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
At the start of December, Happy Valley's average high-temperature reaches a still agreeable 22.9°C (73.2°F), subtly different from the preceding month. During December, Happy Valley sees a mean low-temperature of 16°C (60.8°F).Humidity
In December, the average relative humidity in Happy Valley is 62%.Rainfall
In Happy Valley, during December, the rain falls for 10.3 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, there are 138.9 rainfall days, and 363mm (14.29") of precipitation is accumulated.Daylight
The month with the longest days in Happy Valley is December, with an average of 14h and 30min of daylight.On the first day of the month, sunrise is at 5:54 am and sunset at 8:14 pm. On the last day of December, in Happy Valley, Australia, sunrise is at 6:04 am and sunset at 8:33 pm ACDT.
Sunshine
With an average of 10h of sunshine, December has the most sunshine of the year.UV index
January and December, with an average maximum UV index of 6, are months with the highest UV index in Happy Valley, Australia. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: During December, 6 as the daily maximum UV index converts into the following advice:
Ward off overexposure. Defence against solar harm is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the usual temperature for Happy Valley in December?
What is the average humidity in December in Happy Valley?
How many days does it rain in December in Happy Valley?
When are the longest days in Happy Valley?
What is the average length of the day in December in Happy Valley?
When is the sunrise / sunset in December in Happy Valley?
What month has the most sunshine in Happy Valley?
How many hours of sunshine does Happy Valley have in December?
What is the month with the highest UV index in Happy Valley?
How high is the UV index in December in Happy Valley?
Average temperature in December
Happy Valley, Australia
- Average high temperature in December: 22.9°C
The warmest month (with the highest average high temperature) is January (24.9°C).
The month with the lowest average high temperature is July (14°C).
- Average low temperature in December: 16°C
The month with the highest average low temperature is February (17.7°C).
The coldest month (with the lowest average low temperature) is August (9.9°C).
Average pressure in December
Happy Valley, Australia
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is June (1021.7mbar).
The month with the lowest atmospheric pressure is January (1012.5mbar).
Average wind speed in December
Happy Valley, Australia
- Average wind speed in December: 15.2km/h
The windiest month (with the highest average wind speed) is August (17.7km/h).
The calmest month (with the lowest average wind speed) is April (13.8km/h).
Average humidity in December
Happy Valley, Australia
- Average humidity in December: 62%
The months with the highest relative humidity are June and July (73%).
The month with the lowest relative humidity is January (61%).
Average rainfall in December
Happy Valley, Australia
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is August (47mm).
The driest month (with the least rainfall) is January (17mm).
Average rainfall days in December
Happy Valley, Australia
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (6.3 days).
Average daylight in December /
Average sunshine in December
Happy Valley, Australia
- Average daylight in December: 14h and 3min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).
- Average sunshine in December: 10h
The month with the most sunshine is December (Average sunshine: 10h).
The months with the least sunshine are May, July and August (Average sunshine: 7h).
Average sunshine days in December
Happy Valley, Australia
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in December
Happy Valley, Australia
- Average UV index in December: 6
The months with the highest UV index are January and December (UV index 6).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in December
Happy Valley, Australia
- Average cloud cover in December: 26
The months with the most cloud cover are May and July (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 20).
Average visibility in December
Happy Valley, Australia
- 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).
Happy Valley, Australia
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