December weather forecastNorth Side, Cayman Islands
December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
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).
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).
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).
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).
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).
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).
