Santa Cruz
California, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Santa Cruz, CA

A high aerial view of the bay area in Santa Cruz, California, view of the beach sand, numerous parked cars, scenic trees, and residential homes
A high aerial view of the bay area in Santa Cruz, California, view of the beach sand, numerous parked cars, scenic trees, and residential homes
April, the same as March, is another enjoyable spring month in Santa Cruz, California, with average temperature varying between 67.5°F (19.7°C) and 45.5°F (7.5°C).

Temperature

In April, the average high-temperature is almost the same as in March - a still comfortable 67.5°F (19.7°C). In Santa Cruz, California, in April, the average low-temperature is 45.5°F (7.5°C).

Rainfall

In Santa Cruz, it is raining for 5.9 days, with typically 2" (50.5mm) of accumulated precipitation. In Santa Cruz, during the entire year, the rain falls for 66.2 days and collects up to 31.5" (801mm) of precipitation.

Ocean temperature

April is the month with the coldest seawater, with an average ocean temperature of 54°F (12.2°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

The average length of the day in Santa Cruz is 13.2h.

Sunshine

In April, the average sunshine in Santa Cruz is 10h.

UV index

In Santa Cruz, California, the average daily maximum UV index in April is 7. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for the average person.
In April, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.

What is the temperature in April in Santa Cruz?

In April, in Santa Cruz, the average high-temperature is 67.5°F (19.7°C), and the average low-temperature is 45.5°F (7.5°C).

How much does it rain in Santa Cruz in April?

In April, in Santa Cruz, the rain falls for 5.9 days. Throughout April, 2" (50.5mm) of precipitation is accumulated.

What month is the ocean coldest in Santa Cruz?

April is the month with the coldest seawater in Santa Cruz, California, with an average ocean temperature of 54°F (12.2°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the water temperature in April in Santa Cruz?

In Santa Cruz, California, in April, the average water temperature is 54°F (12.2°C). Swimming in 54°F (12.2°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in April in Santa Cruz?

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

How many hours of sunshine does Santa Cruz have in April?

The average sunshine in April in Santa Cruz is 10h.

What is the UV index intensity in April in Santa Cruz?

The average daily maximum UV index in April in Santa Cruz is 7. A UV Index reading of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV rays.
Average temperature in April - Santa Cruz, CA
  • Average high temperature in April: 67.5°F

The warmest month (with the highest average high temperature) is September (74.5°F).
The month with the lowest average high temperature is December (60°F).

  • Average low temperature in April: 45.5°F

The month with the highest average low temperature is August (53.9°F).
Coldest months (with the lowest average low temperature) are January and December (40.8°F).

Average rainfall in April - Santa Cruz, CA
  • Average rainfall in April: 2"

The wettest month (with the highest rainfall) is January (6.4").
Driest months (with the lowest rainfall) are July and August (0").

Average rainfall days in April - Santa Cruz, CA
  • Average rainfall days in April: 5.9 days

The month with the highest number of rainy days is February (10.9 days).
The month with the lowest number of rainy days is July (0.3 days).

Average sea temperature in April - Santa Cruz, CA
  • Average sea temperature in April: 53.9°F

The best month for swimming (with the highest average sea temperature) is September (58.2°F).
The coldest month (with the lowest average sea temperature) is April (53.9°F).

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

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

  • Average sunshine in April: 10h

Months with most sunshine are May, June and July (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 5h).

Average UV index in April - Santa Cruz, CA
  • Average UV index in April: 7

Months with the highest UV index are June, July and August (UV index 9).
Months with the lowest UV index are January and December (UV index 2).