October weather forecast
Eureka, UT

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Weather in October

October, the same as September, in Eureka, Utah, is another mild autumn month, with an average temperature fluctuating between 37.9°F (3.3°C) and 59°F (15°C).

Temperature

A noticeable downshift in temperatures is seen as September gives way to October, with average highs moving from a warm 75.6°F (24.2°C) to a mild 59°F (15°C). Throughout October, Eureka registers a consistent average low-temperature of 37.9°F (3.3°C).

Humidity

The average relative humidity in October is 50%.

Rainfall

In Eureka, in October, it is raining for 7.5 days, with typically 0.79" (20mm) of accumulated precipitation. In Eureka, Utah, during the entire year, the rain falls for 99.7 days and collects up to 11.61" (295mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows in Eureka. Throughout October, in the average 1.4 snowfall days, it receives 0.67" (17mm) of snow. Throughout the year, there are 56.2 snowfall days, and 40.47" (1028mm) of snow is accumulated.

Daylight

In October, the average length of the day in Eureka is 11h and 8min.
On the first day of the month, sunrise is at 7:25 am and sunset at 7:10 pm. On the last day of October, sunrise is at 7:57 am and sunset at 6:26 pm MDT.

Sunshine

The average sunshine in October is 7.7h.

UV index

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In October, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Eureka?

October temperatures in Eureka vary between a high-temperature of 59°F (15°C) and a low-temperature of 37.9°F (3.3°C).

What is the average humidity in October in Eureka?

In Eureka, Utah, the average relative humidity in October is 50%.

How much does it rain in Eureka in October?

In Eureka, in October, it is raining for 7.5 days, with typically 0.79" (20mm) of accumulated precipitation.

When does it start snowing in Eureka?

October is the first month it typically snows in Eureka. Throughout October, in the average 1.4 snowfall days, it receives 0.67" (17mm) of snow.

What is the average length of the day in October in Eureka?

In Eureka, Utah, the average day length in October is 11h and 8min.

What time are sunrise and sunset in October in Eureka?

On the first day of October, sunrise is at 7:25 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 6:26 pm MDT.

How long on average sun shines in October in Eureka?

The average sunshine duration in October is 7.7h.

How high is the UV index in October in Eureka?

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Eureka, UT

Average temperature in October - Eureka, UT
  • Average high temperature in October: 59°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in October: 37.9°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in October
Eureka, UT

Average pressure in October - Eureka, UT
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in October
Eureka, UT

Average wind speed in October - Eureka, UT
  • Average wind speed in October: 5.2mph

The windiest months (with the highest average wind speed) are April and June (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

Average humidity in October
Eureka, UT

Average humidity in October - Eureka, UT
  • Average humidity in October: 50%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (34%).

Average rainfall in October
Eureka, UT

Average rainfall in October - Eureka, UT
  • Average rainfall in October: 0.79"

The wettest month (with the highest rainfall) is March (1.57").
The driest month (with the least rainfall) is June (0.43").

Average rainfall days in October
Eureka, UT

Average rainfall days in October - Eureka, UT
  • Average rainfall days in October: 7.5 days

The month with the highest number of rainy days is April (11.7 days).
The month with the least rainy days is June (5.3 days).

Average snowfall in October
Eureka, UT

Average snowfall in October - Eureka, UT
  • Average snowfall in October: 0.67"

The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Eureka, UT

Average snowfall days in October - Eureka, UT
  • Average snowfall days in October: 1.4 days

The month with the highest number of snowfall days is December (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Eureka, UT

Average daylight in October / Average sunshine in October - Eureka, UT
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 7h and 4min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in October
Eureka, UT

Average sunshine days in October - Eureka, UT
  • Average sunshine days in October: 21.2 days

The month with the most sunshine days is June (22 days).
The month with the least sunshine days is February (13.9 days).

Average UV index in October
Eureka, UT

Average UV index in October - Eureka, UT
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in October
Eureka, UT

Average cloud cover in October - Eureka, UT
  • Average cloud cover in October: 16

The months with the most cloud cover are January and December (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in October
Eureka, UT

Average visibility in October - Eureka, UT
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Eureka, Utah, USA

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