Whyalla Barson Weather Forecast

Today 4 Dec
- 20
- 39
Late cool change
Fri 5 Dec
- 17
- 28
Partly cloudy
Sat 6 Dec
- 17
- 24
Morning shower or two. Windy
Sun 7 Dec
- 13
- 22
Mostly sunny
Mon 8 Dec
- 13
- 29
Sunny
Tue 9 Dec
- 16
- 30
Sunny
Wed 10 Dec
- 17
- 31
Mostly sunny

Today 4 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Fri 5 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sat 6 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sun 7 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Mon 8 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Tue 9 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Wed 10 Dec
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm

Today 4 Dec Whyalla

Mostly sunny. Winds northerly 15 to 25 km/h tending north to northwesterly 25 to 40 km/h in the morning then shifting southerly in the evening.

Whyalla Barson Temperature Statistics View More

December Temperature

Whyalla Airport (9km)

Lowest 1 July, 2025
0.4 °C
Average 2025
17.5 °C
Highest 12 February, 2025
44.8 °C
Lowest 12 November, 2025
5.1 °C
Average November
18.3 °C
Highest 24 November, 2025
38.9 °C
Lowest 2 December, 2025
10.2 °C
Average December
18 °C
Highest 2 December, 2025
25.2 °C

Climate (2020–Present)

Whyalla Airport (9km)

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Average Low 2020–2025
11.8 °C
Average 2020–2025
17.4 °C
Average High 2020–2025
23.7 °C

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