St Georges Basin Weather Forecast

Today 18 Dec
- 17
- 34
Clear
Fri 19 Dec
- 18
- 32
Shower or two
Sat 20 Dec
- 19
- 33
Showers. Possible storm
Sun 21 Dec
- 18
- 31
Shower or two. Possible storm
Mon 22 Dec
- 20
- 29
Possible shower
Tue 23 Dec
- 17
- 29
Shower or two
Wed 24 Dec
- 16
- 31
Possible shower

Today 18 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Fri 19 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sat 20 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sun 21 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Mon 22 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Tue 23 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Wed 24 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm

Today 18 Dec Illawarra

Clear. Winds west to northwesterly 15 to 25 km/h.

St Georges Basin Temperature Statistics View More

December Temperature

Nowra (RAN Air Station) (17km)

Lowest 22 June, 2025
0.4 °C
Average 2025
16.7 °C
Highest 6 December, 2025
39.5 °C
Lowest 12 November, 2025
4.4 °C
Average November
18.8 °C
Highest 25 November, 2025
35.8 °C
Lowest 1 December, 2025
8.8 °C
Average December
20.2 °C
Highest 6 December, 2025
39.5 °C

Climate (2020–Present)

Nowra (RAN Air Station) (17km)

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Average Low 2020–2025
12 °C
Average 2020–2025
16.5 °C
Average High 2020–2025
22.4 °C

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