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
Temperature readings reach their annual highs in August, averaging 83.3°F (28.5°C) and a minimum average of 63°F (17.2°C).Heat index
During August, the heat index is estimated at a tropical 86°F (30°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Heat index determinations are made taking into account the shade and light air movements. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In August, the average relative humidity is 61%.Rainfall
In August, in Fallbrook, the rain falls for 3.6 days. Throughout August, 0.31" (8mm) of precipitation is accumulated. In Fallbrook, California, during the entire year, the rain falls for 63.6 days and collects up to 8.98" (228mm) of precipitation.Daylight
In Fallbrook, the average length of the day in August is 13h and 21min.On the first day of August in Fallbrook, sunrise is at 6:02 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:15 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine in Fallbrook, California.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 6 in August transforms into this advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What time of the year is the hottest in Fallbrook?
How hot is it in Fallbrook in August?
What is the average humidity in August in Fallbrook?
How many days does it rain in August in Fallbrook?
How many hours of daylight does Fallbrook have in August?
When are sunrise and sunset in August in Fallbrook?
What is the month with the most sunshine in Fallbrook?
How many hours of sunshine does Fallbrook have in August?
What is the month with the highest UV index in Fallbrook?
What is the UV index reading in August in Fallbrook?
Average temperature in August
Fallbrook, CA
- Average high temperature in August: 83.3°F
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (63°F).
- Average low temperature in August: 63°F
The month with the highest average low temperature is August (63°F).
The coldest months (with the lowest average low temperature) are February and December (46.9°F).
Average pressure in August
Fallbrook, CA
- Average pressure in August: 29.88"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Fallbrook, CA
- Average wind speed in August: 4.5mph
The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).
Average humidity in August
Fallbrook, CA
- Average humidity in August: 61%
The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is November (55%).
Average rainfall in August
Fallbrook, CA
- Average rainfall in August: 0.31"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Fallbrook, CA
- Average rainfall days in August: 3.6 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (1.2 days).
Average daylight in August /
Average sunshine in August
Fallbrook, 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
Fallbrook, CA
- Average sunshine days in August: 24.8 days
The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is February (20 days).
Average UV index in August
Fallbrook, CA
- Average UV index in August: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in August
Fallbrook, 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
Fallbrook, 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).
Fallbrook, California, USA
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