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 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 is the warmest month, with the temperature often reaching an average high of 76.6°F (24.8°C) and an average low of 54.3°F (12.4°C).Humidity
The average relative humidity in August is 70%.Rainfall
June through September are months with the least rain in Castroville, California, when the rain falls for 0.7 days and typically aggregates up to 0.04" (1mm) of rain.Daylight
In August, the average length of the day in Castroville is 13h and 31min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:36 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine in Castroville, California.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In August, the maximum UV index of 5 suggests this advice:
Prioritize safety - Recommendations to avert sunburn are shared. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What is the hottest time of year in Castroville?
What are the temperatures in Castroville in August?
What is the average humidity in August in Castroville?
What is the driest month in Castroville?
How much does it rain in Castroville in August?
What is the average length of the day in August in Castroville?
What time are sunrise and sunset in August in Castroville?
What are the months with the most sunshine in Castroville?
How long on average sun shines in August in Castroville?
What is the month with the highest UV index in Castroville?
What is the UV index intensity in August in Castroville?
Average temperature in August
Castroville, CA
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is August (76.6°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 September (54.5°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).
Average pressure in August
Castroville, 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
Castroville, CA
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is May (6.5mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).
Average humidity in August
Castroville, CA
- Average humidity in August: 70%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (66%).
Average rainfall in August
Castroville, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is December (1.14").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in August
Castroville, CA
- Average rainfall days in August: 0.7 days
The month with the highest number of rainy days is March (10.2 days).
The month with the least rainy days is August (0.7 days).
Average daylight in August /
Average sunshine in August
Castroville, CA
- Average daylight in August: 13h and 3min
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
Castroville, CA
- Average sunshine days in August: 29.8 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (20 days).
Average UV index in August
Castroville, CA
- Average UV index in August: 5
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in August
Castroville, CA
- Average cloud cover in August: 11
The month with the most cloud cover is March (Cloud cover 33).
The months with the least cloud cover are July and September (Cloud cover 10).
Average visibility in August
Castroville, 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).
Castroville, California, USA
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