December weather forecastBerkeley, Australia
December
Weather in December
The first month of the summer, December, is a moderately hot month in Berkeley, Australia, with an average temperature fluctuating between 17.5°C (63.5°F) and 24.1°C (75.4°F).Temperature
As December takes its course, Berkeley's average high-temperature registers at a moderately hot 24.1°C (75.4°F), closely aligning with the preceding month. Throughout the December nights, Berkeley encounters a low-temperature of 17.5°C (63.5°F).Humidity
The average relative humidity in December in Berkeley is 74%.Rainfall
In Berkeley, in December, during 15.5 rainfall days, 56mm (2.2") of precipitation is typically accumulated. In Berkeley, during the entire year, the rain falls for 169 days and collects up to 678mm (26.69") of precipitation.Sea temperature
In Berkeley, in December, the average water temperature is 21.4°C (70.5°F).Note: Swimming in water that is 21.4°C (70.5°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the longest days of the year in Berkeley, Australia, with an average of 14h and 24min of daylight.On the first day of the month, sunrise is at 5:37 am and sunset at 7:54 pm. On the last day of December, sunrise is at 5:46 am and sunset at 8:12 pm AEDT.
Sunshine
The average sunshine in December in Berkeley, Australia, is 9.7h.UV index
January and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 during December leads to these advisories:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Berkeley, Australia
- Average high temperature in December: 24.1°C
The warmest month (with the highest average high temperature) is January (25.7°C).
The month with the lowest average high temperature is July (15.7°C).
- Average low temperature in December: 17.5°C
The months with the highest average low temperature are January and February (19°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average pressure in December
Berkeley, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in December
Berkeley, Australia
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is August (16.2km/h).
The calmest month (with the lowest average wind speed) is April (13.9km/h).
Average humidity in December
Berkeley, Australia
- Average humidity in December: 74%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Berkeley, Australia
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is February (97mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in December
Berkeley, Australia
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (9.5 days).
Average sea temperature in December
Berkeley, Australia
- Average sea temperature in December: 21.4°C
The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.4°C).
Average daylight in December /
Average sunshine in December
Berkeley, Australia
- Average daylight in December: 14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 9h and 42min
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 54min).
Average sunshine days in December
Berkeley, Australia
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in December
Berkeley, Australia
- Average UV index in December: 6
The months with the highest UV index are January 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
Berkeley, Australia
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Berkeley, 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).
