August weather forecastCarlsbad, CA
August
Weather in August
August maintains July's climate trend, designating it as the peak summer month in Carlsbad. Sunny days, lesser cloud cover, and a decrease in wind speed define the weather. Outdoor enthusiasts can enjoy a variety of activities under a sky lit by an average of 13.3 hours of daylight. Temperatures escalate, setting the record high for the year at 78.6°F (25.9°C). Additionally, it is an ideal time for water sports with sea temperatures reaching their yearly maximum.Temperature
In Carlsbad, August is the warmest month, with temperatures averaging a high of 78.6°F (25.9°C) and a low of 64.2°F (17.9°C).Humidity
The average relative humidity in August is 69%.Rainfall
In Carlsbad, in August, it is raining for 4.3 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, there are 68.2 rainfall days, and 9.49" (241mm) of precipitation is accumulated.Ocean temperature
July and August, with an average ocean temperature of 68°F (20°C), are months with the warmest seawater.Note: The majority find it unenjoyable to swim in 68°F (20°C). Breathing becomes tougher as the water temperature descends under 69.8°F (21°C).
Daylight
In August, the average length of the day is 13h and 20min.On the first day of the month, sunrise is at 6:03 am and sunset at 7:48 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:15 pm PDT.
Sunshine
The months with the most sunshine are July and August, 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 threat to health from exposure to the Sun's UV rays for the average person.Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Carlsbad, CA
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in August: 64.2°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).
Average pressure in August
Carlsbad, CA
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in August
Carlsbad, CA
- Average wind speed in August: 5mph
The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in August
Carlsbad, CA
- Average humidity in August: 69%
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (60%).
Average rainfall in August
Carlsbad, CA
- Average rainfall in August: 0.35"
The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in August
Carlsbad, CA
- Average rainfall days in August: 4.3 days
The month with the highest number of rainy days is March (8 days).
The month with the least rainy days is June (2.7 days).
Average sea temperature in August
Carlsbad, CA
- Average sea temperature in August: 68°F
The best month for swimming (with the highest average sea temperature) is August (68°F).
The coldest months (with the lowest average sea temperature) are January and February (58.7°F).
Average daylight in August /
Average sunshine in August
Carlsbad, CA
- Average daylight in August: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in August
Carlsbad, CA
- Average sunshine days in August: 21.8 days
The month with the most sunshine days is October (24.2 days).
The month with the least sunshine days is February (20 days).
Average UV index in August
Carlsbad, 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
Carlsbad, CA
- Average cloud cover in August: 8
The month with the most cloud cover is December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in August
Carlsbad, 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).
