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 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
December
Weather in December
Temperature
In December, the average high-temperature registers at a still moderately hot 27.4°C (81.3°F), nearly identical to November's 26.3°C (79.3°F). Port Havannah's nights throughout December are marked by an average low temperature of 26.6°C (79.9°F), a minor drop from the day's high.Heat index
December's heat index is evaluated at a tropical 30°C (86°F). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The months with the highest humidity are February through April, June, October through December, with an average relative humidity of 78%.Rainfall
In Port Havannah, in December, during 20.5 rainfall days, 90mm (3.54") of precipitation is typically accumulated. Throughout the year, in Port Havannah, there are 231.1 rainfall days, and 1033mm (40.67") of precipitation is accumulated.Daylight
The month with the longest days in Port Havannah, Vanuatu, is December, with an average of 13h and 12min of daylight.On the first day of the month, sunrise is at 05:02 and sunset at 18:09. On the last day of December, sunrise is at 05:14 and sunset at 18:24 +11.
Sunshine
In Port Havannah, the average sunshine in December is 9.3h.UV index
January through April, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 7 during December translates into the following directions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When are the longest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Port Havannah have in December?
When is the highest UV index?
What is the UV index reading in December?
Average temperature in December
Port Havannah, Vanuatu
- Average high temperature in December: 27.4°C
The warmest month (with the highest average high temperature) is February (28.6°C).
The month with the lowest average high temperature is August (24.6°C).
- Average low temperature in December: 26.6°C
The month with the highest average low temperature is February (27.6°C).
The coldest month (with the lowest average low temperature) is August (23.5°C).
Average pressure in December
Port Havannah, Vanuatu
- Average pressure in December: 1009.1mbar
The month with the highest atmospheric pressure is August (1014.6mbar).
The month with the lowest atmospheric pressure is February (1006.7mbar).
Average wind speed in December
Port Havannah, Vanuatu
- Average wind speed in December: 23.1km/h
The windiest month (with the highest average wind speed) is July (27.1km/h).
The calmest month (with the lowest average wind speed) is January (20.4km/h).
Average humidity in December
Port Havannah, Vanuatu
- Average humidity in December: 78%
The months with the highest relative humidity are February, March, April, June, October, November and December (78%).
The months with the lowest relative humidity are January, May, July, August and September (77%).
Average rainfall in December
Port Havannah, Vanuatu
- Average rainfall in December: 90mm
The wettest month (with the highest rainfall) is April (184mm).
The driest month (with the least rainfall) is July (34mm).
Average rainfall days in December
Port Havannah, Vanuatu
- Average rainfall days in December: 20.5 days
The month with the highest number of rainy days is March (25.9 days).
The month with the least rainy days is September (13.8 days).
Average daylight in December /
Average sunshine in December
Port Havannah, Vanuatu
- Average daylight in December: 13h and 1min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in December: 9h and 2min
The month with the most sunshine is February (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 4h and 54min).
Average sunshine days in December
Port Havannah, Vanuatu
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is October (9.8 days).
The month with the least sunshine days is March (2.3 days).
Average UV index in December
Port Havannah, Vanuatu
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, November and December (UV index 7).
The months with the lowest UV index are May, June, July, August, September and October (UV index 6).
Average cloud cover in December
Port Havannah, Vanuatu
- Average cloud cover in December: 46
The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is February (Cloud cover 43).
Average visibility in December
Port Havannah, Vanuatu
- 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).
