Hay Valley Weather Forecast

Today 9 Dec
- 11
- 27
Cloud clearing
Wed 10 Dec
- 11
- 26
Partly cloudy
Thu 11 Dec
- 12
- 30
Mostly sunny
Fri 12 Dec
- 15
- 35
Partly cloudy
Sat 13 Dec
- 13
- 23
Mostly sunny
Sun 14 Dec
- 9
- 22
Cloudy
Mon 15 Dec
- 10
- 22
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 Barker

Cloud clearing. Light winds becoming south to southeasterly 15 to 25 km/h in the early afternoon then becoming light in the evening.

Hay Valley Temperature Statistics View More

December Temperature

Mount Barker (8km)

Lowest 19 August, 2025
0 °C
Average 2025
13.9 °C
Highest 12 February, 2025
40.8 °C
Lowest 12 November, 2025
2 °C
Average November
14 °C
Highest 24 November, 2025
32.1 °C
Lowest 7 December, 2025
5.6 °C
Average December
17.2 °C
Highest 4 December, 2025
32.7 °C

Climate (2020–Present)

Mount Barker (8km)

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Average Low 2020–2025
9.3 °C
Average 2020–2025
13.9 °C
Average High 2020–2025
21 °C

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