Merriwa Weather Forecast

Today 16 Dec
- 20
- 28
Partly cloudy
Wed 17 Dec
- 19
- 25
Partly cloudy
Thu 18 Dec
- 16
- 30
Sunny
Fri 19 Dec
- 18
- 30
Sunny
Sat 20 Dec
- 17
- 29
Sunny
Sun 21 Dec
- 15
- 29
Sunny
Mon 22 Dec
- 17
- 31
Sunny

Today 16 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 17 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
Thu 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

Today 16 Dec Perth

Partly cloudy. Winds southwesterly 15 to 25 km/h.

Merriwa Temperature Statistics View More

December Temperature

Gingin Airport (26km)

Lowest 25 July, 2025
-2.2 °C
Average 2025
18 °C
Highest 20 January, 2025
44.6 °C
Lowest 28 November, 2025
5.6 °C
Average November
20 °C
Highest 17 November, 2025
36.4 °C
Lowest 4 December, 2025
9.6 °C
Average December
23.5 °C
Highest 14 December, 2025
40.9 °C

Climate (2020–Present)

Gingin Airport (26km)

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Average Low 2020–2025
11.5 °C
Average 2020–2025
18.3 °C
Average High 2020–2025
26.2 °C

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