Average weather for Eureka in October
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.
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. There’s little chance of precipitation. The weather’s mostly sunny and dry.
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.
Water temperature
The water temperature at Eureka is 12°C this month. This is too cold to swim without protective gear.
In October, there is an average of 92 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the South.
Eureka in October |
New York | ||
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17°C | 21°C | |
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19°C | 26°C | |
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16°C | -5°C | |
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92 mm | 119 mm | |
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7 days | 13 days |
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.
Is October a good time to visit Eureka?
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.
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.
Check out the climate of Eureka for all months and discover the best travel time
Daily Temperature in October in Eureka
This chart shows the average daily high and low temperatures in October 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 October in Eureka
The chart below shows the average daily precipitation in October 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 October, you can expect about 7 days of precipitation in Eureka.
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.
Temperature in October in Eureka over the years
This chart shows the average temperature in October in Eureka, measured in degrees Celsius, over the past few years.
Total precipitation in October in Eureka over the years
This chart shows the average precipitation in October in Eureka, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.































Weather experiences in October in Eureka
Have you been to Eureka in October?
Share your weather experience in October 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.