December weather forecastHoi, Tonga
December
Weather in December
The year reaches its end with characteristics of both the dry and wet seasons in Hoi, Tonga. December carries on the trend of increasing rainfall, ending the year with an average of 75mm (2.95") of rain. Even though the rain is more substantial, the amount of sunshine remains high. Steadiness of high temperatures, wind speed, and humidity remain consistent, resulting in no substantial deviation from the expected tropical climate. December concludes the weather cycle with reiteration of the pattern as a new year commences.Temperature
The weather during December records an average high-temperature of a still moderately hot 25.6°C (78.1°F), closely mirroring the preceding month. In Hoi, December's low temperatures hover around a still moderately hot 24.9°C (76.8°F), reflecting a minor decrease from the daytime highs.Humidity
In Hoi, Tonga, the average relative humidity in December is 78%.Rainfall
In Hoi, during December, the rain falls for 16.5 days and regularly aggregates up to 75mm (2.95") of precipitation. In Hoi, during the entire year, the rain falls for 193.9 days and collects up to 991mm (39.02") of precipitation.Daylight
With an average of 13h and 24min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:49 and sunset at 19:09. On the last day of December, sunrise is at 06:02 and sunset at 19:25 +13.
Sunshine
The average sunshine in December is 8.6h.UV index
The months with the lowest UV index in Hoi are April through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hoi, Tonga
- Average high temperature in December: 25.6°C
The warmest month (with the highest average high temperature) is February (27.5°C).
The month with the lowest average high temperature is September (22.9°C).
- Average low temperature in December: 24.9°C
The month with the highest average low temperature is February (26.7°C).
The coldest month (with the lowest average low temperature) is August (21.6°C).
Average pressure in December
Hoi, Tonga
- Average pressure in December: 1011mbar
The months with the highest atmospheric pressure are August and September (1016.2mbar).
The months with the lowest atmospheric pressure are January and February (1008.6mbar).
Average wind speed in December
Hoi, Tonga
- Average wind speed in December: 24.9km/h
The windiest month (with the highest average wind speed) is July (25.6km/h).
The calmest month (with the lowest average wind speed) is January (23.3km/h).
Average humidity in December
Hoi, Tonga
- Average humidity in December: 78%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in December
Hoi, Tonga
- Average rainfall in December: 75mm
The wettest month (with the highest rainfall) is February (163mm).
The driest month (with the least rainfall) is October (36mm).
Average rainfall days in December
Hoi, Tonga
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is February (22.7 days).
The month with the least rainy days is October (12.9 days).
Average daylight in December /
Average sunshine in December
Hoi, Tonga
- Average daylight in December: 13h and 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 8h and 36min
The month with the most sunshine is November (Average sunshine: 8h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 48min).
Average sunshine days in December
Hoi, Tonga
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is February (3.8 days).
Average UV index in December
Hoi, Tonga
- Average UV index in December: 6
The months with the highest UV index are January, February and March (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in December
Hoi, Tonga
- Average cloud cover in December: 49
The month with the most cloud cover is August (Cloud cover 51).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility in December
Hoi, Tonga
- 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).
