October weather forecast
Hat Creek, CA

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Weather in October

October, like September, in Hat Creek, California, is another enjoyable autumn month, with an average temperature varying between 65.5°F (18.6°C) and 40.1°F (4.5°C).

Temperature

Hat Creek's weather changes with the onset of October, slightly falling from a moderately hot 78.8°F (26°C) in September to a refreshing 65.5°F (18.6°C). Nightly average temperatures in October reveal a significant dip from daytime highs, registering a consistent an icy 40.1°F (4.5°C).

Humidity

The average relative humidity in October is 55%.

Rainfall

In October, the rain falls for 6.5 days. Throughout October, 1.1" (28mm) of precipitation is accumulated. In Hat Creek, during the entire year, the rain falls for 105 days and collects up to 24.69" (627mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows in Hat Creek. Throughout October, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 36.7 snowfall days, and 43.62" (1108mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 5min.
On the first day of October in Hat Creek, sunrise is at 7:03 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:02 pm PDT.

Sunshine

In Hat Creek, California, the average sunshine in October is 7.2h.

UV index

In Hat Creek, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum daily UV index of 3 during October morphs into the following directions:
Take precautions - Protection against sunburn is recommended. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

In October, in Hat Creek, the average high-temperature is 65.5°F (18.6°C), and the average low-temperature is 40.1°F (4.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in October?

In Hat Creek, the average relative humidity in October is 55%.

How many days does it rain in October?

In Hat Creek, during October, the rain falls for 6.5 days and regularly aggregates up to 1.1" (28mm) of precipitation.

When does it start snowing in Hat Creek?

October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow.

What is the average length of the day in October?

In Hat Creek, the average day length in October is 11h and 5min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 7:03 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:02 pm PDT.

How many hours of sunshine does Hat Creek have in October?

In Hat Creek, the average sunshine duration in October is 7.2h.

What is the UV index reading in October?

In Hat Creek, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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
Hat Creek, CA

Average temperature in October - Hat Creek, CA
  • Average high temperature in October: 65.5°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is December (43.3°F).

  • Average low temperature in October: 40.1°F

The month with the highest average low temperature is July (53.1°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).

Average pressure in October
Hat Creek, CA

Average pressure in October - Hat Creek, CA
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

Average wind speed in October
Hat Creek, CA

Average wind speed in October - Hat Creek, CA
  • Average wind speed in October: 5.2mph

The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in October
Hat Creek, CA

Average humidity in October - Hat Creek, CA
  • Average humidity in October: 55%

The months with the highest relative humidity are January and March (79%).
The months with the lowest relative humidity are July and August (40%).

Average rainfall in October
Hat Creek, CA

Average rainfall in October - Hat Creek, CA
  • Average rainfall in October: 1.1"

The wettest month (with the highest rainfall) is March (4.45").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in October
Hat Creek, CA

Average rainfall days in October - Hat Creek, CA
  • Average rainfall days in October: 6.5 days

The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is August (2.3 days).

Average snowfall in October
Hat Creek, CA

Average snowfall in October - Hat Creek, CA
  • Average snowfall in October: 0.12"

The month with the highest snowfall is March (10.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Hat Creek, CA

Average snowfall days in October - Hat Creek, CA
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in October /
Average sunshine in October
Hat Creek, CA

Average daylight in October / Average sunshine in October - Hat Creek, 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 42min).

Average sunshine days in October
Hat Creek, CA

Average sunshine days in October - Hat Creek, CA
  • Average sunshine days in October: 22.6 days

The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.3 days).

Average UV index in October
Hat Creek, CA

Average UV index in October - Hat Creek, 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, November and December (UV index 2).

Average cloud cover in October
Hat Creek, CA

Average cloud cover in October - Hat Creek, CA
  • Average cloud cover in October: 17

The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 6).

Average visibility in October
Hat Creek, CA

Average visibility in October - Hat Creek, CA
  • Average visibility in October: 6mi

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

Hat Creek, California, USA

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