Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The beginning of December records an average high-temperature of a still warm 25.2°C (77.4°F), marking a negligible difference from November's 26.5°C (79.7°F). A steady low-temperature average of 23.9°C (75°F) is logged in Port Nelson during December, reflecting a modest dip from daytime readings.Humidity
In December, the average relative humidity in Port Nelson is 76%.Rainfall
In December, the rain falls for 17.9 days. Throughout December, 40mm (1.57") of precipitation is accumulated. Throughout the year, in Port Nelson, there are 214.6 rainfall days, and 747mm (29.41") of precipitation is accumulated.Sea temperature
In Port Nelson, The Bahamas, the average seawater temperature in December is 26.5°C (79.7°F).Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.
Daylight
December has the shortest days of the year, with an average of 10h and 42min of daylight.On the first day of the month, sunrise is at 06:25 and sunset at 17:12. On the last day of December, sunrise is at 06:41 and sunset at 17:23 EST.
Sunshine
In Port Nelson, the average sunshine in December is 6.2h.UV index
January through April, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Port Nelson, The Bahamas. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 6 in December interprets into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Watch out! Reflections from sand and water can surge UV radiation exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Port Nelson?
What is the average humidity in December in Port Nelson?
How much does it rain in Port Nelson in December?
What is the water temperature in December in Port Nelson?
What is the month with the shortest days in Port Nelson?
How many hours of daylight does Port Nelson have in December?
What time are sunrise and sunset in December in Port Nelson?
How many hours of sunshine does Port Nelson have in December?
What are the months with the lowest UV index in Port Nelson?
How high is the UV index in December in Port Nelson?
Average temperature in December
Port Nelson, The Bahamas
- Average high temperature in December: 25.2°C
The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is March (23.8°C).
- Average low temperature in December: 23.9°C
The months with the highest average low temperature are August and September (27.8°C).
The coldest month (with the lowest average low temperature) is March (22.6°C).
Average pressure in December
Port Nelson, The Bahamas
- Average pressure in December: 1017.9mbar
The month with the highest atmospheric pressure is January (1018.8mbar).
The month with the lowest atmospheric pressure is October (1013.3mbar).
Average wind speed in December
Port Nelson, The Bahamas
- Average wind speed in December: 25.6km/h
The windiest month (with the highest average wind speed) is December (25.6km/h).
The calmest month (with the lowest average wind speed) is June (19.4km/h).
Average humidity in December
Port Nelson, The Bahamas
- Average humidity in December: 76%
The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in December
Port Nelson, The Bahamas
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is October (129mm).
The driest months (with the least rainfall) are February and March (26mm).
Average rainfall days in December
Port Nelson, The Bahamas
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is October (23.4 days).
The month with the least rainy days is February (13.8 days).
Average sea temperature in December
Port Nelson, The Bahamas
- Average sea temperature in December: 26.5°C
The best month for swimming (with the highest average sea temperature) is August (29.4°C).
The coldest months (with the lowest average sea temperature) are February and March (24.7°C).
Average daylight in December /
Average sunshine in December
Port Nelson, The Bahamas
- Average daylight in December: 10h and 4min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is April (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Port Nelson, The Bahamas
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is March (11.3 days).
The month with the least sunshine days is September (5.1 days).
Average UV index in December
Port Nelson, The Bahamas
- Average UV index in December: 6
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 6).
Average cloud cover in December
Port Nelson, The Bahamas
- Average cloud cover in December: 40
The months with the most cloud cover are January and October (Cloud cover 41).
The month with the least cloud cover is April (Cloud cover 35).
Average visibility in December
Port Nelson, The Bahamas
- 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).
Port Nelson, The Bahamas
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