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San Jose in April: Weather, Average temperature and Climate

Take a look at past year’s weather for San Jose in April and see if it is worth visiting.
Check flight prices to San Jose on Avionero:
April

Weather in San Jose in April 2024

Good Weather
Warm
🌧️
Rainy
Are you considering a trip to San Jose in April? Well, the weather is usually on your side with an average maximum temperature of +79°F and about 3 sunny days. Just keep in mind that there may be some rain, with an average of 24 rainy days and 260 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • April is usually the hottest month of the year in San Jose;

Average weather

☀️
+79°F
Avg. max. temperature
+55°F
Min.
+88°F
Max.
260 mm
Total precipitation
71%
Avg. humidity
3 m/s
Avg. wind
3 ☀️
Sunny Days
3 ⛅️
Cloudy
24 🌦
Rainy
Our opinion: San Jose has good weather in April.

Average temperature in San Jose in April

Here are the expected maximum, average and minimum temperatures in San Jose for April based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in April is +79°F with a maximum of +82°F and a minimum of +61°F.

The average maximum temperature goes down 8% by the end of the month, compared with the beginning of the month, from +77°F to +75°F.

Is San Jose warm or cold in April?

San Jose is typically warm in April.

Maximum temperatures go up compared to the previous month from +79°F to +79°F. The minimum temperature also goes up from +63°F to +63°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

April is the hottest month in San Jose, here is the comparison with other months:

Climate in San Jose in April

San Jose weather looks like this, on average, in April and the surrounding months.
MarchAprilMay
Avg. temperature
+79°F+79°F+77°F
Min. temperature
+55°F+55°F+59°F
Max. temperature
+88°F+88°F+86°F
Rainfall
107 mm260 mm613 mm
Wind
4 m/s3 m/s2 m/s
Humidity
67%71%80%
Air pressure
1013 HPa1013 HPa1013 HPa
Sunny days
1130
Cloudy days
631
Rainy days
142430
Snowy days
000

April weather is still as good as in March. The temperature levels stay the same in the area of +79°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 107 mm to 260 mm. Humidity rises from 67% to 71%. Winds are calmer in comparison to March, going down from 4 m/s to 3 m/s on average. The days becoming less sunny, going from 11 sunny days in March to 3 in April.

Next month (May) brings a further decline in the weather.

Wind

Wind speed in San Jose in April based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in San Jose is gradually decreasing during April, going from 4 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during April in San Jose based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in April stands at 100%, leading to total precipitation of around 379 mm. The maximum amount of rainfall per day is around 43 mm, which is moderate rain. April is a pretty wet month with over 30 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how April is compared with other months in the amount of precipitation, total mm:
San Jose wettest month is August, where a typical day has a 100% chance of precipitation and 761 mm of rainfall per day. February, on the other hand, is the driest month with a mere 38% chance of precipitation and 86 mm of rainfall per day.

How was the weather last April in San Jose?

This is the weather in San Jose in April 2023:
1 April
🌧️
+77°F
2 April
☁️
+82°F
3 April
🌧️
+79°F
4 April
🌧️
+78°F
5 April
🌧️
+76°F
6 April
🌧️
+81°F
7 April
☀️
+81°F
8 April
🌧️
+79°F
9 April
🌧️
+72°F
10 April
🌧️
+74°F
11 April
☀️
+79°F
12 April
☀️
+79°F
13 April
☀️
+77°F
14 April
🌧️
+79°F
15 April
🌧️
+77°F
16 April
🌧️
+76°F
17 April
☀️
+80°F
18 April
🌧️
+81°F
19 April
☀️
+78°F
20 April
🌧️
+82°F
21 April
☀️
+81°F
22 April
🌧️
+77°F
23 April
🌧️
+80°F
24 April
🌧️
+78°F
25 April
🌧️
+78°F
26 April
🌧️
+80°F
27 April
🌧️
+78°F
28 April
🌧️
+78°F
29 April
🌧️
+76°F
30 April
🌧️
+75°F
In April 2023 San Jose had 7 sunny days, 1 cloudy days, and 22 rainy days. The average maximum temperature was +79°F, with an absolute maximum of +82°F and a minimum of +72°F. The average humidity was 76%, with a maximum of 100% and a minimum of 36%. The average wind speed was 4 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in April?

Climate Change Over the Years

This is how San Jose climate has changed over the last 43 years.

The climate in San Jose in April has not changed that much over the last 43 years.

The average temperature was the lowest in 2021 (+81°F) and the highest in 1998 (+87°F). The driest year was 1983 with only 132 mm of rainfall, and the wettest year was 1979 with 658 mm.

FAQ

Frequently asked questions about the weather in San Jose in April:

Is April a good time to visit San Jose?

April is a really good time to go to San Jose. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit San Jose.

Can you sunbathe in San Jose in April?

April is warm in San Jose. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is San Jose rainy in April?

San Jose is often rainy in April. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in San Jose in April?

Usually, it’s not very sunny in San Jose in April, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Monthly weather in San Jose

Source of the data

For this page, we’ve looked at the typical weather in San Jose, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.