Monthly weather forecast and climate
Tomales, CA

Weather in January

January, like December, is another mild winter month in Tomales, California, with temperature in the range of an average low of 45.7°F (7.6°C) and an average high of 56.5°F (13.6°C). In January, the average high-temperature is essentially the same as in December - a still moderate 56.5°F (13.6°C). Weather in January »

Weather in February

February, the last month of the winter, in Tomales, is also a moderate month, with average temperature fluctuating between 57.2°F (14°C) and 45.9°F (7.7°C). In February, the average high-temperature is almost the same as in January - a still mild 57.2°F (14°C). Weather in February »

Weather in March

The first month of the spring, March, is still a mild month in Tomales, California, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 46.4°F (8°C). In Tomales, the average high-temperature is essentially the same as in February - a still moderate 57.9°F (14.4°C). Weather in March »

Weather in April

April in Tomales, California, is an enjoyable spring month, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 47.8°F (8.8°C). In Tomales, the average high-temperature in April is relatively the same as in March - an enjoyable 61.2°F (16.2°C). Weather in April »

Weather in May

May, the last month of the spring, in Tomales, is another comfortable month, with average temperature ranging between min 49.6°F (9.8°C) and max 63.7°F (17.6°C). In May, the average high-temperature is relatively the same as in April - a still enjoyable 63.7°F (17.6°C). Weather in May »

Weather in June

June, the first month of the summer, in Tomales, is an agreeable month, with average temperature ranging between min 53.2°F (11.8°C) and max 68.7°F (20.4°C). In Tomales, the average high-temperature is relatively the same as in May - a pleasant 68.7°F (20.4°C). Weather in June »

Weather in July

July, the same as June, in Tomales, California, is another pleasant summer month, with average temperature varying between 54°F (12.2°C) and 71.1°F (21.7°C). In Tomales, the average high-temperature is relatively the same as in June - a still agreeable 71.1°F (21.7°C). Weather in July »

Weather in August

August, the last month of the summer, in Tomales, is another pleasant month, with average temperature fluctuating between 71.4°F (21.9°C) and 54.9°F (12.7°C). In Tomales, California, the average high-temperature is almost the same as in July - a still agreeable 71.4°F (21.9°C). Weather in August »

Weather in September

September, the first month of the autumn, in Tomales, is still a pleasant month, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 72.5°F (22.5°C). With an average high-temperature of 72.5°F (22.5°C) and an average low-temperature of 54.7°F (12.6°C), September is the warmest month. Weather in September »

Weather in October

October, like September, in Tomales, California, is another enjoyable autumn month, with average temperature fluctuating between 53.2°F (11.8°C) and 67.5°F (19.7°C). In October, the average high-temperature is practically the same as in September - an enjoyable 67.5°F (19.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Tomales, California, with average temperature ranging between min 48.7°F (9.3°C) and max 60.6°F (15.9°C). In November, the average high-temperature slightly decreases, from an enjoyable 67.5°F (19.7°C) in October, to a mild 60.6°F (15.9°C). Weather in November »

Weather in December

The first month of the winter, December, is also a moderate month in Tomales, California, with temperature in the range of an average high of 55.4°F (13°C) and an average low of 45.3°F (7.4°C). With an average high-temperature of 55.4°F (13°C) and an average low-temperature of 45.3°F (7.4°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in Tomales?

Throughout the year, there are 83.1 rainfall days, and 20" (508mm) of precipitation is accumulated.

What are the months with the lowest UV index in Tomales?

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

What is the rainiest month in Tomales?

The month with the most rainfall in Tomales, California, is February when the rain falls for 9.6 days and typically aggregates up to 4.37" (111mm) of precipitation.

What is the most humid month in Tomales?

The most humid month in Tomales is March, with an average relative humidity of 78%.

When are the longest days in Tomales?

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

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

June through September, with an average maximum UV index of 5, are months with the highest UV index in Tomales, California.

What is the month with the most sunshine in Tomales?

July and August, with an average of 11.7h of sunshine, are months with the most sunshine in Tomales, California.

What is the driest month in Tomales?

August is the month with the least rainfall in Tomales, California. Rain falls for 1.1 days and accumulates 0.04" (1mm) of precipitation.

What is the warmest month in Tomales?

With an average high-temperature of 72.5°F (22.5°C) and an average low-temperature of 54.7°F (12.6°C), September is the warmest month in Tomales, California.

What are the least humid months in Tomales?

Months with the lowest humidity are September and October, with an average relative humidity of 71%.

What is the coldest month in Tomales?

With an average high-temperature of 55.4°F (13°C) and an average low-temperature of 45.3°F (7.4°C), December is the coldest month in Tomales, California.

What is the month with the shortest days in Tomales?

With an average of 9.5h of daylight, December has the shortest days of the year in Tomales.

What is the month with the least sunshine in Tomales?

With an average of 5.7h of sunshine, December has the least sunshine of the year in Tomales, California.

Average temperature
Tomales, CA

Average temperature - Tomales, CA

The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (55.4°F).

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).

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Average pressure
Tomales, CA

Average pressure - Tomales, CA

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

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Average wind speed
Tomales, CA

Average wind speed - Tomales, CA

The windiest month (with the highest average wind speed) is May (9.9mph).
The calmest month (with the lowest average wind speed) is November (6.7mph).

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Average humidity
Tomales, CA

Average humidity - Tomales, CA

The month with the highest relative humidity is March (78%).
Months with the lowest relative humidity are September and October (71%).

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Average rainfall
Tomales, CA

Average rainfall - Tomales, CA

The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days
Tomales, CA

Average rainfall days - Tomales, CA

The month with the highest number of rainy days is March (14.4 days).
The month with the least rainy days is August (1.1 days).

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Average daylight / Average sunshine
Tomales, CA

Average daylight / Average sunshine - Tomales, 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).

Months with the most sunshine are July and August (Average sunshine: 11.7h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days
Tomales, CA

Average sunshine days - Tomales, CA

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (14.8 days).

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Average UV index
Tomales, CA

Average UV index - Tomales, CA

Months with the highest UV index are June, July, August and September (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Tomales, CA

Average visibility - Tomales, 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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