October weather forecast
Etna, CA

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Weather in October

October, like September, in Etna, California, is another comfortable autumn month, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 38.1°F (3.4°C).

Temperature

In October, the average high-temperature decreases from a warm 75.9°F (24.4°C) in September to a comfortable 62.6°F (17°C). The October nights bear witness to a significant drop from the daytime highs, settling at an average temperature of 38.1°F (3.4°C).

Humidity

The average relative humidity in October is 64%.

Rainfall

In Etna, during October, the rain falls for 8 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, in Etna, California, there are 116 rainfall days, and 17.8" (452mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Etna are January through April, October through December. October is the first month it typically snows in Etna. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Etna, during the entire year, snow falls for 30.9 days and aggregates up to 20.47" (520mm) of snow.

Daylight

The average length of the day in October is 11h and 5min.
On the first day of the month, sunrise is at 7:09 am and sunset at 6:52 pm. On the last day of October, sunrise is at 7:43 am and sunset at 6:07 pm PDT.

Sunshine

The average sunshine in October is 7.2h.

UV index

In Etna, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In October, the average maximum UV index of 3 translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What are October temperatures in Etna?

An average high-temperature, in October, in Etna, is 62.6°F (17°C) and the average low-temperature is 38.1°F (3.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in August is computed to be 86°F (30°C).

What is the average humidity in October in Etna?

In October, the average relative humidity in Etna is 64%.

How many days does it rain in October in Etna?

In Etna, California, in October, it is raining for 8 days, with typically 1.14" (29mm) of accumulated precipitation.

When does it start to snow in Etna?

October is the first month it typically snows in Etna. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Etna have in October?

In October, the average day length in Etna, California, is 11h and 5min.

What time are sunrise and sunset in October in Etna?

On the first day of October in Etna, California, sunrise is at 7:09 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 6:07 pm PDT.

How long on average sun shines in October in Etna?

The average sunshine duration in October in Etna, California, is 7.2h.

What is the UV index intensity in October in Etna?

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

Average temperature in October
Etna, CA

Average temperature in October - Etna, CA
  • Average high temperature in October: 62.6°F

The warmest months (with the highest average high temperature) are July and August (84.2°F).
The month with the lowest average high temperature is December (41.5°F).

  • Average low temperature in October: 38.1°F

The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).

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Average pressure in October
Etna, CA

Average pressure in October - Etna, CA
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

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Average wind speed in October
Etna, CA

Average wind speed in October - Etna, CA
  • Average wind speed in October: 4.3mph

The windiest month (with the highest average wind speed) is March (5.4mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in October
Etna, CA

Average humidity in October - Etna, CA
  • Average humidity in October: 64%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in October
Etna, CA

Average rainfall in October - Etna, CA
  • Average rainfall in October: 1.14"

The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in October
Etna, CA

Average rainfall days in October - Etna, CA
  • Average rainfall days in October: 8 days

The month with the highest number of rainy days is March (16.7 days).
The month with the least rainy days is July (3.2 days).

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Average snowfall in October
Etna, CA

Average snowfall in October - Etna, CA
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (5.39").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Etna, CA

Average snowfall days in October - Etna, CA
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Etna, CA

Average daylight in October / Average sunshine in October - Etna, CA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).

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Average sunshine days in October
Etna, CA

Average sunshine days in October - Etna, CA
  • Average sunshine days in October: 21.3 days

The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11 days).

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Average UV index in October
Etna, CA

Average UV index in October - Etna, CA
  • Average UV index in October: 3

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

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Average cloud cover in October
Etna, CA

Average cloud cover in October - Etna, CA
  • Average cloud cover in October: 24

The months with the most cloud cover are March and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in October
Etna, CA

Average visibility in October - Etna, CA
  • Average visibility in October: 6mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).

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Etna, California, USA

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