October weather forecast and climate
Arcadia, CA

Weather in October

October, like September, in Arcadia, California, is a moderately hot autumn month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 78.3°F (25.7°C).

Temperature

In Arcadia, the average high-temperature slightly decreases, from a moderately hot 85.3°F (29.6°C) in September, to a still warm 78.3°F (25.7°C). In October, in Arcadia, the average low-temperature is 58.1°F (14.5°C).

Humidity

In October, the average relative humidity in Arcadia is 48%.

Rainfall

In October, the rain falls for 2.8 days. Throughout October, 0.24" (6mm) of precipitation is accumulated. In Arcadia, during the entire year, the rain falls for 48.7 days and collects up to 7.48" (190mm) of precipitation.

Daylight

In Arcadia, California, the average length of the day in October is 11.3h.

Sunshine

In October, the average sunshine is 8.7h.

UV index

In Arcadia, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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 temperature in October in Arcadia?

In October, the average high-temperature is 78.3°F (25.7°C), and the average low-temperature is 58.1°F (14.5°C).

What is the average humidity in October in Arcadia?

In October, the average relative humidity in Arcadia, California, is 48%.

How much does it rain in Arcadia in October?

In October, the rain falls for 2.8 days. Throughout October, 0.24" (6mm) of precipitation is accumulated.

How many hours of daylight does Arcadia have in October?

In Arcadia, California, the average length of the day in October is 11.3h.

How many hours of sunshine does Arcadia have in October?

In Arcadia, California, the average sunshine in October is 8.7h.

How high is the UV index in October in Arcadia?

In October, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in October
Arcadia, CA

Average temperature in October - Arcadia, CA
  • Average high temperature in October: 78.3°F

The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is December (62.1°F).

  • Average low temperature in October: 58.1°F

The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).

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Average pressure in October
Arcadia, CA

Average pressure in October - Arcadia, CA
  • Average pressure in October: 29.95"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in October
Arcadia, CA

Average wind speed in October - Arcadia, CA
  • Average wind speed in October: 4.6mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

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Average humidity in October
Arcadia, CA

Average humidity in October - Arcadia, CA
  • Average humidity in October: 48%

Months with the highest relative humidity are March, May and June (56%).
The month with the lowest relative humidity is November (46%).

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Average rainfall in October
Arcadia, CA

Average rainfall in October - Arcadia, CA
  • Average rainfall in October: 0.24"

The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in October
Arcadia, CA

Average rainfall days in October - Arcadia, CA
  • Average rainfall days in October: 2.8 days

The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.3 days).

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

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

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in October: 8.7h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are January, February and December (Average sunshine: 6.9).

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Average sunshine days in October
Arcadia, CA

Average sunshine days in October - Arcadia, CA
  • Average sunshine days in October: 26.9 days

The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (22 days).

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Average UV index in October
Arcadia, CA

Average UV index in October - Arcadia, CA
  • Average UV index in October: 5

Months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in October
Arcadia, CA

Average cloud cover in October - Arcadia, CA
  • Average cloud cover in October: 10

Months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in October
Arcadia, CA

Average visibility in October - Arcadia, 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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