January weather forecastHoi, Tonga
January
Weather in January
The start of the year brings warm temperatures and high humidity to Hoi, Tonga. January is recognized for its high precipitation with an average monthly rainfall of 124mm (4.88") over 22.3 days. Frequent showers can be expected with overcast skies and stiff winds. Notwithstanding the rainfall, daylight hours still reach double figures which indicates that some sunshine can penetrate the clouds. With humidity at its peak, the evenings can feel warm and sticky.Temperature
January's presence in Hoi, Tonga, records an average high-temperature of a still warm 26.8°C (80.2°F), closely mirroring December's climate. During the nights of January, the average low-temperature holds at a still warm 25.9°C (78.6°F).Humidity
The most humid month is January, with an average relative humidity of 80%.Rainfall
In Hoi, in January, during 22.3 rainfall days, 124mm (4.88") of precipitation is typically accumulated. In Hoi, during the entire year, the rain falls for 193.9 days and collects up to 991mm (39.02") of precipitation.Daylight
In Hoi, the average length of the day in January is 13h and 14min.On the first day of the month, sunrise is at 06:02 and sunset at 19:25. On the last day of January, in Hoi, sunrise is at 06:22 and sunset at 19:25 +13.
Sunshine
In January, the average sunshine is 7h.UV index
January through March, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 7 in January translates into this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Hoi, Tonga
- Average high temperature in January: 26.8°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 January: 25.9°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 January
Hoi, Tonga
- Average pressure in January: 1008.6mbar
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 January
Hoi, Tonga
- Average wind speed in January: 23.3km/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 January
Hoi, Tonga
- Average humidity in January: 80%
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 January
Hoi, Tonga
- Average rainfall in January: 124mm
The wettest month (with the highest rainfall) is February (163mm).
The driest month (with the least rainfall) is October (36mm).
Average rainfall days in January
Hoi, Tonga
- Average rainfall days in January: 22.3 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 January /
Average sunshine in January
Hoi, Tonga
- Average daylight in January: 13h and 12min
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 January: 7h and 0min
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 January
Hoi, Tonga
- Average sunshine days in January: 4.8 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 January
Hoi, Tonga
- Average UV index in January: 7
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 January
Hoi, Tonga
- Average cloud cover in January: 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 January
Hoi, Tonga
- Average visibility in January: 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).
