December weather forecastLe Robert, Martinique
December
Weather in December
December marks the closing of the year in Le Robert, Martinique, with a sense of tranquillity. A noticeable decrease in rainfall to 47mm (1.85") brings a mild and serene vibe to the city. The shorter days and cooler sea temperature of 27.6°C (81.7°F) signal the brink of winter in this tropical paradise. The air pressure climbs back up, providing a crisp feel to the atmosphere. Finally, the wind speed stays strong between 24.5km/h (15.2mph) and 34.1km/h (21.2mph), creating a balmy environment for end-of-year festivities.Temperature
The dawn of December sees an average high-temperature of a still warm 27.5°C (81.5°F), subtly contrasting with November's 28.5°C (83.3°F). December's average low temperature in Le Robert is a still moderately hot 26.2°C (79.2°F), displaying a subtle drop from its daily peak.Heat index
During December, the heat index is evaluated at a tropical 30°C (86°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.Heat index determinations are made taking into account the shade and light air movements. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In December, the average relative humidity in Le Robert is 75%.Rainfall
In Le Robert, in December, during 20.8 rainfall days, 47mm (1.85") of precipitation is typically accumulated. In Le Robert, during the entire year, the rain falls for 252.3 days and collects up to 672mm (26.46") of precipitation.Sea temperature
In Le Robert, the average seawater temperature in December is 27.6°C (81.7°F).Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.
Daylight
The month with the shortest days in Le Robert is December, with an average of 11h and 18min of daylight.On the first day of December, sunrise is at 06:13 and sunset at 17:32. On the last day of the month, sunrise is at 06:28 and sunset at 17:45 AST.
Sunshine
With an average of 6.4h of sunshine, December has the least sunshine of the year in Le Robert.UV index
The months with the highest UV index in Le Robert, Martinique, 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 health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a regular UV index of 7 translates into these guidelines:
Deflect overexposure. Sun protection is a necessity. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take heed! Reflections of sand and water make the Sun's UV rays stronger.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Le Robert, Martinique
- Average high temperature in December: 27.5°C
The warmest month (with the highest average high temperature) is September (29.3°C).
The month with the lowest average high temperature is February (26.8°C).
- Average low temperature in December: 26.2°C
The months with the highest average low temperature are August and October (27.3°C).
The coldest month (with the lowest average low temperature) is March (24.8°C).
Average pressure in December
Le Robert, Martinique
- Average pressure in December: 1013.7mbar
The month with the highest atmospheric pressure is June (1015.3mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).
Average wind speed in December
Le Robert, Martinique
- Average wind speed in December: 24.5km/h
The windiest month (with the highest average wind speed) is January (26.2km/h).
The calmest month (with the lowest average wind speed) is September (18.6km/h).
Average humidity in December
Le Robert, Martinique
- Average humidity in December: 75%
The month with the highest relative humidity is November (77%).
The months with the lowest relative humidity are January, February and March (74%).
Average rainfall in December
Le Robert, Martinique
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is September (86mm).
The driest months (with the least rainfall) are February and March (25mm).
Average rainfall days in December
Le Robert, Martinique
- Average rainfall days in December: 20.8 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is March (17 days).
Average sea temperature in December
Le Robert, Martinique
- Average sea temperature in December: 27.6°C
The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).
Average daylight in December /
Average sunshine in December
Le Robert, Martinique
- Average daylight in December: 11h and 18min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in December: 6h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Le Robert, Martinique
- Average sunshine days in December: 3.1 days
The month with the most sunshine days is March (6.3 days).
The month with the least sunshine days is November (1.6 days).
Average UV index in December
Le Robert, Martinique
- 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).
Average cloud cover in December
Le Robert, Martinique
- Average cloud cover in December: 41
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 36).
Average visibility in December
Le Robert, Martinique
- 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).
