Sebastopol
California, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Sebastopol, CA

January, the same as December, in Sebastopol, California, is another mild winter month, with average temperature ranging between min 43.2°F (6.2°C) and max 57.2°F (14°C). In Sebastopol, California, the average high-temperature in January is essentially the same as in December - a still moderate 57.2°F (14°C). Weather in January »

The last month of the winter, February, is another mild month in Sebastopol, California, with average temperature ranging between min 42.8°F (6°C) and max 58.8°F (14.9°C). In Sebastopol, the average high-temperature is essentially the same as in January - a still moderate 58.8°F (14.9°C). Weather in February »

The first month of the spring, March, is still a mild month in Sebastopol, California, with temperature in the range of an average low of 43.5°F (6.4°C) and an average high of 60.4°F (15.8°C). In Sebastopol, the average high-temperature is practically the same as in February - a still moderate 60.4°F (15.8°C). Weather in March »

April is a comfortable spring month in Sebastopol, California, with average temperature fluctuating between 64.9°F (18.3°C) and 45.5°F (7.5°C). In April, the average high-temperature is essentially the same as in March - an enjoyable 64.9°F (18.3°C). Weather in April »

May, the last month of the spring, in Sebastopol, is an agreeable month, with average temperature varying between 69.1°F (20.6°C) and 48.6°F (9.2°C). In May, the average high-temperature is practically the same as in April - an agreeable 69.1°F (20.6°C). Weather in May »

June, the first month of the summer, in Sebastopol, is a moderately hot month, with average temperature varying between 53.1°F (11.7°C) and 76.3°F (24.6°C). In Sebastopol, the average high-temperature marginally rises, from a pleasant 69.1°F (20.6°C) in May, to a moderately hot 76.3°F (24.6°C). Weather in June »

July, like June, in Sebastopol, California, is another warm summer month, with average temperature ranging between min 54.1°F (12.3°C) and max 79.3°F (26.3°C). In Sebastopol, the average high-temperature in July is relatively the same as in June - a still moderately hot 79.3°F (26.3°C). Weather in July »

The last month of the summer, August, is another warm month in Sebastopol, California, with average temperature ranging between min 54.7°F (12.6°C) and max 79.7°F (26.5°C). With an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 54.7°F (12.6°C), August is the warmest month. Weather in August »

The first month of the autumn, September, is still a warm month in Sebastopol, California, with average temperature fluctuating between 54.7°F (12.6°C) and 79°F (26.1°C). In Sebastopol, the average high-temperature is essentially the same as in August - a still moderately hot 79°F (26.1°C). Weather in September »

October, the same as September, in Sebastopol, California, is an agreeable autumn month, with average temperature varying between 72.3°F (22.4°C) and 51.8°F (11°C). In October, the average high-temperature slightly decreases, from a warm 79°F (26.1°C) in September, to an agreeable 72.3°F (22.4°C). Weather in October »

November, the last month of the autumn, in Sebastopol, is also an enjoyable month, with average temperature fluctuating between 63.1°F (17.3°C) and 46°F (7.8°C). In Sebastopol, California, the average high-temperature in November decreases, from an agreeable 72.3°F (22.4°C) in October, to an enjoyable 63.1°F (17.3°C). Weather in November »

December, the first month of the winter, in Sebastopol, is also a moderate month, with average temperature varying between 41.9°F (5.5°C) and 55.6°F (13.1°C). December is the coldest month, with an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 41.9°F (5.5°C). Weather in December »

How many days does it rain in Sebastopol?

In Sebastopol, California, during the entire year, the rain falls for 72.8 days and collects up to 12.01" (305mm) of precipitation.

When is the lowest UV index in Sebastopol?

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

What is the wettest month in Sebastopol?

The month with the most rainfall is February when the rain falls for 9.1 days and typically aggregates up to 2.64" (67mm) of precipitation.

What is the most humid month in Sebastopol?

The most humid month in Sebastopol, California, is March, with an average relative humidity of 77%.

When are the longest days in Sebastopol?

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

When is the highest UV index in Sebastopol?

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

What is the driest month in Sebastopol?

July and August are months with the least rain in Sebastopol, California, when the rain falls for 1.5 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in Sebastopol?

The month with the most sunshine in Sebastopol, California, is July, with an average of 11.9h of sunshine.

What is the warmest month in Sebastopol?

August is the warmest month, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 54.7°F (12.6°C).

What is the least humid month in Sebastopol?

September is the least humid month in Sebastopol, with an average relative humidity of 63%.

What is the coldest month in Sebastopol?

The coldest month in Sebastopol is December, with an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 41.9°F (5.5°C).

What is the month with the shortest days in Sebastopol?

The month with the shortest days is December, with an average of 9.5h of daylight.

What is the month with the least sunshine in Sebastopol?

December has the least sunshine of the year, with an average of 5.7h of sunshine.
Average temperature - Sebastopol, CA
Average rainfall - Sebastopol, CA

The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days - Sebastopol, CA
Average daylight / Average sunshine - Sebastopol, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 5.7h).