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United StatesThe weather in October in Eureka
It's cool to moderate in October in Eureka with an average temperature of 17°C. Temperatures this month range from a low of 16°C to a high of 19°C. At night, you can expect temperatures between 6°C and 10°C.
Looking for sun and warm weather? October isn’t a good month to be in Eureka. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in October 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 30°C in 2019, Eureka reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 11°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 16°C.
Water temperature
The water temperature at Eureka is 12°C this month. This is too cold to swim without protective gear.
Rainfall amount
In October, there is an average of 92 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in October for Eureka
Click on any day in October 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.
October weather comparison
| Eureka | New York | |
|---|---|---|
| Average temperature | 17°C | 21°C |
| Max. temperature | 19°C | 26°C |
| Min. temperature | 6°C | -5°C |
| Total precipitation | 92 mm | 119 mm |
| Rainy days | 11 days | 13 days |
Start of October
The month of October starts in Eureka with mild temps, averaging around 18°C during the day and nights around 10°C.
Mid October
By mid-October, daytime temps stay steady at around 18°C, with nights around 9°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of October
By the end of October, the average daytime temperature in Eureka is around 18°C, while nighttime temps are about 9°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 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 October in Eureka, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in October in Eureka
Temperature in October in Eureka over the years
Precipitation charts
These charts show the average amount of precipitation in October 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 October in Eureka
Total precipitation in October in Eureka over the years
Daily UV index in October in Eureka
This chart shows the average daily UV index in October 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 October 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.