Monthly weather forecast and climate
San Joaquin, CA

Weather in January

January, like December, is a moderate winter month in San Joaquin, California, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 59°F (15°C). In January, the average high-temperature is relatively the same as in December - a still moderate 59°F (15°C). Weather in January »

Weather in February

February, the last month of the winter, in San Joaquin, is a comfortable month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 61.9°F (16.6°C). In San Joaquin, California, the average high-temperature in February is relatively the same as in January - an enjoyable 61.9°F (16.6°C). Weather in February »

Weather in March

March, the first month of the spring, in San Joaquin, is still a comfortable month, with average temperature ranging between min 47.5°F (8.6°C) and max 67.3°F (19.6°C). In March, the average high-temperature marginally rises, from 61.9°F (16.6°C) in February, to a still enjoyable 67.3°F (19.6°C). Weather in March »

Weather in April

April in San Joaquin, California, is a warm spring month, with average temperature ranging between max 73.9°F (23.3°C) and min 51.4°F (10.8°C). In San Joaquin, the average high-temperature slightly increases, from a comfortable 67.3°F (19.6°C) in March, to a warm 73.9°F (23.3°C). Weather in April »

Weather in May

May, the last month of the spring, in San Joaquin, is another warm month, with average temperature ranging between min 56.7°F (13.7°C) and max 82°F (27.8°C). In May, the average high-temperature marginally rises, from 73.9°F (23.3°C) in April, to a still moderately hot 82°F (27.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in San Joaquin, California, with temperature in the range of an average high of 93.6°F (34.2°C) and an average low of 63.1°F (17.3°C). In June, the average high-temperature increases, from a warm 82°F (27.8°C) in May, to a hot 93.6°F (34.2°C). Weather in June »

Weather in July

July is a very hot summer month in San Joaquin, California, with temperature in the range of an average low of 67.1°F (19.5°C) and an average high of 100.9°F (38.3°C). July is the warmest month, with an average high-temperature of 100.9°F (38.3°C) and an average low-temperature of 67.1°F (19.5°C). Weather in July »

Weather in August

August, the last month of the summer, in San Joaquin, is another very hot month, with average temperature ranging between min 66.6°F (19.2°C) and max 99.9°F (37.7°C). In August, the average high-temperature is practically the same as in July - a still torrid 99.9°F (37.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a hot month in San Joaquin, California, with average temperature fluctuating between 92.7°F (33.7°C) and 63.5°F (17.5°C). In September, the average high-temperature slightly decreases, from a torrid 99.9°F (37.7°C) in August, to a tropical 92.7°F (33.7°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in San Joaquin, California, with average temperature fluctuating between 56.8°F (13.8°C) and 79.7°F (26.5°C). In San Joaquin, the average high-temperature in October decreases, from a hot 92.7°F (33.7°C) in September, to a moderately hot 79.7°F (26.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in San Joaquin, is also an enjoyable month, with average temperature fluctuating between 66.7°F (19.3°C) and 48.4°F (9.1°C). In November, the average high-temperature drops, from a moderately hot 79.7°F (26.5°C) in October, to an enjoyable 66.7°F (19.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also a moderate month in San Joaquin, California, with average temperature ranging between min 42.6°F (5.9°C) and max 56.5°F (13.6°C). The coldest month is December, with an average high-temperature of 56.5°F (13.6°C) and an average low-temperature of 42.6°F (5.9°C). Weather in December »
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FAQ

What is the most humid month in San Joaquin?

Months with the highest humidity are January and December, with an average relative humidity of 66%.

How many days does it rain in San Joaquin?

Throughout the year, in San Joaquin, there are 37.2 rainfall days, and 2.48" (63mm) of precipitation is accumulated.

When is the lowest UV index in San Joaquin?

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in San Joaquin, California.

What is the rainiest month in San Joaquin?

The wettest months are February and March, with an average 0.43" (11mm) of rainfall.

What is the month with the least sunshine in San Joaquin?

February and December, with an average of 6.4h of sunshine, are months with the least sunshine in San Joaquin.

What is the driest month in San Joaquin?

Months with the least rainfall in San Joaquin are June through September Rain falls for 0.6 days and accumulates 0.04" (1mm) of rain.

When are the longest days in San Joaquin?

June has the longest days of the year in San Joaquin, California, with an average of 14.6h of daylight.

What is the month with the highest UV index in San Joaquin?

June through August, with an average maximum UV index of 7, are months with the highest UV index in San Joaquin, California.

What is the warmest month in San Joaquin?

July is the warmest month in San Joaquin, with an average high-temperature of 100.9°F (38.3°C) and an average low-temperature of 67.1°F (19.5°C).

What is the least humid month in San Joaquin?

The least humid month is July, with an average relative humidity of 30%.

What month has the most sunshine in San Joaquin?

The month with the most sunshine in San Joaquin is July, with an average of 12.2h of sunshine.

What is the coldest month in San Joaquin?

With an average high-temperature of 56.5°F (13.6°C) and an average low-temperature of 42.6°F (5.9°C), December is the coldest month.

What is the month with the shortest days in San Joaquin?

The month with the shortest days is December, with an average of 9.7h of daylight.

Average temperature
San Joaquin, CA

Average temperature - San Joaquin, CA

The warmest month (with the highest average high temperature) is July (100.9°F).
The month with the lowest average high temperature is December (56.5°F).

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is December (42.6°F).

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Average pressure
San Joaquin, CA

Average pressure - San Joaquin, CA

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed
San Joaquin, CA

Average wind speed - San Joaquin, CA

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).

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Average humidity
San Joaquin, CA

Average humidity - San Joaquin, CA

Months with the highest relative humidity are January and December (66%).
The month with the lowest relative humidity is July (30%).

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Average rainfall
San Joaquin, CA

Average rainfall - San Joaquin, CA

The wettest months (with the highest rainfall) are February and March (0.43").
The driest months (with the least rainfall) are June, July, August and September (0.04").

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Average rainfall days
San Joaquin, CA

Average rainfall days - San Joaquin, CA

The month with the highest number of rainy days is March (7 days).
Months with the least rainy days are August and September (0.5 days).

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Average daylight / Average sunshine
San Joaquin, CA

Average daylight / Average sunshine - San Joaquin, CA

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

The month with the most sunshine is July (Average sunshine: 12.2h).
Months with the least sunshine are February and December (Average sunshine: 6.4).

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Average sunshine days
San Joaquin, CA

Average sunshine days - San Joaquin, CA

The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is February (22 days).

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Average UV index
San Joaquin, CA

Average UV index - San Joaquin, CA

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, November and December (UV index 3).

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Average visibility
San Joaquin, CA

Average visibility - San Joaquin, 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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