August weather forecastWashington, CA
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Washington, California, with an average temperature varying between 52°F (11.1°C) and 82.4°F (28°C).Temperature
During August, the average high-temperature is a still moderately hot 82.4°F (28°C), maintaining a close resemblance to that of the preceding month. Washington measures a considerable dip from daytime highs with an average low-temperature of 52°F (11.1°C) during August.Heat index
August's heat index is appraised at 82.4°F (28°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct exposure to sunshine could lead to a heat index increase 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. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In Washington, the average relative humidity in August is 40%.Rainfall
In August, the rain falls for 2.1 days. Throughout August, 0.12" (3mm) of precipitation is accumulated. Throughout the year, in Washington, California, there are 72.9 rainfall days, and 36.06" (916mm) of precipitation is accumulated.Snowfall
In Washington, California, snow does not fall in July and August.Daylight
In Washington, the average length of the day in August is 13h and 40min.On the first day of August in Washington, California, sunrise is at 6:03 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:34 pm PDT.
Sunshine
In August, the average sunshine is 11.9h.UV index
In Washington, California, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during August morphs into the following directions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Washington, CA
- Average high temperature in August: 82.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in August: 52°F
The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).
Average pressure in August
Washington, CA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Washington, CA
- Average wind speed in August: 5.1mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in August
Washington, CA
- Average humidity in August: 40%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).
Average rainfall in August
Washington, CA
- Average rainfall in August: 0.12"
The wettest month (with the highest rainfall) is March (7.09").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in August
Washington, CA
- Average rainfall days in August: 2.1 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is July (1.8 days).
Average snowfall in August
Washington, CA
- Average snowfall in August: 0"
The month with the highest snowfall is March (37.6").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Washington, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Washington, CA
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 11h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in August
Washington, CA
- Average sunshine days in August: 27.1 days
The month with the most sunshine days is July (28 days).
The month with the least sunshine days is March (12.6 days).
Average UV index in August
Washington, CA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Washington, CA
- Average cloud cover in August: 6
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in August
Washington, CA
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).
