December weather forecastFremantle, Australia

December

Weather in December

December, the first month of the summer in Fremantle, is still a warm month, with temperature in the range of an average high of 25.7°C (78.3°F) and an average low of 17.9°C (64.2°F).

Temperature

The introduction of December sees an average high-temperature of a still moderately hot 25.7°C (78.3°F), hardly deviating from November. Fremantle reports an average low-temperature of 17.9°C (64.2°F) during the nights of December.

Humidity

January, February and December, with an average relative humidity of 59%, are the least humid months.

Rainfall

In Fremantle, Australia, during December, the rain falls for 5.2 days and regularly aggregates up to 12mm (0.47") of precipitation. Throughout the year, there are 114 rainfall days, and 404mm (15.91") of precipitation is accumulated.

Daylight

With an average of 14h and 12min of daylight, December has the longest days of the year in Fremantle, Australia.
On the first day of the month, sunrise is at 5:03 am and sunset at 7:08 pm. On the last day of December, sunrise is at 5:13 am and sunset at 7:26 pm AWST.

Sunshine

January and December, with an average of 11.6h of sunshine, are months with the most sunshine in Fremantle.

UV index

The months with the highest UV index in Fremantle are January through March and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 6 suggests these recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Fremantle, is 25.7°C (78.3°F) and the average low-temperature is 17.9°C (64.2°F). In February, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 29°C (84.2°F).

The months with the lowest humidity in Fremantle are January, February and December, with an average relative humidity of 59%.

In December, the average relative humidity is 59%.

In Fremantle, Australia, in December, during 5.2 rainfall days, 12mm (0.47") of precipitation is typically accumulated.

With an average of 14h and 12min of daylight, December has the longest days of the year in Fremantle.

In December, the average day length is 14h and 13min.

In December, on the first day of the month, sunrise is at 5:03 am and sunset at 7:08 pm. On the last day of the month, in Fremantle, sunrise is at 5:13 am and sunset at 7:26 pm AWST.

The months with the most sunshine in Fremantle are January and December, with an average of 11.6h of sunshine.

In Fremantle, Australia, the average sunshine duration in December is 11.6h.

January through March and December, with an average maximum UV index of 6, are months with the highest UV index.

In December, the average daily maximum UV index in Fremantle is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

23.5°C

25.7°C

27.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

20.4km/h

21km/h

21.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

21.2

24.2

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Fremantle, Australia

Average high temperature in December: 25.7°C

The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is July (17.2°C).

Average low temperature in December: 17.9°C

The month with the highest average low temperature is February (19.8°C).
The coldest months (with the lowest average low temperature) are July and August (12.2°C).

Average pressure in December
Fremantle, Australia

Average pressure in December: 1012.6mbar

The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1011.5mbar).

Average wind speed in December
Fremantle, Australia

Average wind speed in December: 19.4km/h

The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is April (16.2km/h).

Average humidity in December
Fremantle, Australia

Average humidity in December: 59%

The month with the highest relative humidity is August (72%).
The months with the lowest relative humidity are January, February and December (59%).

Average rainfall in December
Fremantle, Australia

Average rainfall in December: 12mm

The wettest month (with the highest rainfall) is June (75mm).
The driest month (with the least rainfall) is March (11mm).

Average rainfall days in December
Fremantle, Australia

Average rainfall days in December: 5.2 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (4.3 days).

Average daylight in December /
Average sunshine in December
Fremantle, Australia

Average daylight in December: 14h and 12min

The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).

Average sunshine in December: 11h and 36min

The months with the most sunshine are January and December (Average sunshine: 11h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).

Average sunshine days in December
Fremantle, Australia

Average sunshine days in December: 24.2 days

The month with the most sunshine days is December (24.2 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Fremantle, Australia

Average UV index in December: 6

The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 4).

Average cloud cover in December
Fremantle, Australia

Average cloud cover in December: 14

The month with the most cloud cover is July (Cloud cover 39).
The month with the least cloud cover is January (Cloud cover 13).

Average visibility in December
Fremantle, 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).