Basseterre
Saint Kitts and Nevis
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Basseterre, Saint Kitts and Nevis

A bridge across the lovely waters leading to Basseterre, Saint Kitts, and Nevis, with a distant view of the gorgeous mountain ranges
A bridge across the lovely waters leading to Basseterre, Saint Kitts, and Nevis, with a distant view of the gorgeous mountain ranges
December, the first month of the winter, in Basseterre, is also a moderately hot month, with average temperature varying between 29°C (84.2°F) and 23°C (73.4°F).

Temperature

In December, the average high-temperature is practically the same as in November - a moderately hot 29°C (84.2°F). In December, in Basseterre, the average low-temperature is 23°C (73.4°F).

Rainfall

In Basseterre, during December, the rain falls for 20 days and regularly aggregates up to 89mm (3.5") of precipitation. In Basseterre, during the entire year, the rain falls for 199 days and collects up to 1061mm (41.8") of precipitation.

Sea temperature

In Basseterre, the average water temperature 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.

Daylight

The month with the shortest days in Basseterre is December, with an average of 11.1h of daylight.

Sunshine

January through March, May through December, with an average of 8h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 8, are months with the lowest UV index in Basseterre. A UV Index of 8 to 10 symbolizes a very high threat to health from unprotected exposure to the Sun's UV rays for the average person.
In December, the average maximum UV index of 8 translate into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in December in Basseterre?

In Basseterre, Saint Kitts and Nevis, in December, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 23°C (73.4°F).

How much does it rain in Basseterre in December?

In Basseterre, Saint Kitts and Nevis, in December, it is raining for 20 days, with typically 89mm (3.5") of accumulated precipitation.

What is the water temperature in December in Basseterre?

In Basseterre, the average seawater temperature in December 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 Basseterre?

With an average of 11.1h of daylight, December has the shortest days of the year in Basseterre, Saint Kitts and Nevis.

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

In Basseterre, the average length of the day in December is 11.1h.

What is the month with the least sunshine in Basseterre?

Months with the least sunshine in Basseterre are January through March, May through December, with an average of 8h of sunshine.

How long on average sun shines in December in Basseterre?

The average sunshine in December in Basseterre is 8h.

What is the month with the lowest UV index in Basseterre?

Months with the lowest UV index are January and December, with an average maximum UV index of 8.

What is the UV index reading in December in Basseterre?

In Basseterre, Saint Kitts and Nevis, the average daily maximum UV index in December is 8. A UV Index reading of 8 to 10 represents a very high hazard to health from unprotected exposure to the UV radiation.
Average temperature in December - Basseterre, Saint Kitts and Nevis
  • Average high temperature in December: 29°C

Warmest months (with the highest average high temperature) are June, July, August, September and October (31°C).
Months with the lowest average high temperature are January and February (28°C).

  • Average low temperature in December: 23°C

Months with the highest average low temperature are June, July, August, September and October (25°C).
Coldest months (with the lowest average low temperature) are January and February (22°C).

Average rainfall in December - Basseterre, Saint Kitts and Nevis
  • Average rainfall in December: 89mm

The wettest month (with the highest rainfall) is September (139mm).
The driest month (with the lowest rainfall) is March (36mm).

Average rainfall days in December - Basseterre, Saint Kitts and Nevis
  • Average rainfall days in December: 20 days

Months with the highest number of rainy days are October, November and December (20 days).
Months with the lowest number of rainy days are March, April and June (13 days).

Average sea temperature in December - Basseterre, Saint Kitts and Nevis
  • Average sea temperature in December: 27°C

Best months for swimming (with the highest average sea temperature) are September and October (29°C).
Coldest months (with the lowest average sea temperature) are January, February and March (26°C).

Average daylight in December / Average sunshine in December - Basseterre, Saint Kitts and Nevis
  • Average daylight in December: 11.1h

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11.1h).

  • Average sunshine in December: 8h

The month with most sunshine is April (Average sunshine: 9h).
Months with least sunshine are January, February, March, May, June, July, August, September, October, November and December (Average sunshine: 8).

Average UV index in December - Basseterre, Saint Kitts and Nevis
  • Average UV index in December: 8

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January and December (UV index 8).