December weather forecastPort Olry, Vanuatu
December
Weather in December
December brings in moderate weather conditions in Port Olry. This month sees a rise in the average high temperature, peaking at 28.2°C (82.8°F). As the year draws to a close, the weather patterns transition back to those experienced in January. An increase in rainfall accompanies the rising temperatures. The arrival of Christmas coincides with longer sunny days, perfect for enjoying beach-side festivities and marking a sunny ending to the year.Temperature
December's advent notes a subtle adjustment in average high-temperature to a still warm 28.2°C (82.8°F) from November. Throughout December, Port Olry's nights experience a slight temperature dip to a still warm 24.7°C (76.5°F).Heat index
December's average heat index is calculated to be a hot 33°C (91.4°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The months with the lowest humidity are January, September, November and December, with an average relative humidity of 80%.Rainfall
In Port Olry, in December, during 23.2 rainfall days, 127mm (5") of precipitation is typically accumulated. Throughout the year, there are 235.3 rainfall days, and 1432mm (56.38") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 13h and 0min of daylight.On the first day of December, sunrise is at 05:12 and sunset at 18:09. On the last day of the month, sunrise is at 05:24 and sunset at 18:24 +11.
Sunshine
With an average of 10.1h of sunshine, December has the most sunshine of the year in Port Olry.UV index
The months with the highest UV index are February through April, November and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 7 suggests these recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Port Olry, Vanuatu
- Average high temperature in December: 28.2°C
The warmest month (with the highest average high temperature) is March (28.9°C).
The month with the lowest average high temperature is July (25.9°C).
- Average low temperature in December: 24.7°C
The months with the highest average low temperature are February and March (25.2°C).
The coldest month (with the lowest average low temperature) is August (22.3°C).
Average pressure in December
Port Olry, Vanuatu
- Average pressure in December: 1008.1mbar
The month with the highest atmospheric pressure is August (1013.1mbar).
The month with the lowest atmospheric pressure is February (1006.3mbar).
Average wind speed in December
Port Olry, Vanuatu
- Average wind speed in December: 10.6km/h
The windiest month (with the highest average wind speed) is July (15.9km/h).
The calmest month (with the lowest average wind speed) is January (10.4km/h).
Average humidity in December
Port Olry, Vanuatu
- Average humidity in December: 80%
The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are January, September, November and December (80%).
Average rainfall in December
Port Olry, Vanuatu
- Average rainfall in December: 127mm
The wettest month (with the highest rainfall) is February (213mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in December
Port Olry, Vanuatu
- Average rainfall days in December: 23.2 days
The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (13.7 days).
Average daylight in December /
Average sunshine in December
Port Olry, Vanuatu
- Average daylight in December: 13h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in December: 10h and 6min
The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is July (Average sunshine: 5h and 36min).
Average sunshine days in December
Port Olry, Vanuatu
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is August (12.4 days).
The month with the least sunshine days is March (3.6 days).
Average UV index in December
Port Olry, Vanuatu
- Average UV index in December: 7
The months with the highest UV index are February, March, April, November and December (UV index 7).
The months with the lowest UV index are January, May, June, July, August, September and October (UV index 6).
Average cloud cover in December
Port Olry, Vanuatu
- Average cloud cover in December: 40
The months with the most cloud cover are June, July and October (Cloud cover 45).
The month with the least cloud cover is December (Cloud cover 40).
Average visibility in December
Port Olry, Vanuatu
- Average visibility in December: 10km
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and March (9km).
