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
December
Weather in December
Temperature
As December unfolds, the average high-temperature reaches a still warm 25.9°C (78.6°F), hinting at a slight fluctuation from the previous month. Throughout December, Koolewong records an average temperature of 18.1°C (64.6°F) at night.Humidity
The average relative humidity in December in Koolewong is 73%.Rainfall
In Koolewong, Australia, in December, it is raining for 13.6 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, there are 156.9 rainfall days, and 628mm (24.72") of precipitation is accumulated.Daylight
The month with the longest days is December, with an average of 14h and 18min of daylight.On the first day of December in Koolewong, sunrise is at 5:37 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:07 pm AEDT.
Sunshine
In December, the average sunshine in Koolewong is 9.7h.UV index
January, February, October through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, an average UV index of 6 transforms into the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Koolewong in December?
What is the average humidity in December in Koolewong?
How much does it rain in Koolewong in December?
When are the longest days in Koolewong?
What is the average length of the day in December in Koolewong?
What time are sunrise and sunset in December in Koolewong?
How long on average sun shines in December in Koolewong?
When is the highest UV index in Koolewong?
How high is the UV index in December in Koolewong?
Average temperature in December
Koolewong, Australia
- Average high temperature in December: 25.9°C
The warmest month (with the highest average high temperature) is January (27°C).
The month with the lowest average high temperature is July (16.5°C).
- Average low temperature in December: 18.1°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in December
Koolewong, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in December
Koolewong, Australia
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in December
Koolewong, Australia
- Average humidity in December: 73%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Koolewong, Australia
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is February (100mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in December
Koolewong, Australia
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is March (16.5 days).
The month with the least rainy days is August (9.2 days).
Average daylight in December /
Average sunshine in December
Koolewong, Australia
- Average daylight in December: 14h and 2min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in December: 9h and 4min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in December
Koolewong, Australia
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in December
Koolewong, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in December
Koolewong, Australia
- Average cloud cover in December: 36
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Koolewong, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
