Duncan Weather Forecast

Today 18 Dec
- 17
- 37
Clear
Fri 19 Dec
- 14
- 23
Partly cloudy
Sat 20 Dec
- 10
- 23
Possible late shower
Sun 21 Dec
- 11
- 21
Showers easing
Mon 22 Dec
- 10
- 22
Cloudy
Tue 23 Dec
- 10
- 20
Cloudy
Wed 24 Dec
- 9
- 20
Cloudy

Today 18 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 19 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 20 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 21 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 22 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 23 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 24 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 18 Dec Kangaroo Island

Clear. Winds west to southwesterly 15 to 25 km/h turning south to southeasterly 15 to 20 km/h in the evening.

Duncan Temperature Statistics View More

December Temperature

Kingscote Airport (35km)

Lowest 20 May, 2025
-1.4 °C
Average 2025
15 °C
Highest 15 March, 2025
41.9 °C
Lowest 12 November, 2025
0.2 °C
Average November
14.7 °C
Highest 24 November, 2025
33.6 °C
Lowest 7 December, 2025
3.8 °C
Average December
17.3 °C
Highest 12 December, 2025
36.2 °C

Climate (2020–Present)

Kingscote Airport (35km)

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Average Low 2020–2025
9.2 °C
Average 2020–2025
14.7 °C
Average High 2020–2025
21 °C

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