January weather forecast
Nukuhetulu, Tonga

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Weather in January

The inaugural month of the year in Nukuhetulu, Tonga commences with modestly warm temperatures paired with noticeable humidity. This humidity contributes to cloudy conditions, imposing a visible veil over the sun for most of the day. Echoing this trend, rainfall approaches the higher end, registering 124mm (4.88"). Distinguishing itself from other windy locales, wind gusts in January average 33.1km/h (20.6mph), providing a cooling contrast to the tropical weather. This month's local weather characteristics set the tone for the typical tropical conditions that behold Nukuhetulu for much of the year.

Temperature

Transitioning into January, Nukuhetulu records an average high-temperature of a still moderately hot 26.8°C (80.2°F), almost identical to December's 25.6°C (78.1°F). Nukuhetulu, in January, registers an average low temperature of 25.9°C (78.6°F), showing a minute reduction from daily highs.

Humidity

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

Rainfall

In Nukuhetulu, 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 January, the average length of the day is 13h and 14min.
On the first day of the month, sunrise is at 06:02 and sunset at 19:26. On the last day of January, in Nukuhetulu, 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 reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 7 in January transforms into this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What is the usual temperature for Nukuhetulu in January?

An average high-temperature, in January, in Nukuhetulu, is 26.8°C (80.2°F) and the average low-temperature is 25.9°C (78.6°F).

What is the most humid month in Nukuhetulu?

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

What is the average humidity in January in Nukuhetulu?

The average relative humidity in January in Nukuhetulu, Tonga, is 80%.

How many days does it rain in January in Nukuhetulu?

In Nukuhetulu, in January, it is raining for 22.3 days, with typically 124mm (4.88") of accumulated precipitation.

How many hours of daylight does Nukuhetulu have in January?

The average day length in January is 13h and 14min.

What time are sunrise and sunset in January in Nukuhetulu?

In January, on the first day of the month, sunrise is at 06:02 and sunset at 19:26. On the last day of the month, sunrise is at 06:22 and sunset at 19:25 +13.

How many hours of sunshine does Nukuhetulu have in January?

The average sunshine duration in January in Nukuhetulu is 7h.

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

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

What is the UV index reading in January in Nukuhetulu?

In January, the average daily maximum UV index in Nukuhetulu, Tonga, is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in January
Nukuhetulu, Tonga

Average temperature in January - Nukuhetulu, 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
Nukuhetulu, Tonga

Average pressure in January - Nukuhetulu, 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
Nukuhetulu, Tonga

Average wind speed in January - Nukuhetulu, 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
Nukuhetulu, Tonga

Average humidity in January - Nukuhetulu, 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
Nukuhetulu, Tonga

Average rainfall in January - Nukuhetulu, 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
Nukuhetulu, Tonga

Average rainfall days in January - Nukuhetulu, 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
Nukuhetulu, Tonga

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

Average sunshine days in January - Nukuhetulu, 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
Nukuhetulu, Tonga

Average UV index in January - Nukuhetulu, 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
Nukuhetulu, Tonga

Average cloud cover in January - Nukuhetulu, 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
Nukuhetulu, Tonga

Average visibility in January - Nukuhetulu, 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).

Nukuhetulu, Tonga

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