August weather forecastSanta Cruz, CA
August
Weather in August
August continues the sunny and warm spell from the peak summer month of July in Santa Cruz. A high temperature of 73°F (22.8°C) and a record low rainfall of just 0.04" (1mm) make August the ultimate beach goer's month. Winds remain calm, marking the perfect crescendo for surfing and kiteboarding events. The outdoor conditions remain great throughout the month, with long daylight hours and an average UV index of 5. Embracing the Pacific waves under the bright sunshine remains a captivating thought, hammering in the allure of Santa Cruz summers.Temperature
August and September mark Santa Cruz's peak of temperatures, averaging a high-temperature of 73°F (22.8°C).Humidity
The average relative humidity in August is 74%.Rainfall
The months with the least rainfall are July and August Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.Ocean temperature
In Santa Cruz, the average seawater temperature in August is 57.9°F (14.4°C).Note: It is advised against swimming in 57.9°F (14.4°C) when it drops below 50°F (10°C). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
In Santa Cruz, the average length of the day in August is 13h and 32min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:37 pm PDT.
Sunshine
In August, the average sunshine is 11.6h.UV index
June through September, with an average maximum UV index of 5, are months with the highest UV index in Santa Cruz, California. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during August translates into the following guidance:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Santa Cruz, CA
- Average high temperature in August: 73°F
The warmest months (with the highest average high temperature) are August and September (73°F).
The month with the lowest average high temperature is December (57.2°F).
- Average low temperature in August: 54.7°F
The month with the highest average low temperature is September (55.2°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).
Average pressure in August
Santa Cruz, CA
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in August
Santa Cruz, CA
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in August
Santa Cruz, CA
- Average humidity in August: 74%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).
Average rainfall in August
Santa Cruz, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is December (2.8").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in August
Santa Cruz, CA
- Average rainfall days in August: 1.2 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.2 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: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 11h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in August
Santa Cruz, CA
- Average sunshine days in August: 27.8 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.4 days).
Average UV index in August
Santa Cruz, CA
- Average UV index in August: 5
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and November (UV index 3).
Average cloud cover in August
Santa Cruz, CA
- Average cloud cover in August: 17
The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 15).
Average visibility in August
Santa Cruz, CA
- Average visibility in August: 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).
