Monthly weather forecast and climate
San Lorenzo, CA

Weather in January

January, like December, is a moderate winter month in San Lorenzo, California, with average temperature varying between 44.1°F (6.7°C) and 57°F (13.9°C). In January, the average high-temperature is relatively the same as in December - a still moderate 57°F (13.9°C). Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in San Lorenzo, California, with average temperature varying between 59.2°F (15.1°C) and 44.2°F (6.8°C). In San Lorenzo, the average high-temperature is almost the same as in January - a still moderate 59.2°F (15.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in San Lorenzo, California, with average temperature varying between 45.1°F (7.3°C) and 61.7°F (16.5°C). In San Lorenzo, the average high-temperature is essentially the same as in February - a comfortable 61.7°F (16.5°C). Weather in March »

Weather in April

April, like March, in San Lorenzo, California, is another enjoyable spring month, with average temperature ranging between max 65.8°F (18.8°C) and min 46.8°F (8.2°C). In San Lorenzo, the average high-temperature in April is relatively the same as in March - a still enjoyable 65.8°F (18.8°C). Weather in April »

Weather in May

May, the last month of the spring, in San Lorenzo, is a pleasant month, with temperature in the range of an average low of 49.5°F (9.7°C) and an average high of 69.4°F (20.8°C). In May, the average high-temperature is practically the same as in April - an agreeable 69.4°F (20.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in San Lorenzo, California, with average temperature varying between 53.2°F (11.8°C) and 75.7°F (24.3°C). In San Lorenzo, California, the average high-temperature marginally rises, from a pleasant 69.4°F (20.8°C) in May, to a moderately hot 75.7°F (24.3°C). Weather in June »

Weather in July

July, like June, in San Lorenzo, California, is a moderately hot summer month, with average temperature varying between 79.2°F (26.2°C) and 55°F (12.8°C). The warmest month is July, with an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 55°F (12.8°C). Weather in July »

Weather in August

August, the last month of the summer, in San Lorenzo, is also a moderately hot month, with average temperature fluctuating between 56.3°F (13.5°C) and 79°F (26.1°C). In San Lorenzo, California, the average high-temperature in August is relatively the same as in July - a still moderately hot 79°F (26.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in San Lorenzo, California, with average temperature fluctuating between 78.3°F (25.7°C) and 56.5°F (13.6°C). In San Lorenzo, California, the average high-temperature in September is essentially the same as in August - a still warm 78.3°F (25.7°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in San Lorenzo, California, with average temperature ranging between max 71.8°F (22.1°C) and min 54°F (12.2°C). In San Lorenzo, the average high-temperature in October slightly decreases, from a moderately hot 78.3°F (25.7°C) in September, to a pleasant 71.8°F (22.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in San Lorenzo, California, with average temperature fluctuating between 63.3°F (17.4°C) and 48.6°F (9.2°C). In November, the average high-temperature marginally drops, from an agreeable 71.8°F (22.1°C) in October, to a comfortable 63.3°F (17.4°C). Weather in November »

Weather in December

December, the first month of the winter, in San Lorenzo, is also a moderate month, with average temperature fluctuating between 56.1°F (13.4°C) and 44.1°F (6.7°C). The coldest month is December, with an average high-temperature of 56.1°F (13.4°C) and an average low-temperature of 44.1°F (6.7°C). Weather in December »
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FAQ

How much does it rain in San Lorenzo?

Throughout the year, there are 56.9 rainfall days, and 4.06" (103mm) of precipitation is accumulated.

What are the months with the lowest UV index in San Lorenzo?

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

What is the wettest month in San Lorenzo?

The month with the most rainfall is February when the rain falls for 6.7 days and typically aggregates up to 0.87" (22mm) of precipitation.

What is the most humid month in San Lorenzo?

The most humid month is March, with an average relative humidity of 74%.

What is the driest month in San Lorenzo?

Months with the least rainfall are June through August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.

When are the longest days in San Lorenzo?

June has the longest days of the year in San Lorenzo, California, with an average of 14.7h of daylight.

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

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

What is the warmest month in San Lorenzo?

July is the warmest month in San Lorenzo, California, with an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 55°F (12.8°C).

What month has the most sunshine in San Lorenzo?

July has the most sunshine of the year in San Lorenzo, California, with an average of 12.1h of sunshine.

What is the least humid month in San Lorenzo?

With an average relative humidity of 62%, September is the least humid month.

What is the coldest month in San Lorenzo?

December is the coldest month in San Lorenzo, with an average high-temperature of 56.1°F (13.4°C) and an average low-temperature of 44.1°F (6.7°C).

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

With an average of 9.6h of daylight, December has the shortest days of the year.

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

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

Average temperature
San Lorenzo, CA

Average temperature - San Lorenzo, CA

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (56.1°F).

The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (44.1°F).

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Average pressure
San Lorenzo, CA

Average pressure - San Lorenzo, CA

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed
San Lorenzo, CA

Average wind speed - San Lorenzo, CA

The windiest month (with the highest average wind speed) is May (6.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average humidity
San Lorenzo, CA

Average humidity - San Lorenzo, CA

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (62%).

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Average rainfall
San Lorenzo, CA

Average rainfall - San Lorenzo, CA

The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July and August (0.04").

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Average rainfall days
San Lorenzo, CA

Average rainfall days - San Lorenzo, CA

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.7 days).

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Average daylight / Average sunshine
San Lorenzo, CA

Average daylight / Average sunshine - San Lorenzo, CA

The month with the longest days is June (Average daylight: 14.7h).
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: 5.9h).

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Average sunshine days
San Lorenzo, CA

Average sunshine days - San Lorenzo, CA

The month with the most sunshine days is July (27.9 days).
The month with the least sunshine days is March (18.6 days).

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Average UV index
San Lorenzo, CA

Average UV index - San Lorenzo, CA

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

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Average visibility
San Lorenzo, CA

Average visibility - San Lorenzo, 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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