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
August, on average, is the warmest month, registering a high temperature of 77.4°F (25.2°C) and a low of 65.3°F (18.5°C).Humidity
The average relative humidity in August is 68%.Rainfall
In Seal Beach, in August, it is raining for 2.3 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, there are 57.8 rainfall days, and 8.82" (224mm) of precipitation is accumulated.Ocean temperature
July and August, with an average ocean temperature of 67.8°F (19.9°C), are months with the warmest seawater.Note: Swimming in water at 67.8°F (19.9°C) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 69.8°F (21°C) to 59°F (15°C).
Daylight
In August, the average length of the day in Seal Beach is 13h and 22min.On the first day of August, sunrise is at 6:05 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:18 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 12h of sunshine.UV index
The months with the highest UV index are July through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 6 transforms into these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
What are the temperatures in August?
What is the average humidity in August?
How many days does it rain in August?
What months are the ocean warmest?
How cold is the water in August in Seal Beach?
How many hours of daylight does Seal Beach have in August?
When are sunrise and sunset in August?
What month has the most sunshine in Seal Beach?
How many hours of sunshine does Seal Beach have in August?
What is the month with the highest UV index in Seal Beach?
What is the UV index intensity in August?
Average temperature in August
Seal Beach, CA
- Average high temperature in August: 77.4°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (62.8°F).
- Average low temperature in August: 65.3°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (52.7°F).
Average pressure in August
Seal Beach, CA
- Average pressure in August: 29.9"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in August
Seal Beach, CA
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are August, September and October (5.3mph).
Average humidity in August
Seal Beach, CA
- Average humidity in August: 68%
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (57%).
Average rainfall in August
Seal Beach, CA
- Average rainfall in August: 0.16"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Seal Beach, CA
- Average rainfall days in August: 2.3 days
The month with the highest number of rainy days is March (8.1 days).
The months with the least rainy days are June and August (2.3 days).
Average sea temperature in August
Seal Beach, CA
- Average sea temperature in August: 67.9°F
The best months for swimming (with the highest average sea temperature) are July and August (67.9°F).
The coldest month (with the lowest average sea temperature) is January (58.3°F).
Average daylight in August /
Average sunshine in August
Seal Beach, CA
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in August
Seal Beach, CA
- Average sunshine days in August: 26.3 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (19.3 days).
Average UV index in August
Seal Beach, CA
- Average UV index in August: 6
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in August
Seal Beach, CA
- Average cloud cover in August: 7
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in August
Seal Beach, 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).
Seal Beach, California, USA
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