October weather forecast and climate
El Cajon, CA

Weather in October

October, the same as September, is a moderately hot autumn month in El Cajon, California, with average temperature varying between 59°F (15°C) and 77.2°F (25.1°C).

Temperature

In El Cajon, California, the average high-temperature slightly decreases, from 82.6°F (28.1°C) in September, to a still moderately hot 77.2°F (25.1°C). In October, the average low-temperature is 59°F (15°C).

Humidity

In October, the average relative humidity is 58%.

Rainfall

In El Cajon, during October, the rain falls for 2.7 days and regularly aggregates up to 0.2" (5mm) of precipitation. In El Cajon, California, during the entire year, the rain falls for 56.1 days and collects up to 8.27" (210mm) of precipitation.

Daylight

In October, the average length of the day in El Cajon is 11.3h.

Sunshine

In October, the average sunshine in El Cajon is 9.1h.

UV index

The average daily maximum UV index in El Cajon is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in October in El Cajon?

The average relative humidity in October in El Cajon, California, is 58%.

How many days does it rain in October in El Cajon?

In El Cajon, in October, it is raining for 2.7 days, with typically 0.2" (5mm) of accumulated precipitation.

What is the average length of the day in October in El Cajon?

The average length of the day in October in El Cajon, California, is 11.3h.

How many hours of sunshine does El Cajon have in October?

In October, the average sunshine is 9.1h.

How high is the UV index in October in El Cajon?

In El Cajon, California, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in October
El Cajon, CA

Average temperature in October - El Cajon, CA
  • Average high temperature in October: 77.2°F

The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (63.7°F).

  • Average low temperature in October: 59°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (47.8°F).

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Average pressure in October
El Cajon, CA

Average pressure in October - El Cajon, CA
  • Average pressure in October: 29.93"

The month with the highest atmospheric pressure is January (30.09").
Months with the lowest atmospheric pressure are June and September (29.87").

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Average wind speed in October
El Cajon, CA

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

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).

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Average humidity in October
El Cajon, CA

Average humidity in October - El Cajon, CA
  • Average humidity in October: 58%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (53%).

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Average rainfall in October
El Cajon, CA

Average rainfall in October - El Cajon, CA
  • Average rainfall in October: 0.2"

The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in October
El Cajon, CA

Average rainfall days in October - El Cajon, CA
  • Average rainfall days in October: 2.7 days

The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.4 days).

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Average daylight in October /
Average sunshine in October
El Cajon, CA

Average daylight in October / Average sunshine in October - El Cajon, CA
  • Average daylight in October: 11.3h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in October: 9.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in October
El Cajon, CA

Average sunshine days in October - El Cajon, CA
  • Average sunshine days in October: 26.7 days

The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (21.9 days).

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Average UV index in October
El Cajon, CA

Average UV index in October - El Cajon, CA
  • Average UV index in October: 5

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in October
El Cajon, CA

Average cloud cover in October - El Cajon, CA
  • Average cloud cover in October: 12

Months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in October
El Cajon, CA

Average visibility in October - El Cajon, CA
  • Average visibility in October: 6mi

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

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