Climate and monthly weather forecast
Pleasanton, CA

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Neon-lit buildings in the CBD of downtown Pleasanton, California
Neon-lit buildings in the CBD of downtown Pleasanton, California

Weather in January

January in Pleasanton, California, is a mild winter month, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 57°F (13.9°C). January's climate shows a minor adjustment in average high-temperatures to a moderate 57°F (13.9°C) from December's 55°F (12.8°C). Weather in January »

Weather in February

February, the last month of the winter in Pleasanton, is another mild month, with an average temperature ranging between min 42.3°F (5.7°C) and max 59.4°F (15.2°C). As February takes its course, Pleasanton's average high-temperature registers at a still refreshing 59.4°F (15.2°C), closely aligning with the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Pleasanton, is a refreshing month, with an average temperature ranging between min 43.3°F (6.3°C) and max 62.2°F (16.8°C). The high-temperature average in March for Pleasanton is a still refreshing 62.2°F (16.8°C), staying closely aligned with February's conditions. Weather in March »

Weather in April

April, like March, in Pleasanton, California, is another refreshing spring month, with an average temperature varying between 67.5°F (19.7°C) and 45.1°F (7.3°C). Pleasanton experiences an average high-temperature of a still enjoyable 67.5°F (19.7°C) in April, subtly different from March's 62.2°F (16.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Pleasanton, California, with an average temperature varying between 72.7°F (22.6°C) and 48.9°F (9.4°C). The transition into May reveals an average high-temperature of an agreeable 72.7°F (22.6°C), mirroring a close resemblance to April. Weather in May »

Weather in June

June, the first month of the summer in Pleasanton, is a moderately hot month, with an average temperature fluctuating between 80.8°F (27.1°C) and 53.8°F (12.1°C). June's onset is marked by a subtle temperature increase, moving from an agreeable 72.7°F (22.6°C) in May to a warm 80.8°F (27.1°C). Weather in June »

Weather in July

July, like June, in Pleasanton, California, is another warm summer month, with an average temperature ranging between min 55.9°F (13.3°C) and max 85.3°F (29.6°C). Pleasanton's temperatures peak on average in July, reaching 85.3°F (29.6°C) at their highest and 55.9°F (13.3°C) at their lowest. In July, the heat index is estimated at a hot 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Pleasanton, is also a moderately hot month, with an average temperature ranging between min 56.7°F (13.7°C) and max 84.7°F (29.3°C). Pleasanton marks the onset of August with an average high-temperature of a still moderately hot 84.7°F (29.3°C), subtly divergent from July's 85.3°F (29.6°C). Weather in August »

Weather in September

September, the first month of the autumn in Pleasanton, is also a moderately hot month, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 82°F (27.8°C). With the onset of September, the average high-temperature registers at a still moderately hot 82°F (27.8°C), subtly different from August's 84.7°F (29.3°C). Weather in September »

Weather in October

October, like September, in Pleasanton, California, is a moderately hot autumn month, with an average temperature fluctuating between 52.5°F (11.4°C) and 74.1°F (23.4°C). October implies a soft temperature shift, with average high-temperatures reducing from September's moderately hot 82°F (27.8°C) to a still warm 74.1°F (23.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Pleasanton, is another comfortable month, with an average temperature ranging between max 63.7°F (17.6°C) and min 46.4°F (8°C). The onset of November results in a decrease in the average high-temperature, receding from a warm 74.1°F (23.4°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 still a cool month in Pleasanton, California, with an average temperature fluctuating between 41.7°F (5.4°C) and 55°F (12.8°C). December is the month when Pleasanton sees the lowest average temperatures, with a high of 55°F (12.8°C) and a low of 41.7°F (5.4°C). Weather in December »
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Frequently asked questions

How many days does it rain in Pleasanton?

In Pleasanton, California, during the entire year, the rain falls for 70.2 days and collects up to 10.98" (279mm) of precipitation.

What is the month with the lowest UV index in Pleasanton?

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

What is the rainiest month in Pleasanton?

February is the month with the most rainfall in Pleasanton, California. Rain falls for 8.3 days and accumulates 2.05" (52mm) of precipitation.

What is the most humid month in Pleasanton?

March is the most humid month in Pleasanton, with an average relative humidity of 74%.

When is Daylight Saving Time (DST) in Pleasanton?

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.

When are the longest days in Pleasanton?

June has the longest days of the year in Pleasanton, California, with an average of 14h and 42min of daylight.

What are the months with the highest UV index in Pleasanton?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What part of the year is the hottest in Pleasanton?

July, marked by an average high-temperature of 85.3°F (29.6°C) and a low-temperature of 55.9°F (13.3°C), is the warmest month in Pleasanton, California.

What is the least humid month in Pleasanton?

The months with the lowest humidity are July and September, with an average relative humidity of 56%.

What is the driest month in Pleasanton?

The months with the least rainfall are July and August Rain falls for 1.8 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Pleasanton?

July has the most sunshine of the year, with an average of 12.1h of sunshine.

What is the coldest month in Pleasanton?

December is the coldest month, exhibiting average temperatures of 55°F (12.8°C) at the peak and 41.7°F (5.4°C) at the base.

What is the month with the shortest days in Pleasanton?

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

What is the month with the least sunshine in Pleasanton?

With an average of 6h of sunshine, December has the least sunshine of the year in Pleasanton, California.

Average temperature
Pleasanton, CA

Average temperature - Pleasanton, CA

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (55°F).

The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure
Pleasanton, CA

Average pressure - Pleasanton, CA

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed
Pleasanton, CA

Average wind speed - Pleasanton, CA

The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

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Average humidity
Pleasanton, CA

Average humidity - Pleasanton, CA

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (56%).

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Average rainfall
Pleasanton, CA

Average rainfall - Pleasanton, CA

The wettest month (with the highest rainfall) is February (2.05").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Pleasanton, CA

Average rainfall days - Pleasanton, CA

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (0.9 days).

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Average daylight / Average sunshine
Pleasanton, CA

Average daylight / Average sunshine - Pleasanton, 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 month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days
Pleasanton, CA

Average sunshine days - Pleasanton, CA

The month with the most sunshine days is August (29 days).
The month with the least sunshine days is March (17.6 days).

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Average UV index
Pleasanton, CA

Average UV index - Pleasanton, CA

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Pleasanton, CA

Average visibility - Pleasanton, 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).

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Pleasanton, California, USA

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