October weather forecast and climate
Mendocino, CA

Weather in October

October, the same as September, is another comfortable autumn month in Mendocino, California, with average temperature ranging between max 63°F (17.2°C) and min 52.9°F (11.6°C).

Temperature

In Mendocino, the average high-temperature in October is almost the same as in September - a still comfortable 63°F (17.2°C). The average low-temperature, in October, is 52.9°F (11.6°C).

Humidity

With an average relative humidity of 75%, October is the least humid month in Mendocino.

Rainfall

In Mendocino, California, it is raining for 4 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 68.4 rainfall days, and 9.53" (242mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall in Mendocino, California.

Ocean temperature

With an average ocean temperature of 55.8°F (13.2°C), October is the month with the warmest seawater.
Note: Swimming in 55.8°F (13.2°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The average length of the day is 11.1h.

Sunshine

The average sunshine in October is 6.9h.

UV index

In October, the average daily maximum UV index in Mendocino, California, is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 4 in October 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 Mendocino?

In Mendocino, California, in October, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 52.9°F (11.6°C).

What is the least humid month in Mendocino?

October is the least humid month in Mendocino, California, with an average relative humidity of 75%.

What is the average humidity in October in Mendocino?

In October, the average relative humidity is 75%.

How many days does it rain in October in Mendocino?

In October, the rain falls for 4 days. Throughout October, 0.55" (14mm) of precipitation is accumulated.

When it does not snow in Mendocino?

In Mendocino snow does not fall in January, March through December.

When is the ocean warmest in Mendocino?

The month with the warmest seawater is October, with an average ocean temperature of 55.8°F (13.2°C).

How cold is the water in October in Mendocino?

In Mendocino, the average seawater temperature in October is 55.8°F (13.2°C). Swimming in 55.8°F (13.2°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in October in Mendocino?

The average length of the day in October in Mendocino, California, is 11.1h.

How many hours of sunshine does Mendocino have in October?

The average sunshine in October in Mendocino, California, is 6.9h.

What is the UV index intensity in October in Mendocino?

The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in October
Mendocino, CA

Average temperature in October - Mendocino, CA
  • Average high temperature in October: 63°F

The warmest month (with the highest average high temperature) is September (67.5°F).
Months with the lowest average high temperature are February and December (54.3°F).

  • Average low temperature in October: 52.9°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).

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Average pressure in October
Mendocino, CA

Average pressure in October - Mendocino, CA
  • Average pressure in October: 30"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is August (29.93").

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Average wind speed in October
Mendocino, CA

Average wind speed in October - Mendocino, CA
  • Average wind speed in October: 8.3mph

The windiest month (with the highest average wind speed) is June (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

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Average humidity in October
Mendocino, CA

Average humidity in October - Mendocino, CA
  • Average humidity in October: 75%

Months with the highest relative humidity are March, May and August (80%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in October
Mendocino, CA

Average rainfall in October - Mendocino, CA
  • Average rainfall in October: 0.55"

The wettest month (with the highest rainfall) is December (1.77").
The driest months (with the least rainfall) are June, July and August (0.08").

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Average rainfall days in October
Mendocino, CA

Average rainfall days in October - Mendocino, CA
  • Average rainfall days in October: 4 days

The month with the highest number of rainy days is March (11.4 days).
Months with the least rainy days are June and August (1.8 days).

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Average snowfall in October
Mendocino, CA

Average snowfall in October - Mendocino, CA
  • Average snowfall in October: 0"

The month with the highest snowfall is February (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in October
Mendocino, CA

Average snowfall days in October - Mendocino, CA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in October
Mendocino, CA

Average sea temperature in October - Mendocino, CA
  • Average sea temperature in October: 55.6°F

The best month for swimming (with the highest average sea temperature) is October (55.6°F).
The coldest month (with the lowest average sea temperature) is April (52.1°F).

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

Average daylight in October / Average sunshine in October - Mendocino, CA
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in October: 6.9h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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Average sunshine days in October
Mendocino, CA

Average sunshine days in October - Mendocino, CA
  • Average sunshine days in October: 26 days

The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (18.4 days).

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Average UV index in October
Mendocino, CA

Average UV index in October - Mendocino, CA
  • Average UV index in October: 4

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in October
Mendocino, CA

Average cloud cover in October - Mendocino, CA
  • Average cloud cover in October: 20

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 10).

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Average visibility in October
Mendocino, CA

Average visibility in October - Mendocino, 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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