December weather forecast
Cayon, Saint Kitts and Nevis

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Weather in December

As the end of the year draws near, December shows a drop in temperature, marking the start of the city's winter period. The average rainfall drops considerably compared to November, leading to drier days within the month. One can experience a notable decrease in sunlight hours, giving one a sense of the changing seasons. A culmination in reduced wind speeds is noticed, with an average figure of 24.6km/h (15.3mph). With reduced rainfall to about 27mm (1.06"), the cooler climate of Cayon becomes apparent, finalizing the spectrum of the diverse weather that Cayon, Saint Kitts and Nevis offers throughout the year.

Temperature

As December takes its course, Cayon's average high-temperature registers at a still moderately hot 26.9°C (80.4°F), closely aligning with the preceding month. Cayon sustains an average of approximately a still moderately hot 26.2°C (79.2°F) during December nights, with little variation from daytime highs.

Humidity

The months with the lowest humidity are January through March and December, with an average relative humidity of 75%.

Rainfall

In Cayon, in December, during 16.9 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, there are 198.3 rainfall days, and 386mm (15.2") of precipitation is accumulated.

Daylight

With an average of 11h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:25 and sunset at 17:35. On the last day of December, sunrise is at 06:40 and sunset at 17:47 AST.

Sunshine

With an average of 6.5h of sunshine, December has the least sunshine of the year in Cayon, Saint Kitts and Nevis.

UV index

The months with the highest UV index in Cayon are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 7 in December translates into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What are the temperatures in Cayon in December?

The high-temperature in Cayon during December is 26.9°C (80.4°F) and the low-temperature is 26.2°C (79.2°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in November is evaluated at 31°C (87.8°F).

What are the least humid months in Cayon?

January through March and December, with an average relative humidity of 75%, are the least humid months in Cayon, Saint Kitts and Nevis.

What is the average humidity in December in Cayon?

In December, the average relative humidity in Cayon is 75%.

How much does it rain in Cayon in December?

In Cayon, Saint Kitts and Nevis, during December, the rain falls for 16.9 days and regularly aggregates up to 27mm (1.06") of precipitation.

What is the month with the shortest days in Cayon?

With an average of 11h and 6min of daylight, December has the shortest days of the year in Cayon.

How many hours of daylight does Cayon have in December?

In December, the average day length in Cayon, Saint Kitts and Nevis, is 11h and 7min.

When are sunrise and sunset in December in Cayon?

In December, on the first day of the month, sunrise is at 06:25 and sunset at 17:35. On the last day of the month, in Cayon, sunrise is at 06:40 and sunset at 17:47 AST.

What is the month with the least sunshine in Cayon?

With an average of 6.5h of sunshine, December has the least sunshine of the year in Cayon.

How long on average sun shines in December in Cayon?

In December, the average sunshine duration in Cayon is 6.5h.

What are the months with the highest UV index in Cayon?

The months with the highest UV index in Cayon are January through December, with an average maximum UV index of 7.

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

The months with the lowest UV index in Cayon, Saint Kitts and Nevis, are January through December, with an average maximum UV index of 7.

How high is the UV index in December in Cayon?

In December, the average daily maximum UV index in Cayon is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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Average temperature in December
Cayon, Saint Kitts and Nevis

Average temperature in December - Cayon, Saint Kitts and Nevis
  • Average high temperature in December: 26.9°C

The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is March (25.8°C).

  • Average low temperature in December: 26.2°C

The month with the highest average low temperature is October (27.8°C).
The coldest month (with the lowest average low temperature) is March (24.9°C).

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Average pressure in December
Cayon, Saint Kitts and Nevis

Average pressure in December - Cayon, Saint Kitts and Nevis
  • Average pressure in December: 1014.8mbar

The months with the highest atmospheric pressure are January and June (1016.2mbar).
The months with the lowest atmospheric pressure are October and November (1012.5mbar).

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Average wind speed in December
Cayon, Saint Kitts and Nevis

Average wind speed in December - Cayon, Saint Kitts and Nevis
  • Average wind speed in December: 24.6km/h

The windiest month (with the highest average wind speed) is July (26.3km/h).
The calmest month (with the lowest average wind speed) is October (19.6km/h).

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Average humidity in December
Cayon, Saint Kitts and Nevis

Average humidity in December - Cayon, Saint Kitts and Nevis
  • Average humidity in December: 75%

The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March and December (75%).

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Average rainfall in December
Cayon, Saint Kitts and Nevis

Average rainfall in December - Cayon, Saint Kitts and Nevis
  • Average rainfall in December: 27mm

The wettest month (with the highest rainfall) is October (51mm).
The driest month (with the least rainfall) is February (15mm).

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Average rainfall days in December
Cayon, Saint Kitts and Nevis

Average rainfall days in December - Cayon, Saint Kitts and Nevis
  • Average rainfall days in December: 16.9 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (12.6 days).

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Average daylight in December /
Average sunshine in December
Cayon, Saint Kitts and Nevis

Average daylight in December / Average sunshine in December - Cayon, Saint Kitts and Nevis
  • Average daylight in December: 11h and 1min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in December: 6h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in December
Cayon, Saint Kitts and Nevis

Average sunshine days in December - Cayon, Saint Kitts and Nevis
  • Average sunshine days in December: 8.6 days

The month with the most sunshine days is June (11.2 days).
The month with the least sunshine days is May (7.6 days).

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Average UV index in December
Cayon, Saint Kitts and Nevis

Average UV index in December - Cayon, Saint Kitts and Nevis
  • Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average cloud cover in December
Cayon, Saint Kitts and Nevis

Average cloud cover in December - Cayon, Saint Kitts and Nevis
  • Average cloud cover in December: 39

The months with the most cloud cover are May, June and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 32).

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Average visibility in December
Cayon, Saint Kitts and Nevis

Average visibility in December - Cayon, Saint Kitts and Nevis
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Cayon, Saint Kitts and Nevis

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