April weather forecast
San Jose, CA

A sunset panorama of the lit city of San Jose, California
A sunset panorama of the lit city of San Jose, California

Weather in April

April, the same as March, is another comfortable spring month in San Jose, California, with an average temperature ranging between min 45.5°F (7.5°C) and max 66.7°F (19.3°C).

Temperature

In San Jose, the average high-temperature in April is relatively the same as in March - a still enjoyable 66.7°F (19.3°C). In April, in San Jose, the average low-temperature is 45.5°F (7.5°C).

Humidity

In San Jose, the average relative humidity in April is 69%.

Rainfall

In San Jose, in April, during 6.7 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In San Jose, California, during the entire year, the rain falls for 51.5 days and collects up to 4.06" (103mm) of precipitation.

Daylight

The average length of the day in April in San Jose, California, is 13h and 11min.
On the first day of April, sunrise is at 6:52 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:56 pm PDT.

Sunshine

In San Jose, the average sunshine in April is 10.4h.

UV index

The average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 in April transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in April in San Jose?

In San Jose, California, in April, the average high-temperature is 66.7°F (19.3°C), and the average low-temperature is 45.5°F (7.5°C).

What is the average humidity in April in San Jose?

In San Jose, California, the average relative humidity in April is 69%.

How much does it rain in San Jose in April?

In San Jose, during April, the rain falls for 6.7 days and regularly aggregates up to 0.28" (7mm) of precipitation.

What is the average length of the day in April in San Jose?

In April, the average day length in San Jose, California, is 13h and 11min.

What time are sunrise and sunset in April in San Jose?

On the first day of April in San Jose, California, sunrise is at 6:52 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 7:56 pm PDT.

How many hours of sunshine does San Jose have in April?

In San Jose, California, the average sunshine duration in April is 10.4h.

What is the UV index intensity in April in San Jose?

In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
San Jose, CA

Average temperature in April - San Jose, CA
  • Average high temperature in April: 66.7°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in April: 45.5°F

The month with the highest average low temperature is August (56.5°F).
The coldest month (with the lowest average low temperature) is December (43°F).

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Average pressure in April
San Jose, CA

Average pressure in April - San Jose, CA
  • Average pressure in April: 30.04"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in April
San Jose, CA

Average wind speed in April - San Jose, CA
  • Average wind speed in April: 5.8mph

The windiest months (with the highest average wind speed) are April and May (5.8mph).
The calmest months (with the lowest average wind speed) are September and October (4.4mph).

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Average humidity in April
San Jose, CA

Average humidity in April - San Jose, CA
  • Average humidity in April: 69%

The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are July and September (60%).

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Average rainfall in April
San Jose, CA

Average rainfall in April - San Jose, CA
  • Average rainfall in April: 0.28"

The wettest month (with the highest rainfall) is March (0.83").
The driest months (with the least rainfall) are June, July and August (0.04").

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Average rainfall days in April
San Jose, CA

Average rainfall days in April - San Jose, CA
  • Average rainfall days in April: 6.7 days

The month with the highest number of rainy days is March (9.8 days).
The month with the least rainy days is August (0.4 days).

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Average daylight in April /
Average sunshine in April
San Jose, CA

Average daylight in April / Average sunshine in April - San Jose, CA
  • Average daylight in April: 13h and 11min

The month with the longest days is June (Average daylight: 14h and 41min).
The month with the shortest days is December (Average daylight: 9h and 38min).

  • Average sunshine in April: 10h and 24min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in April
San Jose, CA

Average sunshine days in April - San Jose, CA
  • Average sunshine days in April: 22.8 days

The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is March (19.5 days).

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Average UV index in April
San Jose, CA

Average UV index in April - San Jose, CA
  • Average UV index in April: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in April
San Jose, CA

Average cloud cover in April - San Jose, CA
  • Average cloud cover in April: 26

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in April
San Jose, CA

Average visibility in April - San Jose, CA
  • Average visibility in April: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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