April weather forecast and climate
Watsonville, CA

Weather in April

April, like March, in Watsonville, California, is another enjoyable spring month, with average temperature varying between 64.9°F (18.3°C) and 45.7°F (7.6°C).

Temperature

In Watsonville, California, the average high-temperature is almost the same as in March - a still enjoyable 64.9°F (18.3°C). In April, the average low-temperature is 45.7°F (7.6°C).

Humidity

The average relative humidity in April is 72%.

Rainfall

In Watsonville, California, in April, during 7.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Watsonville, during the entire year, the rain falls for 68.3 days and collects up to 11.38" (289mm) of precipitation.

Daylight

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

Sunshine

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

UV index

April, June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in April interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Watsonville?

The average high-temperature, in April, in Watsonville, is 64.9°F (18.3°C), while the average low-temperature is 45.7°F (7.6°C).

What is the average humidity in April in Watsonville?

In April, the average relative humidity is 72%.

How many days does it rain in April in Watsonville?

In Watsonville, California, in April, during 7.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

How many hours of daylight does Watsonville have in April?

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

How long on average sun shines in April in Watsonville?

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

What is the month with the highest UV index in Watsonville?

Months with the highest UV index in Watsonville are April, June through September, with an average maximum UV index of 5.

What is the UV index intensity in April in Watsonville?

The average daily maximum UV index in April in Watsonville is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in April
Watsonville, CA

Average temperature in April - Watsonville, CA
  • Average high temperature in April: 64.9°F

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (57.9°F).

  • Average low temperature in April: 45.7°F

The month with the highest average low temperature is September (54.9°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).

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Average pressure in April
Watsonville, CA

Average pressure in April - Watsonville, CA
  • Average pressure in April: 30.04"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

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Average wind speed in April
Watsonville, CA

Average wind speed in April - Watsonville, CA
  • Average wind speed in April: 6mph

The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest months (with the lowest average wind speed) are January, August, September, October and November (4.7mph).

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Average humidity in April
Watsonville, CA

Average humidity in April - Watsonville, CA
  • Average humidity in April: 72%

The month with the highest relative humidity is March (75%).
Months with the lowest relative humidity are September and October (65%).

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Average rainfall in April
Watsonville, CA

Average rainfall in April - Watsonville, CA
  • Average rainfall in April: 0.79"

The wettest month (with the highest rainfall) is December (2.13").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in April
Watsonville, CA

Average rainfall days in April - Watsonville, CA
  • Average rainfall days in April: 7.8 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).

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

Average daylight in April / Average sunshine in April - Watsonville, 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

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days in April
Watsonville, CA

Average sunshine days in April - Watsonville, CA
  • Average sunshine days in April: 20.7 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (17.6 days).

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Average UV index in April
Watsonville, CA

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

Months with the highest UV index are April, June, July, August and September (UV index 5).
Months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in April
Watsonville, CA

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

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in April
Watsonville, CA

Average visibility in April - Watsonville, 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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