December weather forecast
Grove Bush, New Zealand

December

Weather in December

The first month of the summer, December, is a comfortable month in Grove Bush, New Zealand, with an average temperature varying between 9°C (48.2°F) and 16.8°C (62.2°F).

Temperature

Grove Bush's average high-temperature marks a still refreshing 16.8°C (62.2°F) with the advent of December, closely mirroring that of the preceding month. An average low-temperature of 9°C (48.2°F) is expected during December.

Humidity

The months with the lowest humidity are January, October through December, with an average relative humidity of 79%.

Rainfall

In December, the rain falls for 17.7 days. Throughout December, 65mm (2.56") of precipitation is accumulated. Throughout the year, there are 219.7 rainfall days, and 744mm (29.29") of precipitation is accumulated.

Snowfall

January through April, June, July, October through December are months without snowfall in Grove Bush.

Daylight

The month with the longest days is December, with an average of 15h and 42min of daylight.
On the first day of the month, sunrise is at 5:50 am and sunset at 9:20 pm. On the last day of December, in Grove Bush, sunrise is at 5:57 am and sunset at 9:40 pm NZDT.

Sunshine

December has the most sunshine of the year, with an average of 9.7h of sunshine.

UV index

The months with the highest UV index are January through March and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, an average UV index of 4 transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. To guard against the harmful effects of the Sun, minimize exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

What are the temperatures in December?
December temperatures vary between a high-temperature of 16.8°C (62.2°F) and a low-temperature of 9°C (48.2°F).
What are the least humid months?
January, October through December, with an average relative humidity of 79%, are the least humid months.
What is the average humidity in December?
The average relative humidity in December is 79%.
How much does it rain in December?
In Grove Bush, in December, it is raining for 17.7 days, with typically 65mm (2.56") of accumulated precipitation.
When it does not snow?
In Grove Bush, snow does not fall in January through April, June, July, October through December.
When are the longest days in Grove Bush?
With an average of 15h and 42min of daylight, December has the longest days of the year in Grove Bush.
What is the average length of the day in December?
In December, the average day length is 15h and 43min.
When is the sunrise / sunset in December?
On the first day of December, sunrise is at 5:50 am and sunset at 9:20 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 9:40 pm NZDT.
What month has the most sunshine in Grove Bush?
The month with the most sunshine is December, with an average of 9.7h of sunshine.
How many hours of sunshine does Grove Bush have in December?
In Grove Bush, New Zealand, the average sunshine duration in December is 9.7h.
What are the months with the highest UV index?
January through March and December, with an average maximum UV index of 4, are months with the highest UV index.
What is the UV index reading in December?
The average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to 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 - Grove Bush, New Zealand
Average temperature in December
Grove Bush, New Zealand
  • Average high temperature in December: 16.8°C

The warmest month (with the highest average high temperature) is January (17.1°C).
The month with the lowest average high temperature is July (9.7°C).

  • Average low temperature in December: 9°C

The month with the highest average low temperature is January (10.3°C).
The coldest month (with the lowest average low temperature) is August (5.2°C).

Average pressure in December - Grove Bush, New Zealand
Average pressure in December
Grove Bush, New Zealand
  • Average pressure in December: 1010.6mbar

The month with the highest atmospheric pressure is March (1015.8mbar).
The month with the lowest atmospheric pressure is September (1009.2mbar).

Average wind speed in December - Grove Bush, New Zealand
Average wind speed in December
Grove Bush, New Zealand
  • Average wind speed in December: 16km/h

The windiest month (with the highest average wind speed) is October (19.1km/h).
The calmest month (with the lowest average wind speed) is March (15km/h).

Average humidity in December - Grove Bush, New Zealand
Average humidity in December
Grove Bush, New Zealand
  • Average humidity in December: 79%

The month with the highest relative humidity is May (83%).
The months with the lowest relative humidity are January, October, November and December (79%).

Average rainfall in December - Grove Bush, New Zealand
Average rainfall in December
Grove Bush, New Zealand
  • Average rainfall in December: 65mm

The wettest months (with the highest rainfall) are January and November (76mm).
The driest month (with the least rainfall) is August (46mm).

Average rainfall days in December - Grove Bush, New Zealand
Average rainfall days in December
Grove Bush, New Zealand
  • Average rainfall days in December: 17.7 days

The month with the highest number of rainy days is October (21.5 days).
The month with the least rainy days is February (15.7 days).

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

The month with the highest snowfall is August (13mm).
The months with the least snowfall are January, February, March, April, June, July, October, November and December (0mm).

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

The months with the highest number of snowfall days are August and September (0.3 days).
The months with the least snowfall days are January, February, March, April, June, October, November and December (0 days).

Average daylight in December / Average sunshine in December - Grove Bush, New Zealand
Average daylight in December /
Average sunshine in December
Grove Bush, New Zealand
  • Average daylight in December: 15h and 4min

The month with the longest days is December (Average daylight: 15h and 42min).
The month with the shortest days is June (Average daylight: 8h and 42min).

  • Average sunshine in December: 9h and 4min

The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 4h and 30min).

Average sunshine days in December - Grove Bush, New Zealand
Average sunshine days in December
Grove Bush, New Zealand
  • Average sunshine days in December: 9.9 days

The month with the most sunshine days is June (11.6 days).
The month with the least sunshine days is October (7.1 days).

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

The months with the highest UV index are January, February, March and December (UV index 4).
The month with the lowest UV index is June (UV index 2).

Average cloud cover in December - Grove Bush, New Zealand
Average cloud cover in December
Grove Bush, New Zealand
  • Average cloud cover in December: 50

The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 49).

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

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

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