Monthly weather forecast and climate
Catheys Valley, CA

Weather in January

January, like December, is a moderate winter month in Catheys Valley, California, with average temperature varying between 42.4°F (5.8°C) and 58.6°F (14.8°C). In Catheys Valley, California, the average high-temperature is essentially the same as in December - a still moderate 58.6°F (14.8°C). Weather in January »

Weather in February

February, the last month of the winter, in Catheys Valley, is an enjoyable month, with average temperature varying between 42.6°F (5.9°C) and 61.5°F (16.4°C). In Catheys Valley, the average high-temperature is practically the same as in January - an enjoyable 61.5°F (16.4°C). Weather in February »

Weather in March

The first month of the spring, March, is still a comfortable month in Catheys Valley, California, with average temperature fluctuating between 66.7°F (19.3°C) and 45°F (7.2°C). In Catheys Valley, the average high-temperature in March is practically the same as in February - a still comfortable 66.7°F (19.3°C). Weather in March »

Weather in April

April is a warm spring month in Catheys Valley, California, with average temperature varying between 73.4°F (23°C) and 49.1°F (9.5°C). In Catheys Valley, the average high-temperature in April marginally rises, from an enjoyable 66.7°F (19.3°C) in March, to a warm 73.4°F (23°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Catheys Valley, California, with average temperature varying between 81.5°F (27.5°C) and 55.2°F (12.9°C). In Catheys Valley, the average high-temperature in May slightly increases, from 73.4°F (23°C) in April, to a still moderately hot 81.5°F (27.5°C). Weather in May »

Weather in June

June, the first month of the summer, in Catheys Valley, is a tropical month, with temperature in the range of an average high of 92.1°F (33.4°C) and an average low of 61.3°F (16.3°C). In Catheys Valley, the average high-temperature in June increases, from a moderately hot 81.5°F (27.5°C) in May, to a hot 92.1°F (33.4°C). Weather in June »

Weather in July

July in Catheys Valley, California, is a very hot summer month, with average temperature ranging between max 99.1°F (37.3°C) and min 65.5°F (18.6°C). The warmest month is July, with an average high-temperature of 99.1°F (37.3°C) and an average low-temperature of 65.5°F (18.6°C). Weather in July »

Weather in August

August, the last month of the summer, in Catheys Valley, is another very hot month, with average temperature fluctuating between 64.8°F (18.2°C) and 97.9°F (36.6°C). In August, the average high-temperature is practically the same as in July - a still torrid 97.9°F (36.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Catheys Valley, California, with average temperature fluctuating between 92.3°F (33.5°C) and 62.2°F (16.8°C). In September, the average high-temperature slightly decreases, from a very hot 97.9°F (36.6°C) in August, to a hot 92.3°F (33.5°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Catheys Valley, California, with average temperature varying between 78.4°F (25.8°C) and 55.6°F (13.1°C). In October, the average high-temperature decreases, from a hot 92.3°F (33.5°C) in September, to a warm 78.4°F (25.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Catheys Valley, California, with average temperature fluctuating between 66°F (18.9°C) and 47.3°F (8.5°C). In November, the average high-temperature decreases, from a warm 78.4°F (25.8°C) in October, to a comfortable 66°F (18.9°C). Weather in November »

Weather in December

December, the first month of the winter, in Catheys Valley, is also a moderate month, with average temperature ranging between min 41.9°F (5.5°C) and max 55.9°F (13.3°C). December is the coldest month, with an average high-temperature of 55.9°F (13.3°C) and an average low-temperature of 41.9°F (5.5°C). Weather in December »
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FAQ

What is the most humid month in Catheys Valley?

With an average relative humidity of 70%, January is the most humid month.

How much does it rain in Catheys Valley?

In Catheys Valley, California, during the entire year, the rain falls for 62.9 days and collects up to 11.69" (297mm) of precipitation.

What are the months with the lowest UV index in Catheys Valley?

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

What is the wettest month in Catheys Valley?

The month with the most rainfall in Catheys Valley, California, is March when the rain falls for 11.3 days and typically aggregates up to 2.44" (62mm) of precipitation.

When are the longest days in Catheys Valley?

With an average of 14.7h of daylight, June has the longest days of the year in Catheys Valley.

When is the highest UV index in Catheys Valley?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the warmest month in Catheys Valley?

The warmest month in Catheys Valley, California, is July, with an average high-temperature of 99.1°F (37.3°C) and an average low-temperature of 65.5°F (18.6°C).

What is the least humid month in Catheys Valley?

The least humid month in Catheys Valley, California, is July, with an average relative humidity of 32%.

What month has the most sunshine in Catheys Valley?

July has the most sunshine of the year, with an average of 12.2h of sunshine.

What is the driest month in Catheys Valley?

August is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.

What is the coldest month in Catheys Valley?

With an average high-temperature of 55.9°F (13.3°C) and an average low-temperature of 41.9°F (5.5°C), December is the coldest month in Catheys Valley.

What is the month with the shortest days in Catheys Valley?

With an average of 9.6h of daylight, December has the shortest days of the year in Catheys Valley.

What is the month with the least sunshine in Catheys Valley?

December has the least sunshine of the year in Catheys Valley, with an average of 6.1h of sunshine.

Average temperature
Catheys Valley, CA

Average temperature - Catheys Valley, CA

The warmest month (with the highest average high temperature) is July (99.1°F).
The month with the lowest average high temperature is December (55.9°F).

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure
Catheys Valley, CA

Average pressure - Catheys Valley, CA

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed
Catheys Valley, CA

Average wind speed - Catheys Valley, CA

The windiest month (with the highest average wind speed) is June (8.3mph).
The calmest months (with the lowest average wind speed) are January and November (5.2mph).

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Average humidity
Catheys Valley, CA

Average humidity - Catheys Valley, CA

The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is July (32%).

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Average rainfall
Catheys Valley, CA

Average rainfall - Catheys Valley, CA

The wettest month (with the highest rainfall) is March (2.44").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days
Catheys Valley, CA

Average rainfall days - Catheys Valley, CA

The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is June (1.1 days).

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Average daylight / Average sunshine
Catheys Valley, CA

Average daylight / Average sunshine - Catheys Valley, CA

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.1h).

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Average sunshine days
Catheys Valley, CA

Average sunshine days - Catheys Valley, CA

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (18.8 days).

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Average UV index
Catheys Valley, CA

Average UV index - Catheys Valley, CA

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Catheys Valley, CA

Average visibility - Catheys Valley, 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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