December weather forecast
North Side, Cayman Islands

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Weather in December

December in North Side, Cayman Islands moves firmly into the dry season, characterized by lower temperature, reduced rainfall, and increased wind speed. This month indicates a full circle from the beginning of the year, mirroring January's weather closely. Despite the return of stronger winds at 36.4km/h (22.6mph), the stable weather conditions mark December as one of the more enjoyable periods on the island.

Temperature

As November transitions into December, North Side records an average high-temperature of a still moderately hot 27.2°C (81°F), showing a gentle shift from the preceding month. North Side's December nights demonstrate minimal variation from the daytime temperatures, with an average of 26.1°C (79°F).

Heat index

During December, the heat index is calculated to be a tropical 30°C (86°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Records show heat index calculations are tailored for shaded regions and mild winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

In North Side, the average relative humidity in December is 76%.

Rainfall

In North Side, in December, it is raining for 20.6 days, with typically 57mm (2.24") of accumulated precipitation. Throughout the year, there are 241.1 rainfall days, and 854mm (33.62") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in North Side is 27.9°C (82.2°F).
Note: For activities such as swimming and diving, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.

Daylight

With an average of 11h and 0min of daylight, December has the shortest days of the year in North Side.
On the first day of December, sunrise is at 06:42 and sunset at 17:45. On the last day of the month, sunrise is at 06:58 and sunset at 17:57 EST.

Sunshine

With an average of 6h of sunshine, December has the least sunshine of the year.

UV index

The months with the highest UV index in North Side are February through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 7 in December translates into these instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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Frequently asked questions

What are December temperatures in North Side?

In December, the average high-temperature and low-temperature are 27.2°C (81°F) and 26.1°C (79°F) respectively. In December, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 30°C (86°F).

What is the average humidity in December in North Side?

In December, the average relative humidity in North Side, Cayman Islands, is 76%.

How much does it rain in North Side in December?

In North Side, Cayman Islands, in December, during 20.6 rainfall days, 57mm (2.24") of precipitation is typically accumulated.

What is the sea water temperature in December in North Side?

In North Side, Cayman Islands, the average seawater temperature in December is 27.9°C (82.2°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 North Side?

December has the shortest days of the year in North Side, with an average of 11h and 0min of daylight.

How many hours of daylight does North Side have in December?

The average day length in December in North Side, Cayman Islands, is 10h and 59min.

When is the sunrise / sunset in December in North Side?

In December, on the first day of the month, sunrise is at 06:42 and sunset at 17:45. On the last day of the month, in North Side, sunrise is at 06:58 and sunset at 17:57 EST.

What is the month with the least sunshine in North Side?

The month with the least sunshine in North Side, Cayman Islands, is December, with an average of 6h of sunshine.

How many hours of sunshine does North Side have in December?

The average sunshine duration in December is 6h.

When is the highest UV index in North Side?

The months with the highest UV index in North Side are February through December, with an average maximum UV index of 7.

What is the UV index intensity in December in North Side?

In December, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in December
North Side, Cayman Islands

Average temperature in December - North Side, Cayman Islands
  • Average high temperature in December: 27.2°C

The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is February (26.2°C).

  • Average low temperature in December: 26.1°C

The month with the highest average low temperature is August (28.6°C).
The coldest month (with the lowest average low temperature) is March (24.9°C).

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Average pressure in December
North Side, Cayman Islands

Average pressure in December - North Side, Cayman Islands
  • Average pressure in December: 1015.2mbar

The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is October (1011.7mbar).

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Average wind speed in December
North Side, Cayman Islands

Average wind speed in December - North Side, Cayman Islands
  • Average wind speed in December: 26.4km/h

The windiest month (with the highest average wind speed) is December (26.4km/h).
The calmest month (with the lowest average wind speed) is September (17.2km/h).

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Average humidity in December
North Side, Cayman Islands

Average humidity in December - North Side, Cayman Islands
  • Average humidity in December: 76%

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is September (74%).

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Average rainfall in December
North Side, Cayman Islands

Average rainfall in December - North Side, Cayman Islands
  • Average rainfall in December: 57mm

The wettest month (with the highest rainfall) is October (159mm).
The driest month (with the least rainfall) is March (24mm).

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Average rainfall days in December
North Side, Cayman Islands

Average rainfall days in December - North Side, Cayman Islands
  • Average rainfall days in December: 20.6 days

The month with the highest number of rainy days is October (26.5 days).
The month with the least rainy days is March (16 days).

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Average sea temperature in December
North Side, Cayman Islands

Average sea temperature in December - North Side, Cayman Islands
  • Average sea temperature in December: 27.9°C

The best months for swimming (with the highest average sea temperature) are August and September (29.9°C).
The coldest months (with the lowest average sea temperature) are January and February (26.6°C).

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Average daylight in December /
Average sunshine in December
North Side, Cayman Islands

Average daylight in December / Average sunshine in December - North Side, Cayman Islands
  • Average daylight in December: 11h and 0min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in December: 6h and 0min

The months with the most sunshine are May and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in December
North Side, Cayman Islands

Average sunshine days in December - North Side, Cayman Islands
  • Average sunshine days in December: 4.3 days

The month with the most sunshine days is March (9.3 days).
The month with the least sunshine days is November (2.5 days).

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Average UV index in December
North Side, Cayman Islands

Average UV index in December - North Side, Cayman Islands
  • Average UV index in December: 7

The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).

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Average cloud cover in December
North Side, Cayman Islands

Average cloud cover in December - North Side, Cayman Islands
  • Average cloud cover in December: 39

The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is April (Cloud cover 28).

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Average visibility in December
North Side, Cayman Islands

Average visibility in December - North Side, Cayman Islands
  • 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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North Side, Cayman Islands

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