December weather forecast
Denniston, New Zealand

December

Weather in December

The first month of the summer, December, is a comfortable month in Denniston, New Zealand, with an average temperature varying between 16.8°C (62.2°F) and 12.1°C (53.8°F).

Temperature

Denniston measures an average high-temperature of an enjoyable 16.8°C (62.2°F) in December, nearly consistent with the preceding month. During December, Denniston perceives a slight decrease in temperature from daytime highs, settling at an average low of 12.1°C (53.8°F).

Humidity

With an average relative humidity of 82%, December is the most humid month in Denniston.

Rainfall

In December, in Denniston, New Zealand, the rain falls for 18.8 days. Throughout December, 149mm (5.87") of precipitation is accumulated. In Denniston, New Zealand, during the entire year, the rain falls for 222.4 days and collects up to 1480mm (58.27") of precipitation.

Snowfall

January through June, August through December are months without snowfall.

Daylight

December has the longest days of the year, with an average of 15h and 6min of daylight.
On the first day of December, sunrise is at 5:52 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 9:10 pm NZDT.

Sunshine

The month with the most sunshine is December, with an average of 8.8h of sunshine.

UV index

In Denniston, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 4 in December interprets into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What is the usual temperature for Denniston in December?
An average high-temperature, in December, in Denniston, is 16.8°C (62.2°F) and the average low-temperature is 12.1°C (53.8°F).
What is the most humid month in Denniston?
With an average relative humidity of 82%, December is the most humid month in Denniston.
What is the average humidity in December in Denniston?
The average relative humidity in December in Denniston is 82%.
How much does it rain in Denniston in December?
In Denniston, in December, during 18.8 rainfall days, 149mm (5.87") of precipitation is typically accumulated.
When it does not snow in Denniston?
In Denniston, snow does not fall in January through June, August through December.
When are the longest days in Denniston?
December has the longest days of the year in Denniston, with an average of 15h and 6min of daylight.
What is the average length of the day in December in Denniston?
In Denniston, the average day length in December is 15h and 9min.
What time are sunrise and sunset in December in Denniston?
In December, on the first day of the month, sunrise is at 5:52 am and sunset at 8:50 pm. On the last day of the month, in Denniston, sunrise is at 6:01 am and sunset at 9:10 pm NZDT.
What month has the most sunshine in Denniston?
With an average of 8.8h of sunshine, December has the most sunshine of the year in Denniston.
How long on average sun shines in December in Denniston?
The average sunshine duration in December in Denniston, New Zealand, is 8.8h.
What is the UV index reading in December in Denniston?
In Denniston, the average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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 - Denniston, New Zealand
Average temperature in December
Denniston, New Zealand
  • Average high temperature in December: 16.8°C

The warmest month (with the highest average high temperature) is February (18.5°C).
The month with the lowest average high temperature is July (10.7°C).

  • Average low temperature in December: 12.1°C

The months with the highest average low temperature are January and February (13.3°C).
The coldest month (with the lowest average low temperature) is July (7.2°C).

Average pressure in December - Denniston, New Zealand
Average pressure in December
Denniston, New Zealand
  • Average pressure in December: 1013.5mbar

The month with the highest atmospheric pressure is March (1017.9mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).

Average wind speed in December - Denniston, New Zealand
Average wind speed in December
Denniston, New Zealand
  • Average wind speed in December: 13.8km/h

The windiest month (with the highest average wind speed) is October (15.6km/h).
The calmest month (with the lowest average wind speed) is March (12km/h).

Average humidity in December - Denniston, New Zealand
Average humidity in December
Denniston, New Zealand
  • Average humidity in December: 82%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is July (79%).

Average rainfall in December - Denniston, New Zealand
Average rainfall in December
Denniston, New Zealand
  • Average rainfall in December: 149mm

The wettest month (with the highest rainfall) is October (153mm).
The driest month (with the least rainfall) is February (69mm).

Average rainfall days in December - Denniston, New Zealand
Average rainfall days in December
Denniston, New Zealand
  • Average rainfall days in December: 18.8 days

The month with the highest number of rainy days is October (22.2 days).
The month with the least rainy days is February (14.2 days).

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

The month with the highest snowfall is July (1mm).
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 - Denniston, New Zealand
Average snowfall days in December
Denniston, 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 - Denniston, New Zealand
Average daylight in December /
Average sunshine in December
Denniston, 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: 8h and 5min

The month with the most sunshine is December (Average sunshine: 8h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 30min).

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

The month with the most sunshine days is March (13 days).
The month with the least sunshine days is October (7.1 days).

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

The months with the highest UV index are January and February (UV index 5).
The months with the lowest UV index are May, June, July and August (UV index 3).

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

The month with the most cloud cover is October (Cloud cover 55).
The month with the least cloud cover is February (Cloud cover 43).

Average visibility in December - Denniston, New Zealand
Average visibility in December
Denniston, 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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