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
Mission Viejo's warmest month, August, generally records average temperatures ranging from a high of 80.8°F (27.1°C) to a low of 64°F (17.8°C).Heat index
For most parts of August, the heat index is calculated to be 84.2°F (29°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
In Mission Viejo, the average relative humidity in August is 64%.Rainfall
In Mission Viejo, California, during August, the rain falls for 3.1 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Mission Viejo, California, during the entire year, the rain falls for 64.1 days and collects up to 5.67" (144mm) of precipitation.Daylight
In Mission Viejo, the average length of the day in August is 13h and 22min.On the first day of the month, sunrise is at 6:03 am and sunset at 7:50 pm. On the last day of August, in Mission Viejo, sunrise is at 6:24 am and sunset at 7:16 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 12h of sunshine.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Mission Viejo. 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: The UV index of 6 during August leads to these advisories:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the hottest time of year in Mission Viejo?
What are August temperatures in Mission Viejo?
What is the average humidity in August in Mission Viejo?
How much does it rain in Mission Viejo in August?
How many hours of daylight does Mission Viejo have in August?
When is the sunrise / sunset in August in Mission Viejo?
What is the month with the most sunshine in Mission Viejo?
How long on average sun shines in August in Mission Viejo?
What are the months with the highest UV index in Mission Viejo?
What is the UV index intensity in August in Mission Viejo?
Average temperature in August
Mission Viejo, CA
- Average high temperature in August: 80.8°F
The warmest month (with the highest average high temperature) is August (80.8°F).
The month with the lowest average high temperature is December (63°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in August
Mission Viejo, CA
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in August
Mission Viejo, CA
- Average wind speed in August: 4.5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in August
Mission Viejo, CA
- Average humidity in August: 64%
The months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is November (56%).
Average rainfall in August
Mission Viejo, CA
- Average rainfall in August: 0.35"
The wettest month (with the highest rainfall) is December (0.98").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in August
Mission Viejo, CA
- Average rainfall days in August: 3.1 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is June (2.3 days).
Average daylight in August /
Average sunshine in August
Mission Viejo, CA
- Average daylight in August: 13h and 2min
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
Mission Viejo, CA
- Average sunshine days in August: 24.4 days
The months with the most sunshine days are January and August (24.4 days).
The month with the least sunshine days is May (19.5 days).
Average UV index in August
Mission Viejo, 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
Mission Viejo, CA
- Average cloud cover in August: 7
The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in August
Mission Viejo, 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).
Mission Viejo, California, USA
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