Monthly weather forecast and climate
Pittsburg, CA

Weather in January

January in Pittsburg, California, is a mild winter month, with temperature in the range of an average high of 56.1°F (13.4°C) and an average low of 41.5°F (5.3°C). In January, the average high-temperature is essentially the same as in December - a mild 56.1°F (13.4°C). Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Pittsburg, California, with average temperature fluctuating between 42.4°F (5.8°C) and 59.9°F (15.5°C). In February, the average high-temperature is relatively the same as in January - a still moderate 59.9°F (15.5°C). Weather in February »

Weather in March

March, the first month of the spring, in Pittsburg, is a comfortable month, with average temperature varying between 44.1°F (6.7°C) and 63.7°F (17.6°C). In Pittsburg, the average high-temperature is almost the same as in February - an enjoyable 63.7°F (17.6°C). Weather in March »

Weather in April

April is a pleasant spring month in Pittsburg, California, with average temperature varying between 69.4°F (20.8°C) and 46.6°F (8.1°C). In Pittsburg, California, the average high-temperature in April slightly increases, from an enjoyable 63.7°F (17.6°C) in March, to a pleasant 69.4°F (20.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Pittsburg, California, with average temperature fluctuating between 75°F (23.9°C) and 50.7°F (10.4°C). In May, the average high-temperature marginally rises, from an agreeable 69.4°F (20.8°C) in April, to a moderately hot 75°F (23.9°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Pittsburg, California, with average temperature ranging between max 83.8°F (28.8°C) and min 55.4°F (13°C). In Pittsburg, California, the average high-temperature in June slightly increases, from 75°F (23.9°C) in May, to a still warm 83.8°F (28.8°C). Weather in June »

Weather in July

July is a tropical summer month in Pittsburg, California, with average temperature ranging between min 56.5°F (13.6°C) and max 87.4°F (30.8°C). July is the warmest month, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 56.5°F (13.6°C). The average heat index is estimated at a hot 91.6°F (33.1°C). Weather in July »

Weather in August

August, the last month of the summer, in Pittsburg, is another tropical month, with average temperature varying between 57.7°F (14.3°C) and 86.5°F (30.3°C). In Pittsburg, the average high-temperature in August is almost the same as in July - a still hot 86.5°F (30.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Pittsburg, California, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 57.7°F (14.3°C). In Pittsburg, the average high-temperature is relatively the same as in August - a moderately hot 84.7°F (29.3°C). Weather in September »

Weather in October

October, like September, in Pittsburg, California, is another warm autumn month, with average temperature fluctuating between 75.9°F (24.4°C) and 54.3°F (12.4°C). In Pittsburg, the average high-temperature marginally drops, from 84.7°F (29.3°C) in September, to a still warm 75.9°F (24.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Pittsburg, California, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 63.7°F (17.6°C). In November, the average high-temperature drops, from a moderately hot 75.9°F (24.4°C) in October, to a comfortable 63.7°F (17.6°C). Weather in November »

Weather in December

December, the first month of the winter, in Pittsburg, is also a fresh month, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 55.2°F (12.9°C). December is the coldest month, with an average high-temperature of 55.2°F (12.9°C) and an average low-temperature of 41.7°F (5.4°C). Weather in December »
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FAQ

What are the most humid months in Pittsburg?

January and March, with an average relative humidity of 73%, are most humid months.

How many days does it rain in Pittsburg?

In Pittsburg, during the entire year, the rain falls for 66.9 days and collects up to 10.39" (264mm) of precipitation.

What are the months with the lowest UV index in Pittsburg?

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

What is the wettest month in Pittsburg?

February is the month with the most rainfall. Rain falls for 8 days and accumulates 2.01" (51mm) of precipitation.

When are the longest days in Pittsburg?

The month with the longest days in Pittsburg, California, is June, with an average of 14.8h of daylight.

When is the highest UV index in Pittsburg?

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

What is the warmest month in Pittsburg?

July is the warmest month, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 56.5°F (13.6°C).

What is the driest month in Pittsburg?

Months with the least rainfall in Pittsburg are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Pittsburg?

The month with the most sunshine is July, with an average of 12.1h of sunshine.

What is the least humid month in Pittsburg?

The least humid month in Pittsburg, California, is September, with an average relative humidity of 53%.

What is the coldest month in Pittsburg?

December is the coldest month in Pittsburg, with an average high-temperature of 55.2°F (12.9°C) and an average low-temperature of 41.7°F (5.4°C).

What is the month with the shortest days in Pittsburg?

December has the shortest days of the year in Pittsburg, with an average of 9.6h of daylight.

What is the month with the least sunshine in Pittsburg?

The month with the least sunshine is December, with an average of 5.8h of sunshine.

Average temperature
Pittsburg, CA

Average temperature - Pittsburg, CA

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (55.2°F).

Months with the highest average low temperature are August and September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure
Pittsburg, CA

Average pressure - Pittsburg, CA

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed
Pittsburg, CA

Average wind speed - Pittsburg, CA

The windiest months (with the highest average wind speed) are May and June (7.6mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).

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Average humidity
Pittsburg, CA

Average humidity - Pittsburg, CA

Months with the highest relative humidity are January and March (73%).
The month with the lowest relative humidity is September (53%).

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Average rainfall
Pittsburg, CA

Average rainfall - Pittsburg, CA

The wettest month (with the highest rainfall) is February (2.01").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Pittsburg, CA

Average rainfall days - Pittsburg, CA

The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is August (0.9 days).

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Average daylight / Average sunshine
Pittsburg, CA

Average daylight / Average sunshine - Pittsburg, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days
Pittsburg, CA

Average sunshine days - Pittsburg, CA

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.5 days).

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Average UV index
Pittsburg, CA

Average UV index - Pittsburg, CA

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

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Average visibility
Pittsburg, CA

Average visibility - Pittsburg, CA

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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