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
In Lake Forest, the month of August registers the highest temperatures, averaging 82°F (27.8°C) at the peak and 64.4°F (18°C) at the lowest.Heat index
For most parts of August, the heat index is calculated to be 84.2°F (29°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. 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 highly important for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The average relative humidity in August in Lake Forest is 62%.Rainfall
In Lake Forest, California, during August, the rain falls for 3.3 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 65.4 rainfall days, and 9.17" (233mm) of precipitation is accumulated.Daylight
The average length of the day in August in Lake Forest 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 Lake Forest, sunrise is at 6:24 am and sunset at 7:17 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 September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during August leads to these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the hottest time of year in Lake Forest?
What is the average August temperature in Lake Forest?
What is the average humidity in August in Lake Forest?
How much does it rain in Lake Forest in August?
How many hours of daylight does Lake Forest have in August?
What time are sunrise and sunset in August in Lake Forest?
What is the month with the most sunshine in Lake Forest?
How long on average sun shines in August in Lake Forest?
When is the highest UV index in Lake Forest?
What is the UV index intensity in August in Lake Forest?
Average temperature in August
Lake Forest, CA
- Average high temperature in August: 82°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in August: 64.4°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in August
Lake Forest, 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
Lake Forest, CA
- Average wind speed in August: 4.5mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.5mph).
Average humidity in August
Lake Forest, CA
- Average humidity in August: 62%
The months with the highest relative humidity are May and June (69%).
The month with the lowest relative humidity is November (55%).
Average rainfall in August
Lake Forest, CA
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in August
Lake Forest, CA
- Average rainfall days in August: 3.3 days
The month with the highest number of rainy days is March (8.1 days).
The month with the least rainy days is June (2 days).
Average daylight in August /
Average sunshine in August
Lake Forest, CA
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
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
Lake Forest, CA
- Average sunshine days in August: 23.8 days
The months with the most sunshine days are January and October (24.2 days).
The month with the least sunshine days is May (19.3 days).
Average UV index in August
Lake Forest, 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
Lake Forest, CA
- Average cloud cover in August: 6
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in August
Lake Forest, 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).
Lake Forest, California, USA
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