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Weather in San Jose for January 2025

Your guide to San Jose weather in January - trends and predictions
  • In general, the average temperature in San Jose at the beginning of January is 13 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 16.6 °F by the end of January.

  • San Jose sees moderate rainfall in January, averaging 7 rainy days.

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Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/5°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
76 %
Avg humidity

San Jose in January average weather

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Temperatures trend during January in San Jose

See the weather trend as well as the moving average line

January weather day by day

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Date Weather Temperatures Rain UV More
Jan. 1 Cloudy
Cloudy
15° /7° 0 mm 4
Jan. 2 Heavy rain at times
Heavy rain at times
12° /7° 5.3 mm 4
Jan. 3 Patchy rain possible
Patchy rain possible
12° /6° 8.8 mm 3
Jan. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
13° /6° 15.6 mm 4
Jan. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
13° /7° 12 mm 3
Jan. 6 Cloudy
Cloudy
14° /6° 5.8 mm 4
Jan. 7 Heavy rain at times
Heavy rain at times
12° /6° 6.7 mm 4
Jan. 8 Patchy rain possible
Patchy rain possible
14° /6° 10 mm 4
Jan. 9 Moderate or heavy rain shower
Moderate or heavy rain shower
14° /8° 21 mm 4
Jan. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
10° /7° 17.1 mm 3
Jan. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
11° /5° 13.9 mm 3
Jan. 12 Sunny
Sunny
14° /5° 0 mm 5
Jan. 13 Moderate or heavy rain shower
Moderate or heavy rain shower
12° /8° 15.3 mm 3
Jan. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
14° /8° 21 mm 3
Jan. 15 Heavy rain at times
Heavy rain at times
13° /7° 9.2 mm 4
Jan. 16 Patchy rain possible
Patchy rain possible
13° /7° 9.1 mm 4
Jan. 17 Overcast
Overcast
14° /6° 0.2 mm 4
Jan. 18 Overcast
Overcast
14° /6° 0.2 mm 4
Jan. 19 Partly cloudy
Partly cloudy
14° /6° 6.5 mm 4
Jan. 20 Sunny
Sunny
13° /6° 2.5 mm 4
Jan. 21 Sunny
Sunny
14° /6° 0.1 mm 4
Jan. 22 Sunny
Sunny
14° /6° 14.1 mm 4
Jan. 23 Sunny
Sunny
15° /6° 0.1 mm 4
Jan. 24 Sunny
Sunny
14° /5° 1.5 mm 4
Jan. 25 Sunny
Sunny
17° /6° 0 mm 5
Jan. 26 Sunny
Sunny
18° /6° 0 mm 5
Jan. 27 Sunny
Sunny
18° /8° 0 mm 5
Jan. 28 Partly cloudy
Partly cloudy
18° /8° 0 mm 6
Jan. 29 Patchy rain possible
Patchy rain possible
15° /8° 0.3 mm 4
Jan. 30 Sunny
Sunny
16° /6° 0 mm 4
Jan. 31 Sunny
Sunny
14° /6° 20.4 mm 4
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Important Notice
Our weather forecast for San Jose in January 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 January - FAQ

What are the expected maximum and minimum temperatures in San Jose during January?
During January, expect a variety of temperatures with highs around 15° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Jose during January?
Significant rainfall exceeding 433.4 mm is expected in San Jose during January, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Jose during January?
The average wind speed in San Jose during January is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

January rainfall patterns in San Jose

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

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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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