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San Jose (CA)
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United States weather

Weather in San Jose, California for April 2026

Your guide to San Jose weather in April - trends and predictions

    Temperatures

  • Until now, April 2026 in San Jose has been nearly identical to the historical average, with a temperature of 18.7 °F (showing only a slight deviation of -0.5 °F).

  • Expect cooler weather in the next days in San Jose with the forecast suggesting a temperature of 23 °F, lower than the historical average.

  • In general, the average temperature in San Jose at the beginning of April is 17.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.4 °F by the end of April.

    • Rain 🌧️

  • San Jose experiences moderate rainfall in April, with an average of 7 rainy days and a total precipitation of 23.2 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/8°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
68 %
Avg humidity

San Jose Weather April

Move between months or click on a day
March
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Mist
16°
2
Patchy rain possible
16°
3
Cloudy
17°
4
Overcast
18°
5
Overcast
19°
6
Overcast
19°
7
Heavy rain at times
17°
8
Partly cloudy
21°
9
Sunny
23°
10
Sunny
22°
11
Overcast
19°
12
Sunny
16°
13
Sunny
18°
14
Cloudy
18°
15
Mist
18°
16
Overcast
19°
17
Overcast
19°
18
Overcast
21°
19
Partly cloudy
21°
20
Sunny
22°
21
Sunny
23°
22
Patchy rain possible
24°
23
Patchy rain possible
19°
24
Partly cloudy
19°
25
Sunny
18°
26
Patchy rain possible
19°
27
Sunny
21°
28
Sunny
23°
29
Sunny
24°
30
Sunny
26°

Temperatures trend during April in San Jose

See the weather trend as well as the moving average line

April weather in San Jose day by day

Click on a date for more information
March May
Date Weather Temperatures Rain UV More
Apr. 1 Mist
Mist
 16° /7° 2.3 mm 4
Apr. 2 Patchy rain possible
Patchy rain possible
 16° /6° 2.8 mm 5
Apr. 3 Cloudy
Cloudy
 17° /6° 0 mm 5
Apr. 4 Overcast
Overcast
 18° /6° 2.7 mm 4
Apr. 5 Overcast
Overcast
 19° /7° 2.2 mm 5
Apr. 6 Overcast
Overcast
 19° /6° 0 mm 5
Apr. 7 Heavy rain at times
Heavy rain at times
 17° /7° 2 mm 4
Apr. 8 Partly cloudy
Partly cloudy
 21° /8° 0 mm 6
Apr. 9 Sunny
Sunny
 23° /9° 0 mm 5
Apr. 10 Sunny
Sunny
 22° /10° 8.9 mm 5
Apr. 11 Overcast
Overcast
 19° /9° 7.3 mm 4
Apr. 12 Sunny
Sunny
 16° /8° 7.5 mm 4
Apr. 13 Sunny
Sunny
 18° /6° 5 mm 6
Apr. 14 Cloudy
Cloudy
 18° /8° 0.8 mm 5
Apr. 15 Mist
Mist
 18° /7° 0 mm 4
Apr. 16 Overcast
Overcast
 19° /7° 0 mm 6
Apr. 17 Overcast
Overcast
 19° /8° 0 mm 5
Apr. 18 Overcast
Overcast
 21° /8° 0.2 mm 5
Apr. 19 Partly cloudy
Partly cloudy
 21° /9° 0 mm 5
Apr. 20 Sunny
Sunny
 22° /8° 2.4 mm 6
Apr. 21 Sunny
Sunny
 23° /9° 2.7 mm 6
Apr. 22 Patchy rain possible
Patchy rain possible
 24° /9° 0.2 mm 6
Apr. 23 Patchy rain possible
Patchy rain possible
 19° /8° 0.1 mm 6
Apr. 24 Partly cloudy
Partly cloudy
 19° /8° 0 mm 6
Apr. 25 Sunny
Sunny
 18° /8° 0 mm 5
Apr. 26 Patchy rain possible
Patchy rain possible
 19° /10° 0.2 mm 5
Apr. 27 Sunny
Sunny
 21° /10° 0.3 mm 7
Apr. 28 Sunny
Sunny
 23° /8° 0 mm 7
Apr. 29 Sunny
Sunny
 24° /8° 0 mm 7.9
Apr. 30 Sunny
Sunny
 26° /7° 0 mm 8.6
Next
Important Notice
Our weather forecast for San Jose in April 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.
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San Jose in April - FAQ

What are the expected maximum and minimum temperatures in San Jose during April?

Enjoy moderate daytime temperatures of up to 19° 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 April?

In April, San Jose can expect light to moderate rainfall, totaling 23.2 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in San Jose during April?

The average wind speed in San Jose during April is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

April rainfall patterns in San Jose

Explore the daily rainfall trends and prepare for San Joses April weather 💧
Typically, San Jose has 7 rainy days in April with a total of 23.2 mm of rainfall.

UV exposure in San Jose during April

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

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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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