Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The warmest period is usually observed in August and September, with the average high-temperature peaking at 73°F (22.8°C).Humidity
In August, the average relative humidity in Rio del Mar is 74%.Rainfall
The months with the least rainfall in Rio del Mar are July and August Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.Ocean temperature
August and September, with an average ocean temperature of 58.1°F (14.5°C), are months with the warmest seawater.Note: Swimming in 58.1°F (14.5°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
The average length of the day in August in Rio del Mar, California, is 13h and 32min.On the first day of August in Rio del Mar, sunrise is at 6:13 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:36 pm PDT.
Sunshine
In Rio del Mar, California, the average sunshine in August is 11.6h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during August leads to these advisories:
Put precautions into practice - Ensuring skin and eye safety is a necessity. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Rio del Mar?
What are August temperatures in Rio del Mar?
What is the average humidity in August in Rio del Mar?
What is the driest month in Rio del Mar?
How many days does it rain in August in Rio del Mar?
What are the months with the warmest ocean in Rio del Mar?
What is the water temperature in August in Rio del Mar?
How many hours of daylight does Rio del Mar have in August?
When is the sunrise / sunset in August in Rio del Mar?
How many hours of sunshine does Rio del Mar have in August?
What is the month with the highest UV index in Rio del Mar?
What is the UV index intensity in August in Rio del Mar?
Average temperature in August
Rio del Mar, 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
Rio del Mar, 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
Rio del Mar, 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
Rio del Mar, 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
Rio del Mar, 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
Rio del Mar, 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
Rio del Mar, CA
- Average sea temperature in August: 58.1°F
The best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).
Average daylight in August /
Average sunshine in August
Rio del Mar, CA
- Average daylight in August: 13h and 3min
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 4min
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
Rio del Mar, 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
Rio del Mar, 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
Rio del Mar, 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
Rio del Mar, 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).
Rio del Mar, California, USA
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