October weather forecast and climate
Mountain View, CA

A street in Mountain View Town, California, with neon-lit building, trees, and parked cars
A street in Mountain View Town, California, with neon-lit building, trees, and parked cars

Weather in October

October, like September, is another pleasant autumn month in Mountain View, California, with average temperature varying between 54°F (12.2°C) and 71.8°F (22.1°C).

Temperature

In Mountain View, the average high-temperature slightly decreases, from a warm 77.9°F (25.5°C) in September, to an agreeable 71.8°F (22.1°C). In Mountain View, the average low-temperature is 54°F (12.2°C).

Humidity

Months with the lowest humidity are July, September and October, with an average relative humidity of 63%.

Rainfall

In Mountain View, during October, the rain falls for 2.8 days and regularly aggregates up to 0.12" (3mm) of precipitation. In Mountain View, California, during the entire year, the rain falls for 53.1 days and collects up to 4.41" (112mm) of precipitation.

Daylight

In Mountain View, the average length of the day is 11.2h.

Sunshine

The average sunshine in October is 7.1h.

UV index

In October, the average daily maximum UV index in Mountain View is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in October interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in October in Mountain View?

In October, the average high-temperature is 71.8°F (22.1°C), and the average low-temperature is 54°F (12.2°C).

What is the least humid month in Mountain View?

July, September and October, with an average relative humidity of 63%, are the least humid months in Mountain View, California.

What is the average humidity in October in Mountain View?

In October, the average relative humidity in Mountain View, California, is 63%.

How many days does it rain in October in Mountain View?

In October, in Mountain View, California, the rain falls for 2.8 days. Throughout October, 0.12" (3mm) of precipitation is accumulated.

What is the average length of the day in October in Mountain View?

The average length of the day in October in Mountain View, California, is 11.2h.

How many hours of sunshine does Mountain View have in October?

The average sunshine in October in Mountain View is 7.1h.

How high is the UV index in October in Mountain View?

In Mountain View, California, the average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in October
Mountain View, CA

Average temperature in October - Mountain View, CA
  • Average high temperature in October: 71.8°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in October: 54°F

The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (44.1°F).

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Average pressure in October
Mountain View, CA

Average pressure in October - Mountain View, CA
  • Average pressure in October: 29.98"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June and September (29.92").

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Average wind speed in October
Mountain View, CA

Average wind speed in October - Mountain View, CA
  • Average wind speed in October: 4.7mph

The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.7mph).

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Average humidity in October
Mountain View, CA

Average humidity in October - Mountain View, CA
  • Average humidity in October: 63%

The month with the highest relative humidity is March (73%).
Months with the lowest relative humidity are July, September and October (63%).

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Average rainfall in October
Mountain View, CA

Average rainfall in October - Mountain View, CA
  • Average rainfall in October: 0.12"

The wettest months (with the highest rainfall) are February, March and December (0.83").
The driest months (with the least rainfall) are June, July and August (0.04").

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Average rainfall days in October
Mountain View, CA

Average rainfall days in October - Mountain View, CA
  • Average rainfall days in October: 2.8 days

The month with the highest number of rainy days is March (10 days).
The month with the least rainy days is August (0.4 days).

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Average daylight in October /
Average sunshine in October
Mountain View, CA

Average daylight in October / Average sunshine in October - Mountain View, CA
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in October: 7.1h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.9h).

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Average sunshine days in October
Mountain View, CA

Average sunshine days in October - Mountain View, CA
  • Average sunshine days in October: 27.1 days

Months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is March (19.4 days).

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Average UV index in October
Mountain View, CA

Average UV index in October - Mountain View, CA
  • Average UV index in October: 5

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

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Average cloud cover in October
Mountain View, CA

Average cloud cover in October - Mountain View, CA
  • Average cloud cover in October: 16

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in October
Mountain View, CA

Average visibility in October - Mountain View, 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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