August weather forecastSan Juan Bautista, CA
August
Weather in August
August, the last month of the summer in San Juan Bautista, is another warm month, with an average temperature fluctuating between 54.3°F (12.4°C) and 84.7°F (29.3°C).Temperature
The highest point of temperatures falls in July and August, when the average high-temperature ascends to 84.7°F (29.3°C).Heat index
The average heat index in August is appraised at a tropical 89.6°F (32°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Know that the heat index computations account for shaded terrains and slight winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In San Juan Bautista, the average relative humidity in August is 61%.Rainfall
The months with the least rainfall in San Juan Bautista are June through September Rain falls for 0.5 days and accumulates 0.04" (1mm) of rain.Daylight
The average length of the day in August in San Juan Bautista is 13h and 31min.On the first day of August in San Juan Bautista, sunrise is at 6:12 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:35 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In August, a regular UV index of 6 translates into these guidelines:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
San Juan Bautista, CA
- Average high temperature in August: 84.7°F
The warmest months (with the highest average high temperature) are July and August (84.7°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in August: 54.3°F
The month with the highest average low temperature is August (54.3°F).
The coldest months (with the lowest average low temperature) are February, March and December (40.6°F).
Average pressure in August
San Juan Bautista, CA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in August
San Juan Bautista, CA
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is May (5.3mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).
Average humidity in August
San Juan Bautista, CA
- Average humidity in August: 61%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (58%).
Average rainfall in August
San Juan Bautista, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is December (1.02").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in August
San Juan Bautista, CA
- Average rainfall days in August: 0.5 days
The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is August (0.5 days).
Average daylight in August /
Average sunshine in August
San Juan Bautista, 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: 12h
The months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).
Average sunshine days in August
San Juan Bautista, CA
- Average sunshine days in August: 29.6 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in August
San Juan Bautista, CA
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
San Juan Bautista, CA
- Average cloud cover in August: 9
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in August
San Juan Bautista, 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).
