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 snowfall in December
- Average snowfall 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
December
Weather in December
Temperature
The transition from November to December brings a subtle temperature rise, with average high-temperatures increasing from a cool 12.5°C (54.5°F) to a moderate 15.6°C (60.1°F). In December, the average low-temperature in Garston records at a wintry 5.5°C (41.9°F) during the nights.Humidity
The months with the lowest humidity in Garston are January and December, with an average relative humidity of 76%.Rainfall
December is the month with the most rainfall. Rain falls for 18.3 days and accumulates 71mm (2.8") of precipitation.Snowfall
In Garston, New Zealand, snow does not fall in January, February and December.Daylight
With an average of 15h and 36min of daylight, December has the longest days of the year in Garston, New Zealand.On the first day of the month, sunrise is at 5:52 am and sunset at 9:16 pm. On the last day of December, in Garston, sunrise is at 5:59 am and sunset at 9:36 pm NZDT.
Sunshine
With an average of 11h of sunshine, December has the most sunshine of the year.UV index
January and December, with an average maximum UV index of 4, are months with the highest UV index in Garston. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in December, converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Garston in December?
What is the least humid month in Garston?
What is the average humidity in December in Garston?
What is the rainiest month in Garston?
How many days does it rain in December in Garston?
When it does not snow in Garston?
Does it snow in Garston in December?
When are the longest days in Garston?
What is the average length of the day in December in Garston?
When is the sunrise / sunset in December in Garston?
What month has the most sunshine in Garston?
How long on average sun shines in December in Garston?
What are the months with the highest UV index in Garston?
How high is the UV index in December in Garston?
Average temperature in December
Garston, New Zealand
- Average high temperature in December: 15.6°C
The warmest month (with the highest average high temperature) is February (17°C).
The month with the lowest average high temperature is July (3.7°C).
- Average low temperature in December: 5.5°C
The month with the highest average low temperature is January (6.4°C).
The coldest month (with the lowest average low temperature) is July (-2.4°C).
Average pressure in December
Garston, New Zealand
- Average pressure in December: 1011.5mbar
The month with the highest atmospheric pressure is March (1016.7mbar).
The month with the lowest atmospheric pressure is September (1010.6mbar).
Average wind speed in December
Garston, New Zealand
- Average wind speed in December: 9.9km/h
The windiest month (with the highest average wind speed) is January (11km/h).
The calmest months (with the lowest average wind speed) are June and August (8.4km/h).
Average humidity in December
Garston, New Zealand
- Average humidity in December: 76%
The month with the highest relative humidity is July (90%).
The months with the lowest relative humidity are January and December (76%).
Average rainfall in December
Garston, New Zealand
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is June (29mm).
Average rainfall days in December
Garston, New Zealand
- Average rainfall days in December: 18.3 days
The month with the highest number of rainy days is November (18.6 days).
The month with the least rainy days is June (10.9 days).
Average snowfall in December
Garston, New Zealand
- Average snowfall in December: 0mm
The month with the highest snowfall is July (51mm).
The months with the least snowfall are January, February and December (0mm).
Average snowfall days in December
Garston, New Zealand
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is July (3.8 days).
The months with the least snowfall days are January and February (0 days).
Average daylight in December /
Average sunshine in December
Garston, New Zealand
- Average daylight in December: 15h and 4min
The month with the longest days is December (Average daylight: 15h and 36min).
The month with the shortest days is June (Average daylight: 8h and 48min).
- Average sunshine in December: 11h and 0min
The month with the most sunshine is December (Average sunshine: 11h and 0min).
The month with the least sunshine is July (Average sunshine: 4h and 54min).
Average sunshine days in December
Garston, New Zealand
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is June (16.3 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in December
Garston, New Zealand
- Average UV index in December: 4
The months with the highest UV index are January and December (UV index 4).
The months with the lowest UV index are May and July (UV index 1).
Average cloud cover in December
Garston, New Zealand
- Average cloud cover in December: 44
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is March (Cloud cover 42).
Average visibility in December
Garston, New Zealand
- Average visibility in December: 9km
The months with the highest visibility are January and December (9km).
The months with the lowest visibility are June, July and August (7km).
