St Johns Weather Forecast

Today 9 Dec
- 12
- 32
Clear
Wed 10 Dec
- 14
- 28
Partly cloudy
Thu 11 Dec
- 14
- 32
Mostly sunny
Fri 12 Dec
- 18
- 36
Mostly sunny
Sat 13 Dec
- 16
- 28
Mostly sunny
Sun 14 Dec
- 9
- 24
Partly cloudy
Mon 15 Dec
- 9
- 24
Partly 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 Mount Lofty Ranges

Clear. Winds southeasterly 15 to 25 km/h.

St Johns Temperature Statistics View More

December Temperature

Nuriootpa (PIRSA Research Centre) (12km)

Lowest 21 May, 2025
-2 °C
Average 2025
15 °C
Highest 2 February, 2025
41 °C
Lowest 12 November, 2025
1.1 °C
Average November
15 °C
Highest 24 November, 2025
35.7 °C
Lowest 7 December, 2025
3.2 °C
Average December
17 °C
Highest 4 December, 2025
36 °C

Climate (2020–Present)

Nuriootpa (PIRSA Research Centre) (12km)

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Average Low 2020–2025
9.2 °C
Average 2020–2025
15 °C
Average High 2020–2025
21.7 °C

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