April weather forecast and climate
Gilroy, CA

A colorful sunset sky over the hilly region of Gilroy in California
A colorful sunset sky over the hilly region of Gilroy in California

Weather in April

April is an agreeable spring month in Gilroy, California, with average temperature fluctuating between 68.2°F (20.1°C) and 42.4°F (5.8°C).

Temperature

In Gilroy, the average high-temperature in April is essentially the same as in March - an agreeable 68.2°F (20.1°C). The average low-temperature, in Gilroy, is 42.4°F (5.8°C).

Humidity

In Gilroy, the average relative humidity is 70%.

Rainfall

In April, the rain falls for 5.2 days. Throughout April, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 43.4 rainfall days, and 3.66" (93mm) of precipitation is accumulated.

Daylight

In April, the average length of the day in Gilroy is 13.2h.

Sunshine

In Gilroy, the average sunshine is 10.4h.

UV index

The average daily maximum UV index in Gilroy, California, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 5 in April transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in April in Gilroy?

The average high-temperature, in April, in Gilroy, California, is 68.2°F (20.1°C), while the average low-temperature is 42.4°F (5.8°C).

What is the average humidity in April in Gilroy?

In Gilroy, the average relative humidity in April is 70%.

How many days does it rain in April in Gilroy?

In Gilroy, during April, the rain falls for 5.2 days and regularly aggregates up to 0.35" (9mm) of precipitation.

What is the average length of the day in April in Gilroy?

In Gilroy, California, the average length of the day in April is 13.2h.

How many hours of sunshine does Gilroy have in April?

In Gilroy, the average sunshine in April is 10.4h.

What is the UV index reading in April in Gilroy?

In April, the average daily maximum UV index in Gilroy is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in April
Gilroy, CA

Average temperature in April - Gilroy, CA
  • Average high temperature in April: 68.2°F

The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (57.6°F).

  • Average low temperature in April: 42.4°F

Months with the highest average low temperature are August and September (54.1°F).
The coldest months (with the lowest average low temperature) are February and March (40.6°F).

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Average pressure in April
Gilroy, CA

Average pressure in April - Gilroy, CA
  • Average pressure in April: 30.03"

The month with the highest atmospheric pressure is January (30.14").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in April
Gilroy, CA

Average wind speed in April - Gilroy, CA
  • Average wind speed in April: 5mph

The windiest month (with the highest average wind speed) is May (5.3mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).

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Average humidity in April
Gilroy, CA

Average humidity in April - Gilroy, CA
  • Average humidity in April: 70%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (57%).

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Average rainfall in April
Gilroy, CA

Average rainfall in April - Gilroy, CA
  • Average rainfall in April: 0.35"

The wettest month (with the highest rainfall) is December (0.83").
The driest months (with the least rainfall) are June, July and August (0").

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Average rainfall days in April
Gilroy, CA

Average rainfall days in April - Gilroy, CA
  • Average rainfall days in April: 5.2 days

The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is August (0.6 days).

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Average daylight in April /
Average sunshine in April
Gilroy, CA

Average daylight in April / Average sunshine in April - Gilroy, CA
  • Average daylight in April: 13.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in April: 10.4h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days in April
Gilroy, CA

Average sunshine days in April - Gilroy, CA
  • Average sunshine days in April: 24 days

The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is March (21.4 days).

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Average UV index in April
Gilroy, CA

Average UV index in April - Gilroy, CA
  • Average UV index in April: 5

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

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Average cloud cover in April
Gilroy, CA

Average cloud cover in April - Gilroy, CA
  • Average cloud cover in April: 27

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in April
Gilroy, CA

Average visibility in April - Gilroy, CA
  • Average visibility in April: 6mi

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

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