January weather forecastFalehau, Tonga
January
Weather in January
The sweltering heat and high humidity paint a vivid picture of Falehau in January, with the city getting its fair share of abundant sunshine coupled with limited cloud soakage. A surge in rainfall to 290mm (11.42"), the highest of the year, signals bouts of thunderstorms amidst the tropical weather. This tropical climate, native to Falehau, seems to mellow down in February. Sweeping gusty winds can also be expected, keeping the breeze in perpetual motion. In spite of this, the city retains a charm that is unrivaled, welcoming visitors with its tropical mood.Temperature
Falehau starts January with an average high-temperature of a still warm 28.6°C (83.5°F), a minor shift from December's 28.1°C (82.6°F). The nights of January are characterized by an average low-temperature of 27.8°C (82°F), subtly descending from daytime highs.Heat index
Throughout January, the heat index is estimated at a hot 33°C (91.4°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In January, the average relative humidity in Falehau is 77%.Rainfall
The month with the most rainfall is January, when the rain falls for 25 days and typically aggregates up to 290mm (11.42") of precipitation.Daylight
The average length of the day in January is 12h and 57min.On the first day of January, sunrise is at 06:06 and sunset at 19:10. On the last day of the month, sunrise is at 06:24 and sunset at 19:12 +13.
Sunshine
The average sunshine in January in Falehau is 7.5h.UV index
The months with the highest UV index in Falehau are January through May, July through September, November and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 7 transforms into these recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Falehau, Tonga
- Average high temperature in January: 28.6°C
The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is September (26.6°C).
- Average low temperature in January: 27.8°C
The months with the highest average low temperature are January and February (27.8°C).
The coldest month (with the lowest average low temperature) is August (25.3°C).
Average pressure in January
Falehau, Tonga
- Average pressure in January: 1007.5mbar
The month with the highest atmospheric pressure is September (1013.4mbar).
The month with the lowest atmospheric pressure is January (1007.5mbar).
Average wind speed in January
Falehau, Tonga
- Average wind speed in January: 20.7km/h
The windiest month (with the highest average wind speed) is June (27.7km/h).
The calmest month (with the lowest average wind speed) is March (17.9km/h).
Average humidity in January
Falehau, Tonga
- Average humidity in January: 77%
The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is March (76%).
Average rainfall in January
Falehau, Tonga
- Average rainfall in January: 290mm
The wettest month (with the highest rainfall) is January (290mm).
The driest month (with the least rainfall) is September (41mm).
Average rainfall days in January
Falehau, Tonga
- Average rainfall days in January: 25 days
The month with the highest number of rainy days is December (25.9 days).
The month with the least rainy days is September (15.2 days).
Average daylight in January /
Average sunshine in January
Falehau, Tonga
- Average daylight in January: 12h and 54min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in January: 7h and 30min
The month with the most sunshine is November (Average sunshine: 8h and 48min).
The month with the least sunshine is August (Average sunshine: 6h and 36min).
Average sunshine days in January
Falehau, Tonga
- Average sunshine days in January: 4.9 days
The month with the most sunshine days is September (11.5 days).
The month with the least sunshine days is February (1.8 days).
Average UV index in January
Falehau, Tonga
- Average UV index in January: 7
The months with the highest UV index are January, February, March, April, May, July, August, September, November and December (UV index 7).
The months with the lowest UV index are June and October (UV index 6).
Average cloud cover in January
Falehau, Tonga
- Average cloud cover in January: 47
The month with the most cloud cover is August (Cloud cover 55).
The month with the least cloud cover is March (Cloud cover 44).
Average visibility in January
Falehau, Tonga
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





