October weather forecast
Arroyo Grande, CA

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Weather in October

October, like September, in Arroyo Grande, California, is another warm autumn month, with an average temperature ranging between max 74.3°F (23.5°C) and min 56.7°F (13.7°C).

Temperature

The arrival of October coincides with an average high-temperature of a still moderately hot 74.3°F (23.5°C), indicating a minimal shift from September's 79.5°F (26.4°C). Throughout October, a steady low-temperature average of 56.7°F (13.7°C) is noted.

Humidity

The least humid month is October, with an average relative humidity of 58%.

Rainfall

In Arroyo Grande, in October, during 2.9 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Arroyo Grande, during the entire year, the rain falls for 47.6 days and collects up to 6.93" (176mm) of precipitation.

Daylight

In Arroyo Grande, California, the average length of the day in October is 11h and 17min.
On the first day of October in Arroyo Grande, sunrise is at 6:57 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 6:08 pm PDT.

Sunshine

In October, the average sunshine is 7.6h.

UV index

In October, the average daily maximum UV index in Arroyo Grande is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 5 in October translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What is the average October temperature in Arroyo Grande?

An average high-temperature, in October, in Arroyo Grande, is 74.3°F (23.5°C) and the average low-temperature is 56.7°F (13.7°C).

What is the least humid month in Arroyo Grande?

With an average relative humidity of 58%, October is the least humid month in Arroyo Grande.

What is the average humidity in October in Arroyo Grande?

In Arroyo Grande, the average relative humidity in October is 58%.

How many days does it rain in October in Arroyo Grande?

In Arroyo Grande, in October, it is raining for 2.9 days, with typically 0.35" (9mm) of accumulated precipitation.

What is the average length of the day in October in Arroyo Grande?

The average day length in October is 11h and 17min.

When is the sunrise / sunset in October in Arroyo Grande?

On the first day of October in Arroyo Grande, California, sunrise is at 6:57 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 6:08 pm PDT.

How long on average sun shines in October in Arroyo Grande?

In Arroyo Grande, California, the average sunshine duration in October is 7.6h.

How high is the UV index in October in Arroyo Grande?

In Arroyo Grande, California, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Arroyo Grande, CA

Average temperature in October - Arroyo Grande, CA
  • Average high temperature in October: 74.3°F

The warmest month (with the highest average high temperature) is September (79.5°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in October: 56.7°F

The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).

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Average pressure in October
Arroyo Grande, CA

Average pressure in October - Arroyo Grande, CA
  • Average pressure in October: 29.97"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

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Average wind speed in October
Arroyo Grande, CA

Average wind speed in October - Arroyo Grande, CA
  • Average wind speed in October: 6.1mph

The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in October
Arroyo Grande, CA

Average humidity in October - Arroyo Grande, CA
  • Average humidity in October: 58%

The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).

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Average rainfall in October
Arroyo Grande, CA

Average rainfall in October - Arroyo Grande, CA
  • Average rainfall in October: 0.35"

The wettest month (with the highest rainfall) is March (1.61").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in October
Arroyo Grande, CA

Average rainfall days in October - Arroyo Grande, CA
  • Average rainfall days in October: 2.9 days

The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.8 days).

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Average daylight in October /
Average sunshine in October
Arroyo Grande, CA

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in October: 7h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).

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Average sunshine days in October
Arroyo Grande, CA

Average sunshine days in October - Arroyo Grande, CA
  • Average sunshine days in October: 27.4 days

The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (21 days).

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Average UV index in October
Arroyo Grande, CA

Average UV index in October - Arroyo Grande, CA
  • Average UV index in October: 5

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in October
Arroyo Grande, CA

Average cloud cover in October - Arroyo Grande, CA
  • Average cloud cover in October: 12

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in October
Arroyo Grande, CA

Average visibility in October - Arroyo Grande, 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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Arroyo Grande, California, USA

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