December weather forecastGlenelg, Australia
December
Weather in December
December, the first month of the summer in Glenelg, is a warm month, with temperature in the range of an average high of 23.8°C (74.8°F) and an average low of 16.8°C (62.2°F).Temperature
Glenelg's shift into December is marked by a subtle change to a warm 23.8°C (74.8°F) from November's 21.4°C (70.5°F) in temperature. During December, Glenelg consistently records a temperature low averaging a comfortable 16.8°C (62.2°F).Humidity
In Glenelg, the average relative humidity in December is 59%.Rainfall
In Glenelg, during December, the rain falls for 7 days and regularly aggregates up to 18mm (0.71") of precipitation. Throughout the year, in Glenelg, Australia, there are 107.3 rainfall days, and 277mm (10.91") of precipitation is accumulated.Sea temperature
In Glenelg, in December, the average water temperature is 19.8°C (67.6°F).Note: In 19.8°C (67.6°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).
Daylight
With an average of 14h and 30min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 5:55 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:33 pm ACDT.
Sunshine
The month with the most sunshine in Glenelg, Australia, is December, with an average of 10.1h of sunshine.UV index
The months with the highest UV index are January, February and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 6 transforms into these recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glenelg, Australia
- Average high temperature in December: 23.8°C
The warmest month (with the highest average high temperature) is January (25.9°C).
The month with the lowest average high temperature is July (14.2°C).
- Average low temperature in December: 16.8°C
The month with the highest average low temperature is January (18.3°C).
The coldest month (with the lowest average low temperature) is August (10°C).
Average pressure in December
Glenelg, Australia
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is June (1021.8mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).
Average wind speed in December
Glenelg, Australia
- Average wind speed in December: 15.4km/h
The windiest month (with the highest average wind speed) is August (17.5km/h).
The calmest month (with the lowest average wind speed) is April (13.9km/h).
Average humidity in December
Glenelg, Australia
- Average humidity in December: 59%
The month with the highest relative humidity is July (73%).
The month with the lowest relative humidity is January (58%).
Average rainfall in December
Glenelg, Australia
- Average rainfall in December: 18mm
The wettest month (with the highest rainfall) is August (35mm).
The driest months (with the least rainfall) are January, February and March (14mm).
Average rainfall days in December
Glenelg, Australia
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is February (4.8 days).
Average sea temperature in December
Glenelg, Australia
- Average sea temperature in December: 19.8°C
The best month for swimming (with the highest average sea temperature) is February (21.3°C).
The coldest month (with the lowest average sea temperature) is August (13.8°C).
Average daylight in December /
Average sunshine in December
Glenelg, Australia
- Average daylight in December: 14h and 30min
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 and 6min
The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is August (Average sunshine: 7h and 12min).
Average sunshine days in December
Glenelg, Australia
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is July (15.8 days).
Average UV index in December
Glenelg, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February 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
Glenelg, Australia
- Average cloud cover in December: 24
The months with the most cloud cover are May and July (Cloud cover 40).
The month with the least cloud cover is January (Cloud cover 19).
Average visibility in December
Glenelg, 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).
