easeweather.com
Units
°C
°F
Sunnyvale
Forecast Today Tomorrow
more
California United States

Weather in Sunnyvale for December 2024

Your guide to Sunnyvale weather in December - trends and predictions
  • The forecast for the first days of December 2024 in Sunnyvale predicts a temperature of 13.8 °F, which is slightly above the historical average.

  • In general, the average temperature in Sunnyvale at the beginning of December is 14 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 15.3 °F by the end of December.

  • Sunnyvale sees moderate rainfall in December, averaging 10 rainy days.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/9°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Sunnyvale in December average weather

Move between months or click on a day
Select a date

You can click on date

Access Sunnyvale weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it

Temperatures trend during December in Sunnyvale

See the weather trend as well as the moving average line

December weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Dec. 1 Sunny
Sunny
12° /6° 0 mm 3
Dec. 2 Patchy rain possible
Patchy rain possible
12° /4° 0.6 mm 2
Dec. 3 Patchy rain possible
Patchy rain possible
11° /5° 0.1 mm 2
Dec. 4 Mist
Mist
14° /11° 0 mm 3
Dec. 5 Mist
Mist
20° /10° 0 mm 5
Dec. 6 Light rain
Light rain
15° /9° 2 mm 4
Dec. 7 Light rain shower
Light rain shower
14° /8° 2.2 mm 3
Dec. 8 Cloudy
Cloudy
13° /6° 0 mm 3
Dec. 9 Cloudy
Cloudy
15° /3° 0 mm 3
Dec. 10 Overcast
Overcast
14° /5° 0 mm 3
Dec. 11 Overcast
Overcast
16° /7° 0 mm 4
Dec. 12 Overcast
Overcast
17° /8° 0 mm 4
Dec. 13 Overcast
Overcast
16° /7° 0 mm 4
Dec. 14 Overcast
Overcast
17° /8° 0 mm 4
Dec. 15 Sunny
Sunny
17° /8° 0 mm 5
Dec. 16 Partly cloudy
Partly cloudy
19° /8° 0 mm 5
Dec. 17 Patchy rain possible
Patchy rain possible
19° /10° 0.1 mm 4
Dec. 18 Light rain shower
Light rain shower
14° /12° 13.5 mm 3
Dec. 19 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
16° /12° 18.6 mm 4
Dec. 20 Light rain shower
Light rain shower
13° /11° 27 mm 3
Dec. 21 Partly cloudy
Partly cloudy
15° /9° 0 mm 5
Dec. 22 Sunny
Sunny
17° /9° 0 mm 5
Dec. 23 Partly cloudy
Partly cloudy
15° /7° 0 mm 5
Dec. 24 Overcast
Overcast
15° /8° 0 mm 4
Dec. 25 Partly cloudy
Partly cloudy
16° /8° 0 mm 5
Dec. 26 Cloudy
Cloudy
16° /8° 0 mm 4
Dec. 27 Light rain shower
Light rain shower
16° /9° 4 mm 4
Dec. 28 Patchy rain possible
Patchy rain possible
17° /12° 0.4 mm 4
Dec. 29 Light rain
Light rain
16° /11° 12.4 mm 4
Dec. 30 Light rain shower
Light rain shower
14° /10° 5.3 mm 3
Dec. 31 Light rain shower
Light rain shower
12° /9° 1 mm 3
Next
Important Notice
Our weather forecast for Sunnyvale in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sunnyvale forecast closer to your planned date for the most up-to-date weather information.

Sunnyvale in December - FAQ

What are the expected maximum and minimum temperatures in Sunnyvale during December?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sunnyvale during December?
Moderate rainfall is anticipated in Sunnyvale during December, with a total of 86.5 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Sunnyvale during December?
The average wind speed in Sunnyvale during December is 9 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Sunnyvale

Explore the daily rainfall trends and prepare for Sunnyvales December weather 💧

Quick links

Location coordinates Where is Sunnyvale?

Get accurate weather forecasts for Sunnyvale, located at latitude 37.369 and longitude -122.036. Stay updated with localized weather information tailored for Sunnyvale.

Found a mistake?
We appreciate your attention to details. Tell us here.