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

Monthly weather forecast and climate
Graton, CA

January, the same as December, in Graton, California, is a moderate winter month, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 57.2°F (14°C). In January, the average high-temperature is relatively the same as in December - a still mild 57.2°F (14°C). Weather in January »

February, the last month of the winter, in Graton, is also a moderate month, with average temperature varying between 58.8°F (14.9°C) and 42.8°F (6°C). In February, the average high-temperature is almost the same as in January - a still mild 58.8°F (14.9°C). Weather in February »

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

April is an enjoyable spring month in Graton, California, with average temperature ranging between max 64.9°F (18.3°C) and min 45.5°F (7.5°C). In Graton, the average high-temperature is almost the same as in March - an enjoyable 64.9°F (18.3°C). Weather in April »

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

June, the first month of the summer, in Graton, is a moderately hot month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 76.3°F (24.6°C). In Graton, the average high-temperature in June slightly increases, from an agreeable 69.1°F (20.6°C) in May, to a warm 76.3°F (24.6°C). Weather in June »

July, the same as June, is a moderately hot summer month in Graton, California, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 54.1°F (12.3°C). In Graton, the average high-temperature in July is almost 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 also a moderately hot month in Graton, California, with average temperature varying between 79.7°F (26.5°C) and 54.7°F (12.6°C). The warmest month is August, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 54.7°F (12.6°C). Weather in August »

The first month of the autumn, September, is still a warm month in Graton, California, with average temperature fluctuating between 54.7°F (12.6°C) and 79°F (26.1°C). In Graton, 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 Graton, California, is another pleasant autumn month, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 51.8°F (11°C). In October, the average high-temperature slightly decreases, from a moderately hot 79°F (26.1°C) in September, to a pleasant 72.3°F (22.4°C). Weather in October »

The last month of the autumn, November, is another comfortable month in Graton, California, with average temperature varying between 46°F (7.8°C) and 63.1°F (17.3°C). In Graton, California, the average high-temperature in November drops, from an agreeable 72.3°F (22.4°C) in October, to a comfortable 63.1°F (17.3°C). Weather in November »

The first month of the winter, December, is also a moderate month in Graton, California, with average temperature fluctuating between 41.9°F (5.5°C) and 55.6°F (13.1°C). The coldest month 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). Weather in December »

How many days does it rain in Graton?

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

What is the month with the lowest UV index in Graton?

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

What is the rainiest month in Graton?

February is the month with the most rainfall in Graton, California. Rain falls for 9.1 days and accumulates 2.64" (67mm) of precipitation.

What is the most humid month in Graton?

March is the most humid month in Graton, with an average relative humidity of 77%.

When are the longest days in Graton?

June has the longest days of the year in Graton, California, with an average of 14.8h of daylight.

What is the month with the highest UV index in Graton?

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

What is the driest month in Graton?

July and August are months with the least rain 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 Graton?

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

What is the warmest month in Graton?

The warmest month in Graton, California, is August, 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 Graton?

With an average relative humidity of 63%, September is the least humid month in Graton, California.

What is the coldest month in Graton?

The coldest month in Graton 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 Graton?

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 Graton?

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

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

Average rainfall days - Graton, CA

The month with the highest number of rainy days is March (12.6 days).
The month with the lowest number of rainy days is August (0.8 days).

Average daylight / Average sunshine - Graton, CA

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

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