Monthly weather forecast and climate
San Gregorio, CA

January and March, with an average high-temperature of 60.1°F (15.6°C), are the coldest months in San Gregorio. The month with the most rainfall is January when 5.7" (145mm) of precipitation is typically aggregated.
Weather in January »
In February, the average high-temperature is 60.3°F (15.7°C), and the average low-temperature is 41.5°F (5.3°C). Throughout February, 5.4" (136mm) of precipitation is accumulated.
Weather in February »
January and March, with an average high-temperature of 60.1°F (15.6°C), are the coldest months in San Gregorio. In San Gregorio, California, 4.6" (117mm) of precipitation is typically accumulated.
Weather in March »
The average high-temperature, in April, is 62.1°F (16.7°C), while the average low-temperature is 42.6°F (5.9°C). In San Gregorio, 2" (50.8mm) of precipitation is typically accumulated.
Weather in April »
In San Gregorio, the average high-temperature is 63.9°F (17.7°C), and the average low-temperature is 46°F (7.8°C). During May, San Gregorio regularly aggregates up to 0.9" (21.6mm) of precipitation.
Weather in May »
In San Gregorio, the average high-temperature is 67.1°F (19.5°C), and the average low-temperature is 48.2°F (9°C). During June, San Gregorio regularly aggregates up to 0.3" (7.4mm) of precipitation.
Weather in June »
The average high-temperature, in July, is 70°F (21.1°C), while the average low-temperature is 50.5°F (10.3°C). The month with the least rainfall in San Gregorio is July when 0.1" (3.3mm) of precipitation is typically aggregated.
Weather in July »
The average high-temperature, in August, is 71.1°F (21.7°C), while the average low-temperature is 51.1°F (10.6°C). During August, San Gregorio regularly aggregates up to 0.2" (5.1mm) of precipitation.
Weather in August »
September is the warmest month, with an average high-temperature of 72.5°F (22.5°C) and an average low-temperature of 49.3°F (9.6°C). In San Gregorio, 0.4" (10.4mm) of precipitation is typically accumulated.
Weather in September »
In October, the average high-temperature is 70.5°F (21.4°C), and the average low-temperature is 45.3°F (7.4°C). In San Gregorio, in October, 1.7" (42.4mm) of precipitation is typically accumulated.
Weather in October »
The average high-temperature, in San Gregorio, California, is 64.8°F (18.2°C), while the average low-temperature is 41.7°F (5.4°C). In San Gregorio, California, in November, 3.9" (99.8mm) of precipitation is typically accumulated.
Weather in November »
In San Gregorio, in December, the average high-temperature is 60.6°F (15.9°C), and the average low-temperature is 39°F (3.9°C). In San Gregorio, California, 4.4" (110.7mm) of precipitation is typically accumulated.
Weather in December »

What is the coldest month in San Gregorio?

January and March, with an average high-temperature of 60.1°F (15.6°C), are the coldest months.

How much does it rain in San Gregorio?

During the entire year, San Gregorio aggregates up to 29.5" (749.5mm) of precipitation.

What is the wettest month in San Gregorio?

January is the month with the most rainfall, with 5.7" (145mm) of accumulated precipitation.

When are the longest days in San Gregorio?

The month with the longest days in San Gregorio, California, is June, with an average of 14.7h of daylight.

What is the driest month in San Gregorio?

July is the month with the least rainfall, with 0.1" (3.3mm) of accumulated precipitation.

What is the warmest month in San Gregorio?

September is the warmest month in San Gregorio, California, with an average high-temperature of 72.5°F (22.5°C) and an average low-temperature of 49.3°F (9.6°C).

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

With an average of 9.6h of daylight, December has the shortest days of the year.
Average temperature - San Gregorio, CA
Average rainfall - San Gregorio, CA
Average daylight - San Gregorio, CA

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

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