Sunnyvale Weather Forecast

Today 13 Dec
- 15
- 29
Clear
Sun 14 Dec
- 12
- 25
Partly cloudy
Mon 15 Dec
- 12
- 23
Cloud clearing
Tue 16 Dec
- 11
- 30
Sunny
Wed 17 Dec
- 16
- 37
Sunny
Thu 18 Dec
- 19
- 40
Sunny
Fri 19 Dec
- 20
- 34
Mostly sunny

Today 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
Tue 16 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 17 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 18 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 19 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 13 Dec Yorke Peninsula

Partly cloudy. Winds south to southwesterly 25 to 40 km/h. Daytime maximum temperatures 25 to 30.

Sunnyvale Temperature Statistics View More

December Temperature

Kadina Airport (24km)

Lowest 20 May, 2025
-1 °C
Average 2025
16.4 °C
Highest 12 February, 2025
43.6 °C
Lowest 12 November, 2025
2 °C
Average November
16.8 °C
Highest 24 November, 2025
32.3 °C
Lowest 8 December, 2025
7 °C
Average December
20.4 °C
Highest 4 December, 2025
37.5 °C

Climate (2020–Present)

Kadina Airport (24km)

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Average Low 2020–2025
10.1 °C
Average 2020–2025
16.3 °C
Average High 2020–2025
23.3 °C

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