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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Neon-lit buildings in the CBD of downtown Pleasanton, California
Weather in January
January is a moderate winter month in Pleasanton, California, with an average temperature fluctuating between 57°F (13.9°C) and 41.5°F (5.3°C). January denotes a minimal variation in the average high-temperature to a refreshing 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 fluctuating between 42.3°F (5.7°C) and 59.4°F (15.2°C). A minimal variation is noted in Pleasanton's average high-temperature at the onset of February, reaching a still mild 59.4°F (15.2°C) from January's 57°F (13.9°C). Weather in February »
Weather in March
The first month of the spring, March, is an enjoyable month in Pleasanton, California, with an average temperature ranging between min 43.3°F (6.3°C) and max 62.2°F (16.8°C). Transitioning from February to March, Pleasanton observes an average high-temperature of an enjoyable 62.2°F (16.8°C), differing subtly from the previous month. Weather in March »
Weather in April
April, like March, in Pleasanton, California, is another refreshing spring month, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 45.1°F (7.3°C). The commencement of April brings an average high-temperature of a still comfortable 67.5°F (19.7°C), marking an inconsequential divergence from March. Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Pleasanton, California, with an average temperature fluctuating between 48.9°F (9.4°C) and 72.7°F (22.6°C). May's climate shows a minor adjustment in average high-temperatures to a pleasant 72.7°F (22.6°C) from April's 67.5°F (19.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Pleasanton, California, with an average temperature fluctuating between 80.8°F (27.1°C) and 53.8°F (12.1°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from an agreeable 72.7°F (22.6°C) to a moderately hot 80.8°F (27.1°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Pleasanton, California, with an average temperature varying between 85.3°F (29.6°C) and 55.9°F (13.3°C). July is the warmest month, exhibiting average temperatures of 85.3°F (29.6°C) at the peak and 55.9°F (13.3°C) at the base. July's heat index is evaluated at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Pleasanton, California, with an average temperature varying between 56.7°F (13.7°C) and 84.7°F (29.3°C). With the arrival of August, Pleasanton's average high-temperature registers at a still moderately hot 84.7°F (29.3°C), indicating a subtle variation from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Pleasanton, California, with an average temperature ranging between max 82°F (27.8°C) and min 56.3°F (13.5°C). In September, Pleasanton experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 82°F (27.8°C), closely mirroring the climate in August. Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Pleasanton, California, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 52.5°F (11.4°C). The transition to October results in a modest reduction in average high-temperature, moving from a warm 82°F (27.8°C) in September to a still moderately hot 74.1°F (23.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Pleasanton, is also an enjoyable month, with an average temperature fluctuating between 46.4°F (8°C) and 63.7°F (17.6°C). In November, the meteorological conditions alter, with the average high-temperature shifting 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
December, the first month of the winter in Pleasanton, is also a fresh month, with an average temperature varying between 55°F (12.8°C) and 41.7°F (5.4°C). With average high and low temperatures of 55°F (12.8°C) and 41.7°F (5.4°C) respectively, December is Pleasanton's coldest month. Weather in December »
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain in Pleasanton?
Throughout the year, there are 70.2 rainfall days, and 10.98" (279mm) of precipitation is accumulated.
When is the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.
What is the rainiest month?
February is the month with the most rainfall. Rain falls for 8.3 days and accumulates 2.05" (52mm) of precipitation.
What is the most humid month?
The most humid month is March, with an average relative humidity of 74%.
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.
When are the longest days?
The month with the longest days is June, with an average of 14h and 42min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What month is the hottest?
In Pleasanton, July is the month with the highest recorded average temperatures, measuring a high of 85.3°F (29.6°C) and a low of 55.9°F (13.3°C).
What are the least humid months?
The months with the lowest humidity are July and September, with an average relative humidity of 56%.
What is the driest month?
July and August are months with the least rain when the rain falls for 1.8 days and typically aggregates up to 0.04" (1mm) of rain.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 12.1h of sunshine.
What is the coldest time of year?
December is the coldest month, with an average high-temperature of 55°F (12.8°C) and an average low-temperature of 41.7°F (5.4°C).
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
What is the month with the least sunshine?
With an average of 6h of sunshine, December has the least sunshine of the year.
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).
Average pressure
Pleasanton, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
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).
Average wind speed
Pleasanton, CA
- Average wind speed in January:
4.3mph - Average wind speed in February:
5.3mph - Average wind speed in March:
5.5mph - Average wind speed in April:
5.9mph - Average wind speed in May:
6.3mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5mph - Average wind speed in October:
4.4mph - Average wind speed in November:
4.2mph - Average wind speed in December:
4.7mph
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).
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%).
Average rainfall
Pleasanton, CA
- Average rainfall in January:
1.93" - Average rainfall in February:
2.05" - Average rainfall in March:
1.89" - Average rainfall in April:
0.71" - Average rainfall in May:
0.47" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.12" - Average rainfall in October:
0.55" - Average rainfall in November:
1.26" - Average rainfall in December:
1.81"
The wettest month (with the highest rainfall) is February (2.05").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Pleasanton, CA
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
7.3 days - Average rainfall days in May:
4.6 days - Average rainfall days in June:
1.7 days
- Average rainfall days in July:
1.8 days - Average rainfall days in August:
0.9 days - Average rainfall days in September:
2.3 days - Average rainfall days in October:
4.5 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
10.4 days
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).
Average daylight / Average sunshine
Pleasanton, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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 January:
6h and 2min - Average sunshine in February:
6h and 1min - Average sunshine in March:
8h and 0min - Average sunshine in April:
10h and 2min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 0min
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).
Average sunshine days
Pleasanton, CA
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
19 days - Average sunshine days in March:
17.6 days - Average sunshine days in April:
22.1 days - Average sunshine days in May:
25.6 days - Average sunshine days in June:
27.7 days
- Average sunshine days in July:
28.3 days - Average sunshine days in August:
29 days - Average sunshine days in September:
27 days - Average sunshine days in October:
25.4 days - Average sunshine days in November:
22.4 days - Average sunshine days in December:
19.6 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is March (17.6 days).
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).
Average cloud cover
Pleasanton, CA
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
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).
Pleasanton, California, USA
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