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Whyalla Weather in December
December in Whyalla averages 30°C (86°F) during the day and 17°C (63°F) at night. Around 31 mm (1.2 in) of rainfall is typical for this time of year.
Rainfall in Whyalla in December
Historically, the month has about 5 days of rain, averaging 31 mm (1.2 in) in total. When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Whyalla in December
Temperatures in Whyalla in December top out at 30°C (86°F) and drop to 17°C (63°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.December in Whyalla has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Whyalla Temperature in December
Min Temperature
17°C (63°F)
Max Temperature
30°C (86°F)
Chance of Rain
18%
Precipitation
31 mm (1.2 in)
Rainy days
5 days
Whyalla Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Whyalla - and find the best time to visit.
Best Places in Australia in December
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Whyalla 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). Some rain is possible, so pack something to handle light showers.
What To Do in Whyalla in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling8/10 -
Walking8/10 -
Camping10/10 -
Outdoor sports8/10
Whyalla 3-Day Forecast
More climate data for Whyalla
See the full Whyalla climate overview or explore weather in Australia.
Popular in December
Where to go in December - average daytime high across popular destinations.
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