United StatesThe weather in August in Walnut Creek
It's warm in August in Walnut Creek with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 35°C. At night, you can expect temperatures between 15°C and 18°C.
Looking for great weather? August is a good time to be in Walnut Creek. The temperatures are nice, and there’s little chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Walnut Creek, California. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 41°C in 2020, Walnut Creek reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 18°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 25°C.
Rainfall amount
According to weather history, there is only 1,4 mm of precipitation in August. The wind speed is around 4 Bft, mostly coming from the West.
Daily weather in August for Walnut Creek
Click on any day in August to get detailed info about the usual weather on that day in Walnut Creek. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Walnut Creek | New York | |
|---|---|---|
| Average temperature | 29°C | 30°C |
| Max. temperature | 35°C | 31°C |
| Min. temperature | 15°C | -5°C |
| Total precipitation | 1,4 mm | 79 mm |
| Rainy days | 1 day | 13 days |
Start of August
The month of August starts in Walnut Creek with hot temps, averaging around 29°C during the day and nights around 17°C.
Mid August
By mid-August, daytime temps rise to around 31°C, with nights around 17°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
End of August
By the end of August, the average daytime temperature in Walnut Creek is around 30°C, while nighttime temps are about 17°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
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UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
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Temperature charts
These charts show the average temperatures in August in Walnut Creek, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Walnut Creek
Temperature in August in Walnut Creek over the years
Precipitation charts
These charts show the average amount of precipitation in August in Walnut Creek, California. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Walnut Creek
Total precipitation in August in Walnut Creek over the years
Daily UV index in August in Walnut Creek
This chart shows the average daily UV index in August in Walnut Creek, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Walnut Creek
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Average weather in Walnut Creek by month
Click on a month below to see detailed weather info for Walnut Creek. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.