January weather forecast
Matahau, Tonga

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Weather in January

January in Matahau, Tonga often presents humidity averaging around 80%, creating a moist start to the year. The moistness gets intensified by rainfall occurring over 22.3 average days of the month. The new year welcomes Matahau's residents with plenty of cloud cover, a sign of the rainy season. Coupled with constant wind speeds, typically around 23.3km/h (14.5mph), January accommodates the transmission of weather systems through the area. Despite these characteristics, the UV index remains at 7--moderate levels worth noting for those spending time outside.

Temperature

Matahau's transition from December to January introduces an average high-temperature of a still warm 26.8°C (80.2°F), marking an insignificant variation from the 25.6°C (78.1°F). January introduces a small decrease to a nighttime average of 25.9°C (78.6°F) in Matahau.

Humidity

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

Rainfall

In Matahau, Tonga, in January, it is raining for 22.3 days, with typically 124mm (4.88") of accumulated precipitation. Throughout the year, there are 193.9 rainfall days, and 991mm (39.02") of precipitation is accumulated.

Daylight

In Matahau, the average length of the day in January is 13h and 14min.
On the first day of January, sunrise is at 06:03 and sunset at 19:26. On the last day of the month, sunrise is at 06:23 and sunset at 19:26 +13.

Sunshine

The average sunshine in January in Matahau, Tonga, is 7h.

UV index

January through March, with an average maximum UV index of 7, are months with the highest UV index in Matahau. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, a daily UV index of 7 turns into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Feb 5, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the average January temperature in Matahau?

January temperatures vary between a high-temperature of 26.8°C (80.2°F) and a low-temperature of 25.9°C (78.6°F).

What is the most humid month in Matahau?

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

What is the average humidity in January in Matahau?

The average relative humidity in January in Matahau is 80%.

How many days does it rain in January in Matahau?

In Matahau, Tonga, in January, during 22.3 rainfall days, 124mm (4.88") of precipitation is typically accumulated.

How many hours of daylight does Matahau have in January?

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

What time are sunrise and sunset in January in Matahau?

On the first day of January in Matahau, sunrise is at 06:03 and sunset at 19:26. On the last day of the month, sunrise is at 06:23 and sunset at 19:26 +13.

How many hours of sunshine does Matahau have in January?

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

What are the months with the highest UV index in Matahau?

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

What is the UV index reading in January in Matahau?

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

Average temperature in January
Matahau, Tonga

Average temperature in January - Matahau, 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
Matahau, Tonga

Average pressure in January - Matahau, 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
Matahau, Tonga

Average wind speed in January - Matahau, 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
Matahau, Tonga

Average humidity in January - Matahau, 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
Matahau, Tonga

Average rainfall in January - Matahau, 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
Matahau, Tonga

Average rainfall days in January - Matahau, 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
Matahau, Tonga

Average daylight in January / Average sunshine in January - Matahau, 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
Matahau, Tonga

Average sunshine days in January - Matahau, 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
Matahau, Tonga

Average UV index in January - Matahau, 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
Matahau, Tonga

Average cloud cover in January - Matahau, 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
Matahau, Tonga

Average visibility in January - Matahau, 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).

Matahau, Tonga

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