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

August 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
August, the last month of the summer, in Santa Cruz, is also a moderately hot month, with average temperature fluctuating between 74.3°F (23.5°C) and 54°F (12.2°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still warm 74.3°F (23.5°C). The average low-temperature, in Santa Cruz, is 54°F (12.2°C).

Rainfall

In Santa Cruz, California, during 0.7 rainfall days, 0" (1mm) of precipitation is typically accumulated. Throughout the year, there are 66.2 rainfall days, and 31.5" (801mm) of precipitation is accumulated.

Ocean temperature

In Santa Cruz, the average seawater temperature in August is 57.9°F (14.4°C). Swimming in 57.9°F (14.4°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In August, the average length of the day is 13.5h.

Sunshine

The average sunshine in Santa Cruz is 10h.

UV index

June through August, with an average maximum UV index of 9, are months with the highest UV index. A UV Index estimate of 8 to 10 represents a very high threat to health from unsafe exposure to the UV radiation for ordinary individuals.
The daily maximum UV index of 9 interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 August in Santa Cruz?

The average high-temperature, in August, is 74.3°F (23.5°C), while the average low-temperature is 54°F (12.2°C).

How much does it rain in Santa Cruz in August?

In Santa Cruz, California, during August, the rain falls for 0.7 days and regularly aggregates up to 0" (1mm) of precipitation.

How cold is the water in August in Santa Cruz?

In August, the average ocean temperature in Santa Cruz, California, is 57.9°F (14.4°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 average length of the day in August in Santa Cruz?

In August, the average length of the day is 13.5h.

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

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

When is the highest UV index in Santa Cruz?

June through August, with an average maximum UV index of 9, are months with the highest UV index in Santa Cruz, California.

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

The average daily maximum UV index in August is 9. A UV Index estimate of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV rays.
Average temperature in August - Santa Cruz, CA
  • Average high temperature in August: 74.3°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 August: 53.9°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 August - Santa Cruz, CA
  • Average rainfall in August: 0"

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 August - Santa Cruz, CA
  • Average rainfall days in August: 0.7 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 August - Santa Cruz, CA
  • Average sea temperature in August: 58°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 August / Average sunshine in August - Santa Cruz, CA
  • Average daylight in August: 13.5h

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 August: 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 August - Santa Cruz, CA
  • Average UV index in August: 9

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).