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
During August and September, Opal Cliffs experiences its warmest period, with an average high-temperature of 73°F (22.8°C).Humidity
The average relative humidity in August in Opal Cliffs, California, 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
The months with the warmest seawater in Opal Cliffs are August and September, with an average ocean temperature of 58.1°F (14.5°C).Note: Engaging in a swim in 58.1°F (14.5°C) can threaten life. Brief exposure to 55.4°F (13°C) waters is uneasy, and submersion below 50°F (10°C) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
The average length of the day in August is 13h and 32min.On the first day of the month, sunrise is at 6:13 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
The average sunshine in August in Opal Cliffs is 11.6h.UV index
June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the warmest month in Opal Cliffs?
What is the usual temperature for Opal Cliffs in August?
What is the average humidity in August in Opal Cliffs?
What is the driest month in Opal Cliffs?
How many days does it rain in August in Opal Cliffs?
What are the months with the warmest ocean in Opal Cliffs?
What is the water temperature in August in Opal Cliffs?
What is the average length of the day in August in Opal Cliffs?
What time are sunrise and sunset in August in Opal Cliffs?
How long on average sun shines in August in Opal Cliffs?
When is the highest UV index in Opal Cliffs?
What is the UV index intensity in August in Opal Cliffs?
Average temperature in August
Opal Cliffs, 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
Opal Cliffs, 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
Opal Cliffs, 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
Opal Cliffs, 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
Opal Cliffs, 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
Opal Cliffs, 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
Opal Cliffs, 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
Opal Cliffs, 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
Opal Cliffs, 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
Opal Cliffs, 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
Opal Cliffs, 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
Opal Cliffs, 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).
Opal Cliffs, California, USA
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