Climate and monthly 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 January

January, like December, is another mild winter month in Mountain View, California, with an average temperature ranging between min 44.2°F (6.8°C) and max 57.7°F (14.3°C). January's weather displays an average high-temperature of a still mild 57.7°F (14.3°C), slightly varied from December's 56.5°F (13.6°C). Weather in January »

Weather in February

February, the last month of the winter in Mountain View, is another mild month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 59.9°F (15.5°C). February reports an average high-temperature of a still mild 59.9°F (15.5°C), slightly varied from January's 57.7°F (14.3°C). Weather in February »

Weather in March

March, the first month of the spring in Mountain View, is a refreshing month, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 62.2°F (16.8°C). The start of March sees the average high-temperature at an enjoyable 62.2°F (16.8°C), showing little difference from February's 59.9°F (15.5°C). Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in Mountain View, California, with an average temperature ranging between max 66.2°F (19°C) and min 46°F (7.8°C). The transition from March to April sees an average high-temperature of a still refreshing 66.2°F (19°C), indicating a minor variance from the prior month. Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Mountain View, California, with an average temperature varying between 69.3°F (20.7°C) and 49.5°F (9.7°C). The arrival of May records an average high-temperature of an agreeable 69.3°F (20.7°C), closely related to the 66.2°F (19°C) observed in April. Weather in May »

Weather in June

June, the first month of the summer in Mountain View, is a warm month, with an average temperature ranging between min 53.4°F (11.9°C) and max 76.6°F (24.8°C). The average high-temperature mildly increases in June, edging from a pleasant 69.3°F (20.7°C) in May to a moderately hot 76.6°F (24.8°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Mountain View, California, with an average temperature varying between 55.2°F (12.9°C) and 79.7°F (26.5°C). With average high and low temperatures of 79.7°F (26.5°C) and 55.2°F (12.9°C) respectively, July is Mountain View's warmest month. Weather in July »

Weather in August

August, the last month of the summer in Mountain View, is another warm month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 56.8°F (13.8°C). August welcomes an average high-temperature of a still warm 79.3°F (26.3°C), not much different from the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Mountain View, California, with an average temperature fluctuating between 56.1°F (13.4°C) and 77.9°F (25.5°C). September brings a marginal elevation to a still moderately hot 77.9°F (25.5°C) from August's 79.3°F (26.3°C) in Mountain View's average high-temperatures. Weather in September »

Weather in October

October, the same as September, in Mountain View, California, is another pleasant autumn month, with an average temperature varying between 54°F (12.2°C) and 71.8°F (22.1°C). In October, the average high-temperature marginally decreases from a moderately hot 77.9°F (25.5°C) in September to an agreeable 71.8°F (22.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Mountain View, is another refreshing month, with an average temperature ranging between min 48.7°F (9.3°C) and max 63.7°F (17.6°C). November is characterized by a slight reduction in average high-temperature, easing from an agreeable 71.8°F (22.1°C) in October to a refreshing 63.7°F (17.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also a moderate month in Mountain View, California, with an average temperature varying between 44.1°F (6.7°C) and 56.5°F (13.6°C). In Mountain View, the lowest average temperatures are observed in December, with a high of 56.5°F (13.6°C) and a low of 44.1°F (6.7°C). Weather in December »
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain?

In Mountain View, during the entire year, the rain falls for 53.1 days and collects up to 4.41" (112mm) of precipitation.

What is the rainiest month?

The months with the most rainfall are February, March and December, with an average 0.83" (21mm) of precipitation.

When is the lowest UV index?

The months with the lowest UV index are February, November and December, with an average maximum UV index of 3.

What is the most humid month?

With an average relative humidity of 73%, March is the most humid month.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

What is the driest month?

June through August are months with the least rain when the rain falls for 1.5 days and typically aggregates up to 0.04" (1mm) of rain.

When are the longest days?

With an average of 14h and 42min of daylight, June has the longest days of the year.

What is the month with the highest UV index?

With an average maximum UV index of 6, June is the month with the highest UV index.

What are the warmest months?

The warmest month is July, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 55.2°F (12.9°C).

What is the least humid month?

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

What is the month with the most sunshine?

The months with the most sunshine are July and August, with an average of 12h of sunshine.

What part of the year is the coldest in Mountain View?

Mountain View's coldest month, December, registers temperatures that range from a high of 56.5°F (13.6°C) to a low of 44.1°F (6.7°C).

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

What is the month with the least sunshine?

With an average of 5.9h of sunshine, December has the least sunshine of the year.

Average temperature
Mountain View, CA

Average temperature - Mountain View, CA

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).

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).

Average pressure
Mountain View, CA

Average pressure - Mountain View, CA

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).

Average wind speed
Mountain View, CA

Average wind speed - Mountain View, CA

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).

Average humidity
Mountain View, CA

Average humidity - Mountain View, CA

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

Average rainfall
Mountain View, CA

Average rainfall - Mountain View, CA

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").

Average rainfall days
Mountain View, CA

Average rainfall days - Mountain View, CA

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).

Average daylight / Average sunshine
Mountain View, CA

Average daylight / Average sunshine - Mountain View, CA

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).

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).

Average sunshine days
Mountain View, CA

Average sunshine days - Mountain View, CA

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).

Average UV index
Mountain View, CA

Average UV index - Mountain View, CA

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).

Average visibility
Mountain View, CA

Average visibility - Mountain View, CA

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).

Mountain View, California, USA

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