Weathermondo.com
United StatesThe weather in August in Eureka
It's pleasantly warm in August in Eureka with an average temperature of 19°C. Temperatures this month range from a low of 17°C to a high of 21°C. At night, you can expect temperatures between 11°C and 14°C.
Looking for great weather? August is a good time to be in Eureka. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Eureka, 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 28°C in 2020, Eureka reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 13°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 17°C.
Water temperature
The water temperature at Eureka is 18°C this month. You can swim, but it's a bit chilly.
Rainfall amount
According to weather history, there is only 8,9 mm of precipitation in August. The wind speed is around 4 Bft, mostly coming from the West.
Daily weather in August for Eureka
Click on any day in August to get detailed info about the usual weather on that day in Eureka. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Eureka | New York | |
|---|---|---|
| Average temperature | 19°C | 30°C |
| Max. temperature | 21°C | 31°C |
| Min. temperature | 11°C | -5°C |
| Total precipitation | 8,9 mm | 79 mm |
| Rainy days | 1 day | 13 days |
Start of August
The month of August starts in Eureka with mild temps, averaging around 19°C during the day and nights around 13°C.
Mid August
By mid-August, daytime temps stay steady at around 19°C, with nights around 13°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 Eureka is around 19°C, while nighttime temps are about 12°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Find affordable trips to Eureka
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.
Check out the climate of Eureka for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Eureka, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Eureka
Temperature in August in Eureka over the years
Precipitation charts
These charts show the average amount of precipitation in August in Eureka, 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 Eureka
Total precipitation in August in Eureka over the years
Daily UV index in August in Eureka
This chart shows the average daily UV index in August in Eureka, 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 Eureka
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Average weather in Eureka by month
Click on a month below to see detailed weather info for Eureka. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.