Duncan Weather Forecast

Today 9 Dec
- 11
- 22
Mostly sunny
Wed 10 Dec
- 11
- 22
Morning shower or two
Thu 11 Dec
- 11
- 25
Sunny
Fri 12 Dec
- 12
- 31
Mostly sunny
Sat 13 Dec
- 11
- 21
Partly cloudy
Sun 14 Dec
- 9
- 22
Cloudy
Mon 15 Dec
- 9
- 19
Cloudy

Today 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
Thu 11 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 12 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 13 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 14 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 15 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 9 Dec Kangaroo Island

Mostly sunny. Winds southeasterly 20 to 30 km/h. Daytime maximum temperatures between 19 and 23.

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
16.6 °C
Highest 3 December, 2025
32.7 °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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