October weather forecast
Chiriaco Summit, CA

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Weather in October

October, the same as September, is another warm autumn month in Chiriaco Summit, California, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 79.5°F (26.4°C).

Temperature

The beginning of October involves a decrease in the average high-temperature, transitioning from a hot 88.7°F (31.5°C) in September to a warm 79.5°F (26.4°C). Chiriaco Summit witnesses an average low-temperature of 63.1°F (17.3°C) throughout the month of October.

Humidity

The average relative humidity in October is 35%.

Rainfall

In October, the rain falls for 2.4 days. Throughout October, 0.2" (5mm) of precipitation is accumulated. In Chiriaco Summit, during the entire year, the rain falls for 46.2 days and collects up to 4.09" (104mm) of precipitation.

Daylight

In Chiriaco Summit, California, the average length of the day in October is 11h and 20min.
On the first day of the month, sunrise is at 6:37 am and sunset at 6:26 pm. On the last day of October, sunrise is at 7:01 am and sunset at 5:51 pm PDT.

Sunshine

In Chiriaco Summit, California, the average sunshine in October is 9.6h.

UV index

In October, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 5 in October, converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What is the usual temperature for Chiriaco Summit in October?

In Chiriaco Summit, in October, the average high-temperature is 79.5°F (26.4°C), and the average low-temperature is 63.1°F (17.3°C).

What is the average humidity in October in Chiriaco Summit?

In Chiriaco Summit, the average relative humidity in October is 35%.

How much does it rain in Chiriaco Summit in October?

In Chiriaco Summit, during October, the rain falls for 2.4 days and regularly aggregates up to 0.2" (5mm) of precipitation.

How many hours of daylight does Chiriaco Summit have in October?

The average day length in October is 11h and 20min.

When is the sunrise / sunset in October in Chiriaco Summit?

On the first day of October, sunrise is at 6:37 am and sunset at 6:26 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:51 pm PDT.

How many hours of sunshine does Chiriaco Summit have in October?

In October, the average sunshine duration in Chiriaco Summit, California, is 9.6h.

How high is the UV index in October in Chiriaco Summit?

The average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Chiriaco Summit, CA

Average temperature in October - Chiriaco Summit, CA
  • Average high temperature in October: 79.5°F

The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (60.6°F).

  • Average low temperature in October: 63.1°F

The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).

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Average pressure in October
Chiriaco Summit, CA

Average pressure in October - Chiriaco Summit, CA
  • Average pressure in October: 29.9"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

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Average wind speed in October
Chiriaco Summit, CA

Average wind speed in October - Chiriaco Summit, CA
  • Average wind speed in October: 6.7mph

The windiest month (with the highest average wind speed) is May (8.2mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

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Average humidity in October
Chiriaco Summit, CA

Average humidity in October - Chiriaco Summit, CA
  • Average humidity in October: 35%

The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (29%).

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Average rainfall in October
Chiriaco Summit, CA

Average rainfall in October - Chiriaco Summit, CA
  • Average rainfall in October: 0.2"

The wettest month (with the highest rainfall) is July (0.79").
The driest months (with the least rainfall) are May and June (0.12").

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Average rainfall days in October
Chiriaco Summit, CA

Average rainfall days in October - Chiriaco Summit, CA
  • Average rainfall days in October: 2.4 days

The month with the highest number of rainy days is July (6.9 days).
The month with the least rainy days is June (1.5 days).

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Average daylight in October /
Average sunshine in October
Chiriaco Summit, CA

Average daylight in October / Average sunshine in October - Chiriaco Summit, CA
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in October: 9h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in October
Chiriaco Summit, CA

Average sunshine days in October - Chiriaco Summit, CA
  • Average sunshine days in October: 27.4 days

The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is July (19.4 days).

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Average UV index in October
Chiriaco Summit, CA

Average UV index in October - Chiriaco Summit, CA
  • Average UV index in October: 5

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in October
Chiriaco Summit, CA

Average cloud cover in October - Chiriaco Summit, CA
  • Average cloud cover in October: 6

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).

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Average visibility in October
Chiriaco Summit, CA

Average visibility in October - Chiriaco Summit, CA
  • Average visibility in October: 6mi

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

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Chiriaco Summit, California, USA

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