Fremantle Weather in December

Thinking of visiting Fremantle in December? Expect high temperatures reaching 28°C (82°F) during the day, dropping to 18°C (64°F) at night, with the driest conditions of the year.

Rainfall in Fremantle in December

Expect the least amount of rain this month, providing an excellent opportunity for outdoor activities. Enjoy the clearest skies and driest conditions of the year. You can expect rain on around 4 days based on historical patterns, with 11 mm (0.4 in) average for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in Fremantle in December

December is a excellent month in Fremantle, with 28°C (82°F) during the day and 18°C (64°F) at night. This kind of day-to-night contrast is typical for this time of year. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Fremantle in December

There are approximately 354 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Fremantle in December

Average wind conditions reach 7 m/s (14 knots) in December. This indicates a windy month with strong breezes dominating the weather pattern. Remember this is an average: while most days are notably windy, some calmer periods occur alongside more stormy conditions.

Average water temperature in December

At 19°C (66°F), the water is getting there, comfortable enough for most swimmers, though those used to warmer seas may still find it a touch cool.

If your ideal day consists of dry skies and pleasant temperatures, March, April, May, September, October, November and December typically offer the best circumstances for Fremantle.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Australia, check out our Fremantle's climate page.

Fremantle Temperature in December

Min Temperature 18°C (64°F)  

Max Temperature 28°C (82°F)  

Water Temperature 19°C (66°F) *  

Chance of Rain 12%  

Precipitation 11 mm (0.4 in)  

Rainy days 4 days  

Humidity 41% *  

Windspeed 7 m/s (14 knots) *  

Sunshine 354 hours *  

Percentage Sunshine *  

* Data from: Perth, Australia (23 KM, 14 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Fremantle typically rise from around 26°C (79°F) at the start of December to approximately 29°C (84°F) by the end. Nights are pleasant, with lows typically ranging from 14°C (57°F) to 18°C (64°F).

Average temperatures in December

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‹ January February March April May June July August September October November December ›

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in December

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Fremantle in December

Browse day-by-day weather records for Fremantle spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Fremantle historical weather extremes in December

Based on weather observations in Fremantle between 1976 and 2025, these are the recorded extremes during December.

• The hottest December day on record in Fremantle reached 43°C (109°F) (December 26, 2007).
• On December 5, 2015, Fremantle saw its coldest December day with temperatures maxing out at 18°C (64°F).
• The coldest night in December in Fremantle was on December 2, 2002, with a minimum of 5°C (41°F).

What to Wear in Fremantle in December

Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. Expect water temperatures of around 19°C (66°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Fremantle in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Australia, check out our Fremantle's climate page.

More climate data for Fremantle

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Fremantle climate overview or explore weather in Australia.