December weather forecast
Hihifo, Tonga

December concludes the weather cycle in Hihifo, with the rains climbing up to 216mm (8.5") over 25.9 days, nearing January's downpour. Remarkably, the sunshine duration dips but contributes to longer daylight, resulting in contrasting weather dynamics. The wind speed remains steady, ushering in the holiday season with a gentle nudge. Coupled with the consistent tropical temperatures, Hihifo, in December, is the archetypical winter getaway, complete with tropical charm and pacific allure.

Temperature

The onset of December manifests an average high-temperature of a still moderately hot 28.1°C (82.6°F), demonstrating a minor variation from the preceding month. Nighttime temperatures in Hihifo hover around an average low of 27.1°C (80.8°F) in December, a slight descent from daytime highs.

Heat index

In December, the heat index is estimated at a tropical 32°C (89.6°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The average relative humidity in December is 77%.

Rainfall

In Hihifo, during December, the rain falls for 25.9 days and regularly aggregates up to 216mm (8.5") of precipitation. Throughout the year, there are 249.1 rainfall days, and 1578mm (62.13") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 13h and 6min of daylight.
On the first day of the month, sunrise is at 05:54 and sunset at 18:54. On the last day of December, sunrise is at 06:06 and sunset at 19:10 +13.

Sunshine

In December, the average sunshine in Hihifo is 8.2h.

UV index

January through May, July through September, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During December, 7 as the daily maximum UV index converts into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.