Climate and monthly weather forecast
Windsor, CA

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Weather in January

January, like December, is another mild winter month in Windsor, California, with an average temperature ranging between max 57.6°F (14.2°C) and min 41.4°F (5.2°C). Windsor ushers in January with an average high-temperature of a still refreshing 57.6°F (14.2°C), showing a close resemblance to the previous month. Weather in January »

Weather in February

February, the last month of the winter in Windsor, is another refreshing month, with an average temperature ranging between max 59.4°F (15.2°C) and min 41.2°F (5.1°C). The average high-temperature is a still moderate 59.4°F (15.2°C) in February, hardly different from the 57.6°F (14.2°C) recorded in January. Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Windsor, California, with an average temperature fluctuating between 60.8°F (16°C) and 42.3°F (5.7°C). The start of March sees the average high-temperature at a still refreshing 60.8°F (16°C), showing little difference from February's 59.4°F (15.2°C). Weather in March »

Weather in April

April, the same as March, is another refreshing spring month in Windsor, California, with an average temperature fluctuating between 66.6°F (19.2°C) and 44.4°F (6.9°C). In Windsor, the average high-temperature in April slightly increases from a comfortable 60.8°F (16°C) in March to a still enjoyable 66.6°F (19.2°C). Weather in April »

Weather in May

May, the last month of the spring in Windsor, is an agreeable month, with an average temperature fluctuating between 47.7°F (8.7°C) and 71.6°F (22°C). The advent of May reveals an average high-temperature of a pleasant 71.6°F (22°C), showing minimal difference from the prior month. Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Windsor, California, with an average temperature ranging between max 79.3°F (26.3°C) and min 52.7°F (11.5°C). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from a pleasant 71.6°F (22°C) in May to a warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Windsor, California, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 83.3°F (28.5°C). Windsor signifies an average high-temperature of a still warm 83.3°F (28.5°C) in July, closely mirroring the 79.3°F (26.3°C) of June. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Windsor, California, with an average temperature varying between 83.5°F (28.6°C) and 54.3°F (12.4°C). The month of August sees the highest average temperatures, reaching 83.5°F (28.6°C) at the peak and 54.3°F (12.4°C) at the low. In August, the heat index is appraised at a tropical 87.8°F (31°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Windsor, California, with an average temperature ranging between max 82.2°F (27.9°C) and min 53.6°F (12°C). The high-temperature average in September for Windsor is a still moderately hot 82.2°F (27.9°C), staying closely aligned with August's conditions. Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Windsor, California, with an average temperature varying between 73.6°F (23.1°C) and 50.4°F (10.2°C). Windsor's weather in October involves a mild decrease in the average high-temperature, moving down slightly from September's moderately hot 82.2°F (27.9°C) to a still warm 73.6°F (23.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Windsor, is also an enjoyable month, with an average temperature varying between 44.4°F (6.9°C) and 63.5°F (17.5°C). In November, the average high-temperature decreases from a warm 73.6°F (23.1°C) in October to an enjoyable 63.5°F (17.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in Windsor, California, with an average temperature fluctuating between 40.5°F (4.7°C) and 55.8°F (13.2°C). In Windsor, December records the lowest average temperatures, peaking at 55.8°F (13.2°C) and reaching a low of 40.5°F (4.7°C). Weather in December »
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Frequently asked questions

How many days does it rain in Windsor?

In Windsor, during the entire year, the rain falls for 80.5 days and collects up to 17.6" (447mm) of precipitation.

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

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

What is the rainiest month in Windsor?

February is the month with the most rainfall in Windsor, California. Rain falls for 9.4 days and accumulates 3.78" (96mm) of precipitation.

What is the most humid month in Windsor?

The most humid month in Windsor, California, is March, with an average relative humidity of 76%.

When is Daylight Saving Time (DST) in Windsor?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Windsor, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days in Windsor?

The month with the longest days in Windsor, California, is June, with an average of 14h and 48min of daylight.

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

The months with the highest UV index in Windsor are June through August, with an average maximum UV index of 6.

What is the driest month in Windsor?

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

What month has the most sunshine in Windsor?

The month with the most sunshine is July, with an average of 12h of sunshine.

What month is the hottest in Windsor?

Windsor, California, experiences its average highest temperatures in August, reaching a peak of 83.5°F (28.6°C) and a minimum of 54.3°F (12.4°C).

What is the least humid month in Windsor?

The least humid month is September, with an average relative humidity of 58%.

What part of the year is the coldest in Windsor?

With average high and low temperatures of 55.8°F (13.2°C) and 40.5°F (4.7°C) respectively, December is Windsor's coldest month.

What is the month with the shortest days in Windsor?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Windsor?

December has the least sunshine of the year, with an average of 5.6h of sunshine.

Average temperature
Windsor, CA

Average temperature - Windsor, CA

The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (55.8°F).

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).

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Average pressure
Windsor, CA

Average pressure - Windsor, CA

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

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Average wind speed
Windsor, CA

Average wind speed - Windsor, CA

The windiest month (with the highest average wind speed) is May (6.4mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

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Average rainfall
Windsor, CA

Average rainfall - Windsor, CA

The wettest month (with the highest rainfall) is February (3.78").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Windsor, CA

Average rainfall days - Windsor, CA

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1 days).

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Average daylight / Average sunshine
Windsor, CA

Average daylight / Average sunshine - Windsor, CA

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days
Windsor, CA

Average sunshine days - Windsor, CA

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (15.3 days).

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Average UV index
Windsor, CA

Average UV index - Windsor, CA

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Windsor, CA

Average visibility - Windsor, CA

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Windsor, California, USA

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