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 an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 65.3°F (18.5°C).Heat index
The heat index in August is computed to be a tropical 89.6°F (32°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
In August, the average relative humidity is 60%.Rainfall
In Santee, in August, it is raining for 2.9 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, there are 47.9 rainfall days, and 5.31" (135mm) of precipitation is accumulated.Daylight
The average length of the day in August is 13h and 19min.On the first day of the month, sunrise is at 6:02 am and sunset at 7:46 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:13 pm PDT.
Sunshine
The average sunshine in August is 12h.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 threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 6 during August, leads to the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
How hot is August?
What is the average humidity in August?
How much does it rain in August?
What is the average length of the day in August?
When are sunrise and sunset in August?
How many hours of sunshine does Santee have in August?
What are the months with the highest UV index?
How high is the UV index in August?
Average temperature in August
Santee, CA
- Average high temperature in August: 84.7°F
The warmest month (with the highest average high temperature) is August (84.7°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in August: 65.3°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (46.9°F).
Average pressure in August
Santee, CA
- Average pressure in August: 29.88"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).
Average wind speed in August
Santee, CA
- Average wind speed in August: 4.4mph
The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest month (with the lowest average wind speed) is October (4.2mph).
Average humidity in August
Santee, CA
- Average humidity in August: 60%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (54%).
Average rainfall in August
Santee, CA
- Average rainfall in August: 0.2"
The wettest month (with the highest rainfall) is February (1.14").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Santee, CA
- Average rainfall days in August: 2.9 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.4 days).
Average daylight in August /
Average sunshine in August
Santee, 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 month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in August
Santee, CA
- Average sunshine days in August: 23.5 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is February (22.3 days).
Average UV index in August
Santee, 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, November and December (UV index 4).
Average cloud cover in August
Santee, CA
- Average cloud cover in August: 7
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in August
Santee, 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).
Santee, California, USA
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