Monthly weather forecast and climate
Winchester, CA

Weather in January

January, like December, in W"ter, California, is another enjoyable winter month, with average temperature fluctuating between 63.5°F (17.5°C) and 44.2°F (6.8°C). In January, the average high-temperature is essentially the same as in December - a still comfortable 63.5°F (17.5°C). Weather in January »

Weather in February

The last month of the winter, February, is another comfortable month in W"ter, California, with average temperature varying between 63°F (17.2°C) and 43.2°F (6.2°C). In February, the average high-temperature is essentially the same as in January - a still enjoyable 63°F (17.2°C). Weather in February »

Weather in March

March, the first month of the spring, in W"ter, is still a comfortable month, with average temperature fluctuating between 45.1°F (7.3°C) and 66.7°F (19.3°C). In March, the average high-temperature is essentially the same as in February - a still comfortable 66.7°F (19.3°C). Weather in March »

Weather in April

April is an agreeable spring month in W"ter, California, with average temperature fluctuating between 70.7°F (21.5°C) and 47.8°F (8.8°C). In April, the average high-temperature is almost the same as in March - an agreeable 70.7°F (21.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in W"ter, California, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 74.3°F (23.5°C). In W"ter, the average high-temperature in May is relatively the same as in April - a warm 74.3°F (23.5°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in W"ter, California, with average temperature fluctuating between 82.9°F (28.3°C) and 55.4°F (13°C). In W"ter, the average high-temperature slightly increases, from 74.3°F (23.5°C) in May, to a still warm 82.9°F (28.3°C). Weather in June »

Weather in July

July is a hot summer month in W"ter, California, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 88.2°F (31.2°C). In W"ter, the average high-temperature is essentially the same as in June - a hot 88.2°F (31.2°C). Weather in July »

Weather in August

August, the last month of the summer, in W"ter, is another tropical month, with average temperature fluctuating between 63.3°F (17.4°C) and 89.6°F (32°C). The warmest month is August, with an average high-temperature of 89.6°F (32°C) and an average low-temperature of 63.3°F (17.4°C). In August, the average heat index is estimated at a hot 92.7°F (33.7°C). Weather in August »

Weather in September

September, the first month of the autumn, in W"ter, is still a warm month, with average temperature ranging between min 61.3°F (16.3°C) and max 85.8°F (29.9°C). In September, the average high-temperature is relatively the same as in August - a warm 85.8°F (29.9°C). Weather in September »

Weather in October

October, like September, in W"ter, California, is another warm autumn month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 54.5°F (12.5°C). In W"ter, the average high-temperature marginally drops, from 85.8°F (29.9°C) in September, to a still moderately hot 77.9°F (25.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in W"ter, California, with average temperature varying between 69.1°F (20.6°C) and 48.4°F (9.1°C). In November, the average high-temperature slightly decreases, from a warm 77.9°F (25.5°C) in October, to an agreeable 69.1°F (20.6°C). Weather in November »

Weather in December

December, the first month of the winter, in W"ter, is still a comfortable month, with average temperature ranging between max 61°F (16.1°C) and min 43°F (6.1°C). With an average high-temperature of 61°F (16.1°C) and an average low-temperature of 43°F (6.1°C), December is the coldest month. Weather in December »
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FAQ

How much does it rain in W"ter?

In W"ter, California, during the entire year, the rain falls for 55.7 days and collects up to 7.05" (179mm) of precipitation.

How much does it snow in W"ter?

Throughout the year, in W"ter, 0.04" (1mm) of snow is accumulated.

When it does not snow in W"ter?

In W"ter snow does not fall in January, March through December.

When does it snow in W"ter?

February is the only month when snow falls.

What is the snowiest month in W"ter?

The month with the most snowfall in W"ter, California, is February when snow falls for 0.2 days and typically aggregates up to 0.04" (1mm) of snow.

What is the most humid month in W"ter?

May is the most humid month, with an average relative humidity of 60%.

What is the driest month in W"ter?

The month with the least rainfall in W"ter is June when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in W"ter?

With an average of 14.4h of daylight, June has the longest days of the year.

What month has the most sunshine in W"ter?

The month with the most sunshine in W"ter is July, with an average of 12.1h of sunshine.

When is the highest UV index in W"ter?

July is the month with the highest UV index, with an average maximum UV index of 7.

What is the warmest month in W"ter?

The warmest month in W"ter is August, with an average high-temperature of 89.6°F (32°C) and an average low-temperature of 63.3°F (17.4°C).

What is the least humid month in W"ter?

August is the least humid month in W"ter, with an average relative humidity of 47%.

What is the coldest month in W"ter?

With an average high-temperature of 61°F (16.1°C) and an average low-temperature of 43°F (6.1°C), December is the coldest month in W"ter.

What is the wettest month in W"ter?

December is the month with the most rainfall. Rain falls for 6.5 days and accumulates 1.38" (35mm) of precipitation.

What is the month with the shortest days in W"ter?

December has the shortest days of the year, with an average of 9.9h of daylight.

What is the month with the least sunshine in W"ter?

With an average of 6.7h of sunshine, December has the least sunshine of the year in W"ter, California.

When is the lowest UV index in W"ter?

With an average maximum UV index of 3, December is the month with the lowest UV index.

Average temperature
Winchester, CA

Average temperature - Winchester, CA

The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is December (61°F).

The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43°F).

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Average pressure
Winchester, CA

Average pressure - Winchester, CA

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed
Winchester, CA

Average wind speed - Winchester, CA

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).

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Average rainfall
Winchester, CA

Average rainfall - Winchester, CA

The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days
Winchester, CA

Average rainfall days - Winchester, CA

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.3 days).

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Average snowfall
Winchester, CA

Average snowfall - Winchester, CA

The month with the highest snowfall is February (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days
Winchester, CA

Average snowfall days - Winchester, CA

The month with the highest number of snowfall days is February (0.2 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight / Average sunshine
Winchester, CA

Average daylight / Average sunshine - Winchester, CA

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days
Winchester, CA

Average sunshine days - Winchester, CA

The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (21.6 days).

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Average visibility
Winchester, CA

Average visibility - Winchester, 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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