Duncan Weather Forecast

Today 16 Dec
- 8
- 27
Sunny
Wed 17 Dec
- 10
- 34
Sunny
Thu 18 Dec
- 15
- 37
Mostly sunny
Fri 19 Dec
- 16
- 29
Partly cloudy
Sat 20 Dec
- 12
- 24
Partly cloudy
Sun 21 Dec
- 11
- 21
Shower or two
Mon 22 Dec
- 10
- 21
Cloudy

Today 16 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 17 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 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

Today 16 Dec Kangaroo Island

Sunny. Winds east to southeasterly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures in the low to high 20s.

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
17.4 °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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