United StatesAverage weather for Eureka in August
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.
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. No precipitation expected at the start of the month; it’ll be sunny.
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.
Water temperature
The water temperature at Eureka is 18°C this month. You can swim, but it's a bit chilly.
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.
Eureka in August |
New York | ||
|---|---|---|---|
 Average temperature |
19°C | 30°C | |
 Max. temperature |
21°C | 31°C | |
| Min. temperature |
17°C | -5°C | |
 Total precipitation |
8,9 mm | 79 mm | |
| Rainy days |
1 day | 13 days | |
July
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.
Is August a good time to visit Eureka?
Looking for great weather? August is a good time to be in Eureka. The temperatures are nice, and there’s not too much rain.
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.
Check out the climate of Eureka for all months and discover the best travel time
Daily Temperature in August in Eureka
This chart shows the average daily high and low temperatures in August for Eureka, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Eureka
The chart below shows the average daily precipitation in August for Eureka, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 1 day of precipitation in Eureka.
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.
Temperature in August in Eureka over the years
This chart shows the average temperature in August in Eureka, measured in degrees Celsius, over the past few years.
Total precipitation in August in Eureka over the years
This chart shows the average precipitation in August in Eureka, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
Weather experiences in August in Eureka
Have you been to Eureka in August?
Share your weather experience in August in Eureka.
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.
