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
Weather in December
Temperature
Port Olry notes an average high-temperature of a still moderately hot 28.2°C (82.8°F) in December, displaying minor variation from November. December nighttime temperatures in Port Olry hover close to the daytime peak with an average of 24.7°C (76.5°F).Heat index
The heat index in December is calculated to be a hot 33°C (91.4°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
The months with the lowest humidity are January, September, November and December, with an average relative humidity of 80%.Rainfall
In December, the rain falls for 23.2 days. Throughout December, 127mm (5") of precipitation is accumulated. Throughout the year, in Port Olry, Vanuatu, there are 235.3 rainfall days, and 1432mm (56.38") of precipitation is accumulated.Daylight
The month with the longest days in Port Olry is December, with an average of 13h and 0min of daylight.On the first day of December in Port Olry, 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
December has the most sunshine of the year, with an average of 10.1h of sunshine.UV index
February through April, November and December, with an average maximum UV index of 7, are months with the highest UV index in Port Olry. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 7 during December morphs into the following directions:
Shield from overexposure. Defense against sun-related harm is required. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Port Olry in December?
What is the least humid month in Port Olry?
What is the average humidity in December in Port Olry?
How many days does it rain in December in Port Olry?
When are the longest days in Port Olry?
What is the average length of the day in December in Port Olry?
What time are sunrise and sunset in December in Port Olry?
What month has the most sunshine in Port Olry?
How many hours of sunshine does Port Olry have in December?
What are the months with the highest UV index in Port Olry?
How high is the UV index in December in Port Olry?
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 1min
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).
Port Olry, Vanuatu
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