October weather forecast
Morro Bay, CA

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The iconic Morro Rock, a famous tourist spot in Morro Bay, California
The iconic Morro Rock, a famous tourist spot in Morro Bay, California

Weather in October

October, like September, is another pleasant autumn month in Morro Bay, California, with an average temperature varying between 57.2°F (14°C) and 71.8°F (22.1°C).

Temperature

Morro Bay's October average high-temperature settles at an agreeable 71.8°F (22.1°C), showing a near match with the preceding month. During October, the temperature is averaged to a low of 57.2°F (14°C) at night.

Humidity

September and October, with an average relative humidity of 61%, are the least humid months.

Rainfall

In Morro Bay, during October, the rain falls for 2.8 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, there are 53.7 rainfall days, and 8.58" (218mm) of precipitation is accumulated.

Ocean temperature

August and October, with an average ocean temperature of 58.6°F (14.8°C), are months with the warmest seawater.
Note: With an efficient thermal swimsuit, one can navigate 58.6°F (14.8°C) even if it's colder than 50°F (10°C); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 55.4°F (13°C) feels chilly.

Daylight

In Morro Bay, the average length of the day in October is 11h and 17min.
On the first day of the month, sunrise is at 6:58 am and sunset at 6:46 pm. On the last day of October, in Morro Bay, sunrise is at 7:24 am and sunset at 6:09 pm PDT.

Sunshine

In October, the average sunshine in Morro Bay is 7.4h.

UV index

The average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 in October converts into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

In Morro Bay, 71.8°F (22.1°C) is the average high-temperature and 57.2°F (14°C) is the average low-temperature during October.

What are the least humid months?

September and October, with an average relative humidity of 61%, are the least humid months.

What is the average humidity in October?

In Morro Bay, the average relative humidity in October is 61%.

How much does it rain in October?

In Morro Bay, in October, it is raining for 2.8 days, with typically 0.47" (12mm) of accumulated precipitation.

What months are the ocean warmest?

August and October, with an average ocean temperature of 58.6°F (14.8°C), are months with the warmest seawater in Morro Bay.

What is the ocean temperature in October?

In Morro Bay, the average seawater temperature in October is 58.6°F (14.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in October?

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

When is the sunrise / sunset in October?

In October, on the first day of the month, sunrise is at 6:58 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 6:09 pm PDT.

How many hours of sunshine does Morro Bay have in October?

The average sunshine duration in October is 7.4h.

What is the UV index intensity in October?

In Morro Bay, the average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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
Morro Bay, CA

Average temperature in October - Morro Bay, CA
  • Average high temperature in October: 71.8°F

The warmest month (with the highest average high temperature) is September (76.3°F).
The month with the lowest average high temperature is December (59.2°F).

  • Average low temperature in October: 57.2°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 (47.3°F).

Average pressure in October
Morro Bay, CA

Average pressure in October - Morro Bay, 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 and September (29.91"Hg).

Average wind speed in October
Morro Bay, CA

Average wind speed in October - Morro Bay, CA
  • Average wind speed in October: 6.3mph

The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).

Average humidity in October
Morro Bay, CA

Average humidity in October - Morro Bay, CA
  • Average humidity in October: 61%

The month with the highest relative humidity is March (70%).
The months with the lowest relative humidity are September and October (61%).

Average rainfall in October
Morro Bay, CA

Average rainfall in October - Morro Bay, CA
  • Average rainfall in October: 0.47"

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

Average rainfall days in October
Morro Bay, CA

Average rainfall days in October - Morro Bay, CA
  • Average rainfall days in October: 2.8 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.7 days).

Average sea temperature in October
Morro Bay, CA

Average sea temperature in October - Morro Bay, CA
  • Average sea temperature in October: 58.6°F

The best months for swimming (with the highest average sea temperature) are August and October (58.6°F).
The coldest month (with the lowest average sea temperature) is April (54.3°F).

Average daylight in October /
Average sunshine in October
Morro Bay, CA

Average daylight in October / Average sunshine in October - Morro Bay, 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 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in October
Morro Bay, CA

Average sunshine days in October - Morro Bay, CA
  • Average sunshine days in October: 27.1 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.1 days).

Average UV index in October
Morro Bay, CA

Average UV index in October - Morro Bay, CA
  • Average UV index in October: 5

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

Average cloud cover in October
Morro Bay, CA

Average cloud cover in October - Morro Bay, CA
  • Average cloud cover in October: 13

The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 7).

Average visibility in October
Morro Bay, CA

Average visibility in October - Morro Bay, 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).

Morro Bay, California, USA

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