August weather forecastChula Vista, CA
August
Weather in August
In August, the exciting wave of summer continues to dominate Chula Vista's climate. The town luxuriates in a wonderful balance of warm temperatures and prolonged sunshine hours. There's a moderated dip in temperatures from July to 79.2°F (26.2°C), coupled with decreasing cloud coverage to 8%. Nature shines in its full glory, offering perfect conditions for day-outing or strolling around the town in the evenings. Albeit being the tail-end of summer, August still resonates with vibrancy and vivacity.Temperature
In Chula Vista, August is the warmest month, with temperatures averaging a high of 79.2°F (26.2°C) and a low of 66.7°F (19.3°C).Humidity
In Chula Vista, the average relative humidity in August is 67%.Rainfall
In Chula Vista, in August, during 2.6 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. In Chula Vista, California, during the entire year, the rain falls for 51 days and collects up to 5.63" (143mm) of precipitation.Ocean temperature
The month with the warmest seawater in Chula Vista, California, is August, with an average ocean temperature of 68°F (20°C).Note: The enjoyment of swimming decreases for most when the surface water temperature is 68°F (20°C). Breathing control becomes increasingly challenging as temperatures descend below 69.8°F (21°C).
Daylight
In Chula Vista, the average length of the day in August is 13h and 19min.On the first day of August in Chula Vista, sunrise is at 6:03 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:13 pm PDT.
Sunshine
In Chula Vista, the average sunshine in August is 11.9h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. 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
Average temperature in August
Chula Vista, CA
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in August: 66.7°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is February (51.1°F).
Average pressure in August
Chula Vista, 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
Chula Vista, CA
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is October (5mph).
Average humidity in August
Chula Vista, CA
- Average humidity in August: 67%
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (58%).
Average rainfall in August
Chula Vista, CA
- Average rainfall in August: 0.24"
The wettest month (with the highest rainfall) is February (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in August
Chula Vista, CA
- Average rainfall days in August: 2.6 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.7 days).
Average sea temperature in August
Chula Vista, CA
- Average sea temperature in August: 67.9°F
The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).
Average daylight in August /
Average sunshine in August
Chula Vista, 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: 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 42min).
Average sunshine days in August
Chula Vista, CA
- Average sunshine days in August: 25.6 days
The month with the most sunshine days is June (27.2 days).
The month with the least sunshine days is February (21.1 days).
Average UV index in August
Chula Vista, CA
- Average UV index in August: 6
The months with the highest UV index are June, 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
Chula Vista, CA
- Average cloud cover in August: 8
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 8).
Average visibility in August
Chula Vista, 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).
