Bertram Weather Forecast

Today 18 Dec
- 16
- 31
Sunny
Fri 19 Dec
- 18
- 31
Sunny
Sat 20 Dec
- 17
- 28
Mostly sunny
Sun 21 Dec
- 14
- 27
Sunny
Mon 22 Dec
- 16
- 30
Sunny
Tue 23 Dec
- 18
- 33
Sunny
Wed 24 Dec
- 20
- 35
Sunny

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

Today 18 Dec Perth

Mostly clear. The chance of smoke haze in the morning. Winds southeasterly 20 to 30 km/h increasing to 25 to 40 km/h in the late evening.

Bertram Temperature Statistics View More

December Temperature

Garden Island (15km)

Lowest 21 July, 2025
5.7 °C
Average 2025
18.9 °C
Highest 20 January, 2025
41.2 °C
Lowest 2 November, 2025
11.7 °C
Average November
19.6 °C
Highest 11 November, 2025
32.7 °C
Lowest 4 December, 2025
16.4 °C
Average December
22.1 °C
Highest 14 December, 2025
38.8 °C

Climate (2020–Present)

Garden Island (15km)

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Average Low 2020–2025
15.2 °C
Average 2020–2025
19 °C
Average High 2020–2025
23.4 °C

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