Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The start of December sees the average high-temperature at a still refreshing 19.1°C (66.4°F), showing little difference from November's 16.8°C (62.2°F). An average minimum temperature of 13.7°C (56.7°F) marks the month of December.Humidity
The months with the highest humidity in Eltham are May through October and December, with an average relative humidity of 80%.Rainfall
In Eltham, New Zealand, in December, it is raining for 14.9 days, with typically 68mm (2.68") of accumulated precipitation. Throughout the year, there are 184.4 rainfall days, and 878mm (34.57") of precipitation is accumulated.Daylight
December has the longest days of the year in Eltham, with an average of 14h and 54min of daylight.On the first day of December, sunrise is at 5:49 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:52 pm NZDT.
Sunshine
With an average of 8.5h of sunshine, December has the most sunshine of the year.UV index
January through March and December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 5 in December suggests the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the usual temperature for Eltham in December?
What are the most humid months in Eltham?
What is the average humidity in December in Eltham?
How many days does it rain in December in Eltham?
When are the longest days in Eltham?
What is the average length of the day in December in Eltham?
When are sunrise and sunset in December in Eltham?
What month has the most sunshine in Eltham?
How many hours of sunshine does Eltham have in December?
What is the month with the highest UV index in Eltham?
What is the UV index intensity in December in Eltham?
Average temperature in December
Eltham, New Zealand
- Average high temperature in December: 19.1°C
The warmest month (with the highest average high temperature) is February (21.3°C).
The month with the lowest average high temperature is July (12.6°C).
- Average low temperature in December: 13.7°C
The month with the highest average low temperature is February (15.6°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).
Average pressure in December
Eltham, New Zealand
- Average pressure in December: 1014.7mbar
The month with the highest atmospheric pressure is March (1018.2mbar).
The month with the lowest atmospheric pressure is September (1013.7mbar).
Average wind speed in December
Eltham, New Zealand
- Average wind speed in December: 16.3km/h
The windiest month (with the highest average wind speed) is September (19.9km/h).
The calmest month (with the lowest average wind speed) is February (14.7km/h).
Average humidity in December
Eltham, New Zealand
- Average humidity in December: 80%
The months with the highest relative humidity are May, June, July, August, September, October and December (80%).
The months with the lowest relative humidity are January, March and November (78%).
Average rainfall in December
Eltham, New Zealand
- Average rainfall in December: 68mm
The wettest month (with the highest rainfall) is July (103mm).
The driest month (with the least rainfall) is February (38mm).
Average rainfall days in December
Eltham, New Zealand
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is September (19 days).
The month with the least rainy days is February (10.7 days).
Average daylight in December /
Average sunshine in December
Eltham, New Zealand
- Average daylight in December: 14h and 5min
The month with the longest days is December (Average daylight: 14h and 54min).
The month with the shortest days is June (Average daylight: 9h and 24min).
- Average sunshine in December: 8h and 3min
The month with the most sunshine is December (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).
Average sunshine days in December
Eltham, New Zealand
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is January (15.7 days).
The month with the least sunshine days is September (8.2 days).
Average UV index in December
Eltham, New Zealand
- Average UV index in December: 5
The months with the highest UV index are January, February, March and December (UV index 5).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in December
Eltham, New Zealand
- Average cloud cover in December: 43
The month with the most cloud cover is June (Cloud cover 51).
The months with the least cloud cover are January and February (Cloud cover 37).
Average visibility in December
Eltham, New Zealand
- 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).
Eltham, New Zealand
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