October weather forecast
Mount Shasta, CA

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The Lake Siskiyou on the base of Mount Shasta in California, and a view of the planted forest, the far suspension bridge, and snowy mountain peak
The Lake Siskiyou on the base of Mount Shasta in California, and a view of the planted forest, the far suspension bridge, and snowy mountain peak

Weather in October

October, the same as September, is another refreshing autumn month in Mount Shasta, California, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 39.4°F (4.1°C).

Temperature

Observing a mild shift, the average high-temperature during October reduces from September's moderately hot 76.1°F (24.5°C) to a comfortable 62.4°F (16.9°C). Mount Shasta sees a consistent average low-temperature of 39.4°F (4.1°C) in October, indicating a substantial decrease from the day's temperature.

Humidity

In October, the average relative humidity in Mount Shasta is 60%.

Rainfall

In October, the rain falls for 6.6 days. Throughout October, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 90.7 rainfall days, and 26.38" (670mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Mount Shasta. In Mount Shasta, in October, snow falls for 0.8 days, with typically accumulated 1.42" (36mm) of snow. Throughout the year, there are 50.2 snowfall days, and 81.42" (2068mm) of snow is accumulated.

Daylight

In October, the average length of the day in Mount Shasta is 11h and 5min.
On the first day of the month, sunrise is at 7:06 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:40 am and sunset at 6:05 pm PDT.

Sunshine

In Mount Shasta, the average sunshine in October is 7.1h.

UV index

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In October, the maximum UV index of 3 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October in Mount Shasta?

The average high-temperature and low-temperature during October are 62.4°F (16.9°C) and 39.4°F (4.1°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 84.2°F (29°C).

What is the average humidity in October?

In Mount Shasta, the average relative humidity in October is 60%.

How much does it rain in October?

In Mount Shasta, California, in October, during 6.6 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

How many days does it snow in October?

In Mount Shasta, in October, snow falls for 0.8 days, with typically accumulated 1.42" (36mm) of snow.

What is the average length of the day in October?

The average day length in October is 11h and 5min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 7:06 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 6:05 pm PDT.

How long on average sun shines in October?

In October, the average sunshine duration is 7.1h.

How high is the UV index in October?

The average daily maximum UV index in October in Mount Shasta is 3. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Mount Shasta, CA

Average temperature in October - Mount Shasta, CA
  • Average high temperature in October: 62.4°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (40.8°F).

  • Average low temperature in October: 39.4°F

The month with the highest average low temperature is July (52.2°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).

Average pressure in October
Mount Shasta, CA

Average pressure in October - Mount Shasta, CA
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).

Average wind speed in October
Mount Shasta, CA

Average wind speed in October - Mount Shasta, CA
  • Average wind speed in October: 5mph

The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in October
Mount Shasta, CA

Average humidity in October - Mount Shasta, CA
  • Average humidity in October: 60%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (45%).

Average rainfall in October
Mount Shasta, CA

Average rainfall in October - Mount Shasta, CA
  • Average rainfall in October: 1.61"

The wettest month (with the highest rainfall) is March (4.69").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in October
Mount Shasta, CA

Average rainfall days in October - Mount Shasta, CA
  • Average rainfall days in October: 6.6 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (2.3 days).

Average snowfall in October
Mount Shasta, CA

Average snowfall in October - Mount Shasta, CA
  • Average snowfall in October: 1.42"

The month with the highest snowfall is January (19.21").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Mount Shasta, CA

Average snowfall days in October - Mount Shasta, CA
  • Average snowfall days in October: 0.8 days

The month with the highest number of snowfall days is December (10.9 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in October /
Average sunshine in October
Mount Shasta, CA

Average daylight in October / Average sunshine in October - Mount Shasta, 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 18min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in October
Mount Shasta, CA

Average sunshine days in October - Mount Shasta, CA
  • Average sunshine days in October: 22.3 days

The months with the most sunshine days are July and August (25.7 days).
The month with the least sunshine days is March (12.3 days).

Average UV index in October
Mount Shasta, CA

Average UV index in October - Mount Shasta, CA
  • Average UV index in October: 3

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

Average cloud cover in October
Mount Shasta, CA

Average cloud cover in October - Mount Shasta, CA
  • Average cloud cover in October: 21

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in October
Mount Shasta, CA

Average visibility in October - Mount Shasta, CA
  • Average visibility in October: 6mi

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

Mount Shasta, California, USA

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