December weather forecast
Mahana, New Zealand

December

Weather in December

The first month of the summer, December, is still a refreshing month in Mahana, New Zealand, with an average temperature varying between 18.9°C (66°F) and 10.4°C (50.7°F).

Temperature

In December, Mahana's weather conditions record an average high-temperature of a still comfortable 18.9°C (66°F), demonstrating little divergence from the preceding month. Mahana's December nights cool down to an average low-temperature of 10.4°C (50.7°F).

Humidity

In Mahana, New Zealand, the average relative humidity in December is 77%.

Rainfall

The month with the most rainfall is December, when the rain falls for 14.5 days and typically aggregates up to 68mm (2.68") of precipitation.

Snowfall

In Mahana, snow does not fall in January through June, August through December.

Daylight

With an average of 15h and 6min of daylight, December has the longest days of the year in Mahana.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:44 pm. On the last day of December, sunrise is at 5:57 am and sunset at 9:03 pm NZDT.

Sunshine

December has the most sunshine of the year, with an average of 10.2h of sunshine.

UV index

In Mahana, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, a daily UV index of 4 turns into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What is the average December temperature in Mahana?
During December, Mahana experiences an average high-temperature of 18.9°C (66°F) and a low-temperature of 10.4°C (50.7°F).
What is the average humidity in December in Mahana?
In December, the average relative humidity in Mahana is 77%.
What is the rainiest month in Mahana?
The month with the most rainfall is December, when the rain falls for 14.5 days and typically aggregates up to 68mm (2.68") of precipitation.
How many days does it rain in December in Mahana?
In Mahana, in December, it is raining for 14.5 days, with typically 68mm (2.68") of accumulated precipitation.
When it does not snow in Mahana?
In Mahana, New Zealand, snow does not fall in January through June, August through December.
When are the longest days in Mahana?
With an average of 15h and 6min of daylight, December has the longest days of the year in Mahana.
What is the average length of the day in December in Mahana?
In Mahana, New Zealand, the average day length in December is 15h and 5min.
What time are sunrise and sunset in December in Mahana?
In December, on the first day of the month, sunrise is at 5:49 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 9:03 pm NZDT.
What month has the most sunshine in Mahana?
December has the most sunshine of the year in Mahana, New Zealand, with an average of 10.2h of sunshine.
How long on average sun shines in December in Mahana?
The average sunshine duration in December in Mahana, New Zealand, is 10.2h.
How high is the UV index in December in Mahana?
In December, the average daily maximum UV index in Mahana is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Mahana, New Zealand
Average temperature in December
Mahana, New Zealand
  • Average high temperature in December: 18.9°C

The warmest month (with the highest average high temperature) is January (20.7°C).
The month with the lowest average high temperature is July (10.1°C).

  • Average low temperature in December: 10.4°C

The month with the highest average low temperature is January (11.6°C).
The coldest month (with the lowest average low temperature) is July (3.8°C).

Average pressure in December - Mahana, New Zealand
Average pressure in December
Mahana, New Zealand
  • Average pressure in December: 1013.4mbar

The month with the highest atmospheric pressure is March (1017.8mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).

Average wind speed in December - Mahana, New Zealand
Average wind speed in December
Mahana, New Zealand
  • Average wind speed in December: 10.3km/h

The windiest month (with the highest average wind speed) is November (11.2km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

Average humidity in December - Mahana, New Zealand
Average humidity in December
Mahana, New Zealand
  • Average humidity in December: 77%

The months with the highest relative humidity are June and August (82%).
The month with the lowest relative humidity is January (75%).

Average rainfall in December - Mahana, New Zealand
Average rainfall in December
Mahana, New Zealand
  • Average rainfall in December: 68mm

The wettest month (with the highest rainfall) is December (68mm).
The driest month (with the least rainfall) is February (31mm).

Average rainfall days in December - Mahana, New Zealand
Average rainfall days in December
Mahana, New Zealand
  • Average rainfall days in December: 14.5 days

The months with the highest number of rainy days are October and December (14.5 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in December - Mahana, New Zealand
Average snowfall in December
Mahana, New Zealand
  • Average snowfall in December: 0mm

The month with the highest snowfall is July (2mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).

Average snowfall days in December - Mahana, New Zealand
Average snowfall days in December
Mahana, New Zealand
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).

Average daylight in December / Average sunshine in December - Mahana, New Zealand
Average daylight in December /
Average sunshine in December
Mahana, New Zealand
  • Average daylight in December: 15h and 1min

The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 12min).

  • Average sunshine in December: 10h and 1min

The month with the most sunshine is December (Average sunshine: 10h and 12min).
The months with the least sunshine are June and August (Average sunshine: 7h and 30min).

Average sunshine days in December - Mahana, New Zealand
Average sunshine days in December
Mahana, New Zealand
  • Average sunshine days in December: 13.2 days

The months with the most sunshine days are February and March (17.8 days).
The month with the least sunshine days is December (13.2 days).

Average UV index in December - Mahana, New Zealand
Average UV index in December
Mahana, New Zealand
  • Average UV index in December: 4

The month with the highest UV index is January (UV index 5).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 3).

Average cloud cover in December - Mahana, New Zealand
Average cloud cover in December
Mahana, New Zealand
  • Average cloud cover in December: 35

The months with the most cloud cover are June and August (Cloud cover 36).
The month with the least cloud cover is February (Cloud cover 27).

Average visibility in December - Mahana, New Zealand
Average visibility in December
Mahana, New Zealand
  • Average visibility in December: 9km

The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).

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