January weather forecast
Manuka, Tonga

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Weather in January

January weather in Manuka, Tonga shows a slight deviation compared to the typical climate during other months. A dominant characteristic is the continuous high relative humidity of 80%. As the first month of the year, January encounters high precipitation, a climatological aspect that underscores the wet season in Tonga. The region welcomes the New Year with moderate winds, an abundant cloud cover, and significant rainfall. Despite these conditions, daylight duration averages at about 13.2 hours allowing tourists and inhabitants to plan their day effectively.

Temperature

With the advent of January, Manuka's high-temperatures adjust to a still warm 26.8°C (80.2°F), closely aligning with the preceding month. A consistent nighttime average temperature of 25.9°C (78.6°F) is maintained during January.

Humidity

January is the most humid month, with an average relative humidity of 80%.

Rainfall

In Manuka, in January, during 22.3 rainfall days, 124mm (4.88") of precipitation is typically accumulated. In Manuka, Tonga, during the entire year, the rain falls for 193.9 days and collects up to 991mm (39.02") of precipitation.

Daylight

In Manuka, 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, sunrise is at 06:22 and sunset at 19:25 +13.

Sunshine

In Manuka, the average sunshine in January is 7h.

UV index

January through March, with an average maximum UV index of 7, are months with the highest UV index in Manuka. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 7 in January transforms into this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

What are January temperatures in Manuka?

The average high-temperature and low-temperature during January are 26.8°C (80.2°F) and 25.9°C (78.6°F) respectively.

What is the most humid month in Manuka?

The most humid month in Manuka, Tonga, is January, with an average relative humidity of 80%.

What is the average humidity in January in Manuka?

The average relative humidity in January is 80%.

How much does it rain in Manuka in January?

In January, the rain falls for 22.3 days. Throughout January, 124mm (4.88") of precipitation is accumulated.

What is the average length of the day in January in Manuka?

In Manuka, Tonga, the average day length in January is 13h and 14min.

When is the sunrise / sunset in January in Manuka?

In January, on the first day of the month, sunrise is at 06:02 and sunset at 19:25. On the last day of the month, in Manuka, Tonga, sunrise is at 06:22 and sunset at 19:25 +13.

How many hours of sunshine does Manuka have in January?

In Manuka, the average sunshine duration in January is 7h.

What is the month with the highest UV index in Manuka?

January through March, with an average maximum UV index of 7, are months with the highest UV index in Manuka.

What is the UV index reading in January in Manuka?

The average daily maximum UV index in January in Manuka, Tonga, is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.

Average temperature in January
Manuka, Tonga

Average temperature in January - Manuka, 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
Manuka, Tonga

Average pressure in January - Manuka, 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
Manuka, Tonga

Average wind speed in January - Manuka, 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
Manuka, Tonga

Average humidity in January - Manuka, 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
Manuka, Tonga

Average rainfall in January - Manuka, 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
Manuka, Tonga

Average rainfall days in January - Manuka, 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
Manuka, Tonga

Average daylight in January / Average sunshine in January - Manuka, Tonga
  • Average daylight in January: 13h and 1min

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
Manuka, Tonga

Average sunshine days in January - Manuka, 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
Manuka, Tonga

Average UV index in January - Manuka, 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
Manuka, Tonga

Average cloud cover in January - Manuka, 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
Manuka, Tonga

Average visibility in January - Manuka, 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).

Manuka, Tonga

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