December weather forecastHamilton, Bermuda
December
Weather in December
December, the last month of the year, marks the onset of winter in Hamilton. Accompanied by the lowest average sea temperatures dropping to 22.1°C (71.8°F), the outdoor activities are limited. Rainfall drops to 54mm (2.13"), the lowest for the year, with decreased daylight hours and a low UV index. In addition, with increased wind speeds and pressure, this month debuts crisp and cooler weather which invites wind-based activities enthusiastically.Temperature
Hamilton notes an average high-temperature of a still pleasant 20.7°C (69.3°F) in December, displaying minor variation from November. Nighttime temperatures during December report a consistent average of 19.1°C (66.4°F).Humidity
The months with the lowest humidity are January, November and December, with an average relative humidity of 74%.Rainfall
In December, the rain falls for 15.8 days. Throughout December, 54mm (2.13") of precipitation is accumulated. In Hamilton, during the entire year, the rain falls for 201.7 days and collects up to 804mm (31.65") of precipitation.Sea temperature
In Hamilton, in December, the average water temperature is 22.1°C (71.8°F).Note: For someone not comfortable with cold, swimming in 22.1°C (71.8°F) waters might be a stretch. However, with favorable conditions like abundant sunshine, mild wind, and warm air temperatures, the experience can be improved. And while wetsuits are not a must, they can be considered.
Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:02 and sunset at 17:13. On the last day of December, sunrise is at 07:20 and sunset at 17:24 AST.
Sunshine
The average sunshine in December in Hamilton is 5.2h.UV index
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in December translates into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hamilton, Bermuda
- Average high temperature in December: 20.7°C
The warmest month (with the highest average high temperature) is August (27.9°C).
The month with the lowest average high temperature is March (18.9°C).
- Average low temperature in December: 19.1°C
The month with the highest average low temperature is August (26.8°C).
The coldest month (with the lowest average low temperature) is March (16.9°C).
Average pressure in December
Hamilton, Bermuda
- Average pressure in December: 1019.6mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is October (1016.6mbar).
Average wind speed in December
Hamilton, Bermuda
- Average wind speed in December: 27.4km/h
The windiest month (with the highest average wind speed) is February (29.4km/h).
The calmest month (with the lowest average wind speed) is August (17.2km/h).
Average humidity in December
Hamilton, Bermuda
- Average humidity in December: 74%
The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are January, November and December (74%).
Average rainfall in December
Hamilton, Bermuda
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is August (93mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in December
Hamilton, Bermuda
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is May (11.9 days).
Average sea temperature in December
Hamilton, Bermuda
- Average sea temperature in December: 22.1°C
The best months for swimming (with the highest average sea temperature) are August and September (27.8°C).
The coldest month (with the lowest average sea temperature) is March (19.2°C).
Average daylight in December /
Average sunshine in December
Hamilton, Bermuda
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 12min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Hamilton, Bermuda
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in December
Hamilton, Bermuda
- Average UV index in December: 5
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 5).
Average cloud cover in December
Hamilton, Bermuda
- Average cloud cover in December: 50
The months with the most cloud cover are January and February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Hamilton, Bermuda
- 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).
