October weather forecast
Mountain View, CA

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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, the same as September, in Mountain View, California, is another pleasant autumn month, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 71.8°F (22.1°C).

Temperature

With the onset of October, Mountain View experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 77.9°F (25.5°C) in September to a pleasant 71.8°F (22.1°C). During the nights in October, Mountain View observes an average low-temperature of 54°F (12.2°C).

Humidity

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

Rainfall

In Mountain View, in October, it is raining for 2.8 days, with typically 0.12" (3mm) of accumulated precipitation. In Mountain View, during the entire year, the rain falls for 53.1 days and collects up to 4.41" (112mm) of precipitation.

Daylight

The average length of the day in October in Mountain View is 11h and 13min.
On the first day of October in Mountain View, California, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:10 pm PDT.

Sunshine

In Mountain View, California, the average sunshine in October is 7.1h.

UV index

In Mountain View, 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: A maximum UV index of 5 in October translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What is the temperature in October in Mountain View?

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

What are the least humid months in Mountain View?

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

What is the average humidity in October in Mountain View?

In October, the average relative humidity is 63%.

How much does it rain in Mountain View in October?

In October, in Mountain View, 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 day length in October in Mountain View, California, is 11h and 13min.

What time are sunrise and sunset in October in Mountain View?

In October, on the first day of the month, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, in Mountain View, California, sunrise is at 7:32 am and sunset at 6:10 pm PDT.

How long on average sun shines in October in Mountain View?

In Mountain View, California, the average sunshine duration in October is 7.1h.

What is the UV index reading in October in Mountain View?

In October, the average daily maximum UV index in Mountain View, California, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
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"Hg

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

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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%).
The 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: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 7h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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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

The 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).
The 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

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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Mountain View, California, USA

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