The first month of the summer, December
, is also a moderately hot month in Port Vila
, with temperature in the range of an average low of 22°C (71.6°F) and an average high of 28°C (82.4°F).
In Port Vila, the average high-temperature is almost the same as in November
- a still warm 28°C (82.4°F). In December, in Port Vila, the average low-temperature is 22°C (71.6°F).
The average heat index in December is calculated to a hot 33.1°C (91.6°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.Note
: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like activity, differences in body mass, height, and shape, wind, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
In Port Vila, Vanuatu, the average relative humidity is 86%.
In December, in Port Vila, the rain falls for 10 days. Throughout December, 201mm (7.91") of precipitation is accumulated. Throughout the year, in Port Vila, Vanuatu, there are 112 rainfall days, and 2405mm (94.69") of precipitation is accumulated.
With an average of 13.2h of daylight, December has the longest days of the year.