December weather forecastMorphett Vale, Australia
December
Weather in December
The first month of the summer, December, is also an agreeable month in Morphett Vale, Australia, with an average temperature ranging between min 16°C (60.8°F) and max 22.9°C (73.2°F).Temperature
The commencement of December introduces an average high-temperature of a still pleasant 22.9°C (73.2°F), closely mirroring the preceding month. Morphett Vale experiences a mean temperature of 16°C (60.8°F) during December nights.Humidity
In December, the average relative humidity is 62%.Rainfall
In Morphett Vale, during December, the rain falls for 10.3 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, in Morphett Vale, there are 138.9 rainfall days, and 363mm (14.29") of precipitation is accumulated.Daylight
With an average of 14h and 30min of daylight, December has the longest days of the year in Morphett Vale.On the first day of December in Morphett Vale, Australia, sunrise is at 5:54 am and sunset at 8:15 pm. On the last day of the month, 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 in Morphett Vale.UV index
The months with the highest UV index in Morphett Vale are January and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during December translates into the following guidance:
Deter overexposure. Protecting against the sun's effects is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Morphett Vale, 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
Morphett Vale, 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
Morphett Vale, 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
Morphett Vale, 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
Morphett Vale, 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
Morphett Vale, 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
Morphett Vale, 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
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
Morphett Vale, 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
Morphett Vale, 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
Morphett Vale, 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
Morphett Vale, 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).





