December weather forecast
Manuka, Tonga

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Weather in December

December marks the end of the year with rising rainfall levels that reach 75mm (2.95"), as weather dynamics shift back towards the wet season. Manuka, Tonga is enveloped in a mixed bag of climatic elements, from warmer temperatures and longer days to strengthening winds. High humidity and increased rainfall are offset by the benefit of the most sunshine hours per day, a heartening prospect for those relishing outdoor activities. Thus, despite the increased rainfall, the more extended daylight hours and higher sunshine duration make the climate agreeable, closing the year on a high note.

Temperature

The advent of December presents an average high-temperature of a still moderately hot 25.6°C (78.1°F), maintaining a close correlation with the preceding month. Manuka logs an average low-temperature of 24.9°C (76.8°F) during the nights of December, subtly lower than its daytime highs.

Humidity

The average relative humidity in December in Manuka is 78%.

Rainfall

In December, in Manuka, the rain falls for 16.5 days. Throughout December, 75mm (2.95") of precipitation is accumulated. Throughout the year, in Manuka, there are 193.9 rainfall days, and 991mm (39.02") of precipitation is accumulated.

Daylight

With an average of 13h and 24min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:49 and sunset at 19:09. On the last day of the month, sunrise is at 06:02 and sunset at 19:25 +13.

Sunshine

The average sunshine in December is 8.6h.

UV index

April through December, with an average maximum UV index of 6, are months with the lowest UV index in Manuka. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 6 in December transforms into this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What are December temperatures in Manuka?

The high-temperature, in December, in Manuka, records 25.6°C (78.1°F), while the low-temperature is 24.9°C (76.8°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in March is evaluated at 30°C (86°F).

What is the average humidity in December in Manuka?

The average relative humidity in December in Manuka is 78%.

How many days does it rain in December in Manuka?

In December, in Manuka, Tonga, the rain falls for 16.5 days. Throughout December, 75mm (2.95") of precipitation is accumulated.

When are the longest days in Manuka?

The month with the longest days in Manuka, Tonga, is December, with an average of 13h and 24min of daylight.

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

In Manuka, the average day length in December is 13h and 24min.

When are sunrise and sunset in December in Manuka?

In December, on the first day of the month, sunrise is at 05:49 and sunset at 19:09. On the last day of the month, sunrise is at 06:02 and sunset at 19:25 +13.

How long on average sun shines in December in Manuka?

In December, the average sunshine duration is 8.6h.

What are the months with the lowest UV index in Manuka?

April through December, with an average maximum UV index of 6, are months with the lowest UV index in Manuka, Tonga.

What is the UV index reading in December in Manuka?

In Manuka, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in December
Manuka, Tonga

Average temperature in December - Manuka, Tonga
  • Average high temperature in December: 25.6°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 December: 24.9°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 December
Manuka, Tonga

Average pressure in December - Manuka, Tonga
  • Average pressure in December: 1011mbar

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 December
Manuka, Tonga

Average wind speed in December - Manuka, Tonga
  • Average wind speed in December: 24.9km/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 December
Manuka, Tonga

Average humidity in December - Manuka, Tonga
  • Average humidity in December: 78%

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 December
Manuka, Tonga

Average rainfall in December - Manuka, Tonga
  • Average rainfall in December: 75mm

The wettest month (with the highest rainfall) is February (163mm).
The driest month (with the least rainfall) is October (36mm).

Average rainfall days in December
Manuka, Tonga

Average rainfall days in December - Manuka, Tonga
  • Average rainfall days in December: 16.5 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 December /
Average sunshine in December
Manuka, Tonga

Average daylight in December / Average sunshine in December - Manuka, Tonga
  • Average daylight in December: 13h and 2min

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 December: 8h and 4min

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 December
Manuka, Tonga

Average sunshine days in December - Manuka, Tonga
  • Average sunshine days in December: 9.5 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 December
Manuka, Tonga

Average UV index in December - Manuka, Tonga
  • Average UV index in December: 6

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 December
Manuka, Tonga

Average cloud cover in December - Manuka, Tonga
  • Average cloud cover in December: 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 December
Manuka, Tonga

Average visibility in December - Manuka, Tonga
  • Average visibility in December: 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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