Monthly weather forecast and climate
Cotati, CA

Weather in January

January, the same as December, in Cotati, California, is another mild winter month, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 57°F (13.9°C). In January, the average high-temperature is essentially 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 Cotati, California, with average temperature varying between 42.6°F (5.9°C) and 58.6°F (14.8°C). In Cotati, California, the average high-temperature is practically the same as in January - a still moderate 58.6°F (14.8°C). Weather in February »

Weather in March

March, the first month of the spring, in Cotati, is still a mild month, with average temperature ranging between min 44.1°F (6.7°C) and max 60.4°F (15.8°C). In March, the average high-temperature is essentially the same as in February - a still moderate 60.4°F (15.8°C). Weather in March »

Weather in April

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

Weather in May

The last month of the spring, May, is an agreeable month in Cotati, California, with average temperature ranging between max 69.3°F (20.7°C) and min 48.6°F (9.2°C). In May, the average high-temperature is almost the same as in April - an agreeable 69.3°F (20.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Cotati, is a moderately hot month, with average temperature ranging between min 52.9°F (11.6°C) and max 76.5°F (24.7°C). In June, the average high-temperature slightly increases, from an agreeable 69.3°F (20.7°C) in May, to a warm 76.5°F (24.7°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Cotati, California, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 79.9°F (26.6°C). The warmest months are July and August, with an average high-temperature of 79.9°F (26.6°C). Weather in July »

Weather in August

August, the last month of the summer, in Cotati, is another warm month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 79.9°F (26.6°C). The warmest months are July and August, with an average high-temperature of 79.9°F (26.6°C). Weather in August »

Weather in September

September, the first month of the autumn, in Cotati, is still a warm month, with average temperature fluctuating between 79.3°F (26.3°C) and 55°F (12.8°C). In Cotati, the average high-temperature is practically the same as in August - a still warm 79.3°F (26.3°C). Weather in September »

Weather in October

October, the same as September, in Cotati, California, is another pleasant autumn month, with average temperature varying between 51.8°F (11°C) and 72.3°F (22.4°C). In Cotati, California, the average high-temperature slightly decreases, from a moderately hot 79.3°F (26.3°C) in September, to a pleasant 72.3°F (22.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Cotati, California, with average temperature varying between 46°F (7.8°C) and 63.5°F (17.5°C). In November, the average high-temperature slightly decreases, from an agreeable 72.3°F (22.4°C) in October, to an enjoyable 63.5°F (17.5°C). Weather in November »

Weather in December

December, the first month of the winter, in Cotati, is also a moderate month, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 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 42.4°F (5.8°C). Weather in December »
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FAQ

How much does it rain in Cotati?

Throughout the year, there are 44.3 rainfall days, and 3.78" (96mm) of precipitation is accumulated.

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

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

What is the rainiest month in Cotati?

February is the month with the most rainfall in Cotati. Rain falls for 5.3 days and accumulates 0.91" (23mm) of precipitation.

What is the most humid month in Cotati?

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

What is the driest month in Cotati?

Months with the least rainfall in Cotati are June through September Rain falls for 0.8 days and accumulates 0.04" (1mm) of rain.

When are the longest days in Cotati?

With an average of 14.8h of daylight, June has the longest days of the year.

When is the highest UV index in Cotati?

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

What is the warmest month in Cotati?

July and August, with an average high-temperature of 79.9°F (26.6°C), are warmest months in Cotati.

What month has the most sunshine in Cotati?

With an average of 11.9h of sunshine, July has the most sunshine of the year in Cotati.

What is the least humid month in Cotati?

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

What is the coldest month in Cotati?

December is the coldest month in Cotati, with an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 42.4°F (5.8°C).

What is the month with the shortest days in Cotati?

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

What is the month with the least sunshine in Cotati?

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

Average temperature
Cotati, CA

Average temperature - Cotati, CA

The warmest months (with the highest average high temperature) are July and August (79.9°F).
The month with the lowest average high temperature is December (55.6°F).

Months with the highest average low temperature are August and September (55°F).
The coldest month (with the lowest average low temperature) is December (42.4°F).

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Average pressure
Cotati, CA

Average pressure - Cotati, 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
Cotati, CA

Average wind speed - Cotati, CA

The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average rainfall
Cotati, CA

Average rainfall - Cotati, CA

The wettest month (with the highest rainfall) is February (0.91").
The driest months (with the least rainfall) are June, July, August and September (0.04").

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Average rainfall days
Cotati, CA

Average rainfall days - Cotati, CA

The month with the highest number of rainy days is March (8.7 days).
The month with the least rainy days is August (0.5 days).

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Average daylight / Average sunshine
Cotati, CA

Average daylight / Average sunshine - Cotati, 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).

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Average sunshine days
Cotati, CA

Average sunshine days - Cotati, CA

The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is March (20.8 days).

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Average visibility
Cotati, CA

Average visibility - Cotati, 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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