December - Tamarindo, Costa Rica
  • Average high temperature in December: 31°C

Warmest months (with the highest average high temperature) are February, March and April (33°C).
The month with the lowest average high temperature is September (30°C).

  • Average low temperature in December: 22°C

Months with the highest average low temperature are April and May (24°C).
The coldest month (with the lowest average low temperature) is December (22°C).

Average rainfall in December - Tamarindo, Costa Rica
  • Average rainfall in December: 13mm

The wettest month (with the highest rainfall) is October (362mm).
The driest month (with the lowest rainfall) is February (2mm).

Average rainfall days in December - Tamarindo, Costa Rica
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is September (23 days).
Months with the lowest number of rainy days are February and March (5 days).

Average sea temperature in December - Tamarindo, Costa Rica
  • Average sea temperature in December: 27°C

Best months for swimming (with the highest average sea temperature) are May and June (29°C).
Coldest months (with the lowest average sea temperature) are January, February, March and December (27°C).

Average daylight in December / Average sunshine in December - Tamarindo, Costa Rica
  • Average daylight in December: 11.5h

Months with the longest days are June and July (Average daylight: 12.7h).
The month with shortest days is December (Average daylight: 11.5h).

  • Average sunshine in December: 6h

Months with most sunshine are January, February, March and April (Average sunshine: 8h).
Months with least sunshine are June, August, September and October (Average sunshine: 5).

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

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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