August weather forecastSeaside, CA
August
Weather in August
The last month of the summer, August, is another pleasant month in Seaside, California, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 55.2°F (12.9°C).Temperature
Transitioning from July to August, Seaside observes an average high-temperature of a still pleasant 72.1°F (22.3°C), differing subtly from the previous month. Seaside experiences an average temperature drop to a fresh 55.2°F (12.9°C) during August nights.Humidity
In August, the average relative humidity is 75%.Rainfall
July and August are months with the least rain when the rain falls for 1.1 days and typically aggregates up to 0.08" (2mm) of rain.Daylight
In August, the average length of the day is 13h and 31min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:36 pm PDT.
Sunshine
The average sunshine in August is 11.9h.UV index
June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 5 in August transforms into this advice:
Exercise prevention - Warding off sunburn is urged. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Seaside, CA
- Average high temperature in August: 72.1°F
The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (57.2°F).
- Average low temperature in August: 55.2°F
The months with the highest average low temperature are August and September (55.2°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in August
Seaside, 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
Seaside, CA
- Average wind speed in August: 5.6mph
The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in August
Seaside, CA
- Average humidity in August: 75%
The months with the highest relative humidity are March and May (76%).
The month with the lowest relative humidity is November (68%).
Average rainfall in August
Seaside, CA
- Average rainfall in August: 0.08"
The wettest month (with the highest rainfall) is December (2.4").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in August
Seaside, CA
- Average rainfall days in August: 1.1 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.1 days).
Average daylight in August /
Average sunshine in August
Seaside, CA
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 11h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in August
Seaside, CA
- Average sunshine days in August: 27.2 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in August
Seaside, CA
- Average UV index in August: 5
The months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in August
Seaside, CA
- Average cloud cover in August: 12
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in August
Seaside, 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).
