Monthly weather forecast and climate
Penn Valley, CA

Weather in January

January, like December, in Penn Valley, California, is a cool winter month, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 53.8°F (12.1°C). In January, the average high-temperature is practically the same as in December - a still fresh 53.8°F (12.1°C). Weather in January »

Weather in February

February, the last month of the winter, in Penn Valley, is another cool month, with average temperature ranging between min 37.8°F (3.2°C) and max 54.5°F (12.5°C). In February, the average high-temperature is practically the same as in January - a still fresh 54.5°F (12.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a moderate month in Penn Valley, California, with average temperature varying between 56.5°F (13.6°C) and 39.9°F (4.4°C). In March, the average high-temperature is essentially the same as in February - a moderate 56.5°F (13.6°C). Weather in March »

Weather in April

April in Penn Valley, California, is an enjoyable spring month, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 63.1°F (17.3°C). In Penn Valley, the average high-temperature marginally rises, from a mild 56.5°F (13.6°C) in March, to an enjoyable 63.1°F (17.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Penn Valley, is an agreeable month, with average temperature varying between 48.4°F (9.1°C) and 71.2°F (21.8°C). In Penn Valley, the average high-temperature in May slightly increases, from an enjoyable 63.1°F (17.3°C) in April, to an agreeable 71.2°F (21.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Penn Valley, California, with average temperature varying between 82°F (27.8°C) and 55.9°F (13.3°C). In June, the average high-temperature rises, from an agreeable 71.2°F (21.8°C) in May, to a moderately hot 82°F (27.8°C). Weather in June »

Weather in July

July in Penn Valley, California, is a hot summer month, with average temperature varying between 60.1°F (15.6°C) and 90.1°F (32.3°C). With an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 60.1°F (15.6°C), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer, in Penn Valley, is also a hot month, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 59.2°F (15.1°C). In August, the average high-temperature is practically the same as in July - a still tropical 89.2°F (31.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Penn Valley, California, with average temperature varying between 56.5°F (13.6°C) and 83.8°F (28.8°C). In Penn Valley, California, the average high-temperature slightly decreases, from a hot 89.2°F (31.8°C) in August, to a moderately hot 83.8°F (28.8°C). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Penn Valley, California, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 50.7°F (10.4°C). In October, the average high-temperature drops, from a warm 83.8°F (28.8°C) in September, to an agreeable 72°F (22.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Penn Valley, California, with average temperature ranging between max 59.5°F (15.3°C) and min 42.8°F (6°C). In November, the average high-temperature decreases, from an agreeable 72°F (22.2°C) in October, to a mild 59.5°F (15.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Penn Valley, is also a fresh month, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 51.3°F (10.7°C). With an average high-temperature of 51.3°F (10.7°C) and an average low-temperature of 37.2°F (2.9°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in Penn Valley?

In Penn Valley, during the entire year, the rain falls for 82 days and collects up to 33.11" (841mm) of precipitation.

When does it snow in Penn Valley?

Months with snowfall in Penn Valley, California, are January through May, November and December.

How much does it snow in Penn Valley?

In Penn Valley, during the entire year, snow falls for 6.8 days, and aggregates up to 14.41" (366mm) of snow.

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

January has the least sunshine of the year in Penn Valley, with an average of 5.7h of sunshine.

When does it snow the most in Penn Valley?

February is the month with the most snowfall. Snow falls for 2.2 days and accumulates 6.42" (163mm) of snow.

What is the most humid month in Penn Valley?

The most humid month in Penn Valley is March, with an average relative humidity of 75%.

What is the wettest month in Penn Valley?

The month with the most rainfall in Penn Valley is March when the rain falls for 15.1 days and typically aggregates up to 6.57" (167mm) of precipitation.

When it does not snow in Penn Valley?

June through October are months without snowfall.

When are the longest days in Penn Valley?

The month with the longest days is June, with an average of 14.9h of daylight.

What is the warmest month in Penn Valley?

The warmest month is July, with an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 60.1°F (15.6°C).

What is the least humid month in Penn Valley?

July is the least humid month, with an average relative humidity of 37%.

What is the driest month in Penn Valley?

Months with the least rainfall are July and August Rain falls for 1.1 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Penn Valley?

The month with the most sunshine in Penn Valley, California, is July, with an average of 12.2h of sunshine.

What is the month with the highest UV index in Penn Valley?

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

What is the month with the lowest UV index in Penn Valley?

With an average maximum UV index of 2, November is the month with the lowest UV index.

What is the coldest month in Penn Valley?

With an average high-temperature of 51.3°F (10.7°C) and an average low-temperature of 37.2°F (2.9°C), December is the coldest month in Penn Valley, California.

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

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

Average temperature
Penn Valley, CA

Average temperature - Penn Valley, CA

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (51.3°F).

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

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Average pressure
Penn Valley, CA

Average pressure - Penn Valley, CA

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed
Penn Valley, CA

Average wind speed - Penn Valley, CA

The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average rainfall
Penn Valley, CA

Average rainfall - Penn Valley, CA

The wettest month (with the highest rainfall) is March (6.57").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Penn Valley, CA

Average rainfall days - Penn Valley, CA

The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (1.1 days).

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Average snowfall
Penn Valley, CA

Average snowfall - Penn Valley, CA

The month with the highest snowfall is February (6.42").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Penn Valley, CA

Average snowfall days - Penn Valley, CA

The month with the highest number of snowfall days is March (2.4 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Penn Valley, CA

Average daylight / Average sunshine - Penn Valley, CA

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is January (Average sunshine: 5.7h).

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Average sunshine days
Penn Valley, CA

Average sunshine days - Penn Valley, CA

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).

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Average visibility
Penn Valley, CA

Average visibility - Penn 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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