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Weather in San Jose for December 2024

Your guide to San Jose weather in December - trends and predictions
  • In general, the average temperature in San Jose at the beginning of December is 15.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 14.9 °F by the end of December.

  • San Jose sees moderate rainfall in December, averaging 9 rainy days.

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Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/8°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
71 %
Avg humidity

San Jose in December average weather

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Temperatures trend during December in San Jose

See the weather trend as well as the moving average line

December weather day by day

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Date Weather Temperatures Rain UV More
Dec. 1 Fog
Fog
14° /5° 0 mm 3
Dec. 2 Patchy rain possible
Patchy rain possible
15° /8° 0 mm 4
Dec. 3 Mist
Mist
16° /9° 0 mm 4
Dec. 4 Mist
Mist
15° /11° 0 mm 4
Dec. 5 Mist
Mist
21° /10° 0 mm 5
Dec. 6 Light rain
Light rain
16° /10° 3.8 mm 4
Dec. 7 Light rain shower
Light rain shower
14° /8° 1 mm 3
Dec. 8 Cloudy
Cloudy
14° /6° 0 mm 3
Dec. 9 Partly cloudy
Partly cloudy
15° /3° 0 mm 5
Dec. 10 Overcast
Overcast
15° /5° 0 mm 4
Dec. 11 Overcast
Overcast
16° /7° 0 mm 4
Dec. 12 Overcast
Overcast
17° /8° 0 mm 4
Dec. 13 Overcast
Overcast
17° /6° 0 mm 4
Dec. 14 Overcast
Overcast
18° /7° 0 mm 4
Dec. 15 Sunny
Sunny
18° /7° 0 mm 5
Dec. 16 Partly cloudy
Partly cloudy
20° /7° 0 mm 6
Dec. 17 Patchy rain possible
Patchy rain possible
19° /9° 0 mm 4
Dec. 18 Light rain shower
Light rain shower
14° /12° 12.6 mm 3
Dec. 19 Light rain shower
Light rain shower
16° /12° 19.2 mm 4
Dec. 20 Light rain shower
Light rain shower
13° /11° 25.5 mm 3
Dec. 21 Partly cloudy
Partly cloudy
16° /9° 0 mm 5
Dec. 22 Partly cloudy
Partly cloudy
17° /8° 0 mm 5
Dec. 23 Partly cloudy
Partly cloudy
17° /7° 0 mm 5
Dec. 24 Sunny
Sunny
17° /7° 0 mm 5
Dec. 25 Overcast
Overcast
18° /7° 0 mm 5
Dec. 26 Overcast
Overcast
16° /8° 0.4 mm 4
Dec. 27 Moderate or heavy rain shower
Moderate or heavy rain shower
15° /9° 21.1 mm 4
Dec. 28 Partly cloudy
Partly cloudy
15° /9° 0.3 mm 4
Dec. 29 Heavy rain at times
Heavy rain at times
13° /8° 13.1 mm 4
Dec. 30 Moderate or heavy rain shower
Moderate or heavy rain shower
14° /9° 17.5 mm 3
Dec. 31 Moderate or heavy rain shower
Moderate or heavy rain shower
13° /9° 26.5 mm 3
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Important Notice
Our weather forecast for San Jose 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 San Jose forecast closer to your planned date for the most up-to-date weather information.

San Jose in December - FAQ

What are the expected maximum and minimum temperatures in San Jose during December?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Jose during December?
Significant rainfall exceeding 220 mm is expected in San Jose during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Jose during December?
The average wind speed in San Jose during December is 9 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in San Jose

Explore the daily rainfall trends and prepare for San Joses December weather 💧

UV exposure in San Jose during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Location coordinates Where is San Jose?

Get accurate weather forecasts for San Jose, located at latitude 37.339 and longitude -121.895. Stay updated with localized weather information tailored for San Jose.

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