December weather forecastCowes, Australia
December
Weather in December
December, the first month of the summer in Cowes, is an agreeable month, with an average temperature ranging between min 13.8°C (56.8°F) and max 21.6°C (70.9°F).Temperature
The beginning of December reveals an average high-temperature of a pleasant 21.6°C (70.9°F), showing minimal deviation from the previous month. During the nights in December, Cowes experiences a consistent average temperature of 13.8°C (56.8°F).Humidity
The average relative humidity in December is 69%.Rainfall
In December, the rain falls for 12.6 days. Throughout December, 44mm (1.73") of precipitation is accumulated. Throughout the year, there are 177.5 rainfall days, and 562mm (22.13") of precipitation is accumulated.Sea temperature
In Cowes, in December, the average water temperature is 17°C (62.6°F).Note: Most people do not enjoy swimming in water of 17°C (62.6°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
With an average of 14h and 48min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 5:48 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:46 pm AEDT.
Sunshine
The month with the most sunshine is December, with an average of 9.7h of sunshine.UV index
December is the month with the highest UV index in Cowes, Australia, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 6 in December suggests the following recommendations:
Fend off overexposure. Sun protection is vital. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cowes, Australia
- Average high temperature in December: 21.6°C
The warmest months (with the highest average high temperature) are January and February (23.4°C).
The month with the lowest average high temperature is July (13°C).
- Average low temperature in December: 13.8°C
The month with the highest average low temperature is February (16.2°C).
The coldest months (with the lowest average low temperature) are July and August (8.6°C).
Average pressure in December
Cowes, Australia
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.6mbar).
Average wind speed in December
Cowes, Australia
- Average wind speed in December: 14km/h
The windiest months (with the highest average wind speed) are July and August (18.6km/h).
The calmest months (with the lowest average wind speed) are January, March and December (14km/h).
Average humidity in December
Cowes, Australia
- Average humidity in December: 69%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is January (68%).
Average rainfall in December
Cowes, Australia
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is May (59mm).
The driest month (with the least rainfall) is March (34mm).
Average rainfall days in December
Cowes, Australia
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is January (10.1 days).
Average sea temperature in December
Cowes, Australia
- Average sea temperature in December: 17°C
The best month for swimming (with the highest average sea temperature) is February (18.7°C).
The coldest month (with the lowest average sea temperature) is August (13.7°C).
Average daylight in December /
Average sunshine in December
Cowes, Australia
- Average daylight in December: 14h and 48min
The month with the longest days is December (Average daylight: 14h and 48min).
The month with the shortest days is June (Average daylight: 9h and 30min).
- Average sunshine in December: 9h and 42min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is May (Average sunshine: 6h and 24min).
Average sunshine days in December
Cowes, Australia
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is August (9.4 days).
Average UV index in December
Cowes, Australia
- Average UV index in December: 6
The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 3).
Average cloud cover in December
Cowes, Australia
- Average cloud cover in December: 35
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in December
Cowes, 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).
