November comes with a definitive return to the warmer, more humid conditions in
Nuku'alofa. The temperature reflects this change with a significant leap to 27.6°C (81.7°F). It simultaneously welcomes the rainier season, receiving a substantial amount compared to the preceding month. Daylight and sunshine hours start to shrink slightly, yet remain extensive for enjoyable outdoor time. The rising sea temperatures aid in providing a soothing warmth for swimmers and divers alike.
Temperature
The onset of November in Nuku'alofa manifests an average high-temperature of a still moderately hot 27.6°C (81.7°F), demonstrating a minor variation from the preceding month. In November, Nuku'alofa records an average nighttime temperature of 21.1°C (70°F).
Heat index
Throughout November, the heat index is calculated to be a tropical 30°C (86°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
November is the least humid month, with an average relative humidity of 73%.
Rainfall
In Nuku'alofa,
Tonga, in November, during 12 rainfall days, 123mm (4.84") of precipitation is typically accumulated. Throughout the year, there are 180 rainfall days, and 1721mm (67.76") of precipitation is accumulated.
Sea temperature
In November, the average sea temperature is 25.4°C (77.7°F).
Note: With water temperature from 25°C (77°F) to 29°C (84.2°F), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.
Daylight
In November, the average length of the day in Nuku'alofa is 13h and 8min.
On the first day of November in Nuku'alofa, sunrise is at 05:57 and sunset at 18:51. On the last day of the month, sunrise is at 05:50 and sunset at 19:09 +13.
Sunshine
The average sunshine in November is 6h.
UV index
The months with the highest UV index are
January through
March, November and
December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 12 during November translates into the following directions:
Implement all key precautions. Warding off sun damage is critical. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Despite the cloudy weather, sunscreen with a sun protection factor of at least 30 should be liberally applied and reapplied, including after a swim or outdoor activity. Notice! The reflection of water and sand increases the UV radiation significantly.