Penngrove
California, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Penngrove, CA

January, the same as December, in Penngrove, California, is a moderate winter month, with average temperature ranging between max 57°F (13.9°C) and min 43.2°F (6.2°C). In Penngrove, the average high-temperature in January is essentially the same as in December - a still mild 57°F (13.9°C). Weather in January »

February, the last month of the winter, in Penngrove, is also a moderate month, with average temperature fluctuating between 42.6°F (5.9°C) and 58.6°F (14.8°C). In Penngrove, California, the average high-temperature is almost the same as in January - a still moderate 58.6°F (14.8°C). Weather in February »

The first month of the spring, March, is also a moderate month in Penngrove, California, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 60.4°F (15.8°C). In Penngrove, the average high-temperature in March is relatively the same as in February - a still moderate 60.4°F (15.8°C). Weather in March »

April is a comfortable spring month in Penngrove, California, with average temperature varying between 45.5°F (7.5°C) and 64.9°F (18.3°C). In Penngrove, the average high-temperature in April is almost the same as in March - a comfortable 64.9°F (18.3°C). Weather in April »

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

The first month of the summer, June, is a warm month in Penngrove, California, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 52.9°F (11.6°C). In Penngrove, California, the average high-temperature marginally rises, from an agreeable 69.3°F (20.7°C) in May, to a moderately hot 76.5°F (24.7°C). Weather in June »

July, the same as June, is a moderately hot summer month in Penngrove, California, with average temperature varying between 79.9°F (26.6°C) and 54.5°F (12.5°C). July and August, with an average high-temperature of 79.9°F (26.6°C), are the warmest months. Weather in July »

August, the last month of the summer, in Penngrove, is also a moderately hot month, with average temperature fluctuating between 55°F (12.8°C) and 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 »

The first month of the autumn, September, is still a warm month in Penngrove, California, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 79.3°F (26.3°C). In September, the average high-temperature is almost the same as in August - a still warm 79.3°F (26.3°C). Weather in September »

October, the same as September, in Penngrove, California, is another pleasant autumn month, with average temperature ranging between max 72.3°F (22.4°C) and min 51.8°F (11°C). In Penngrove, the average high-temperature in October 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 »

November, the last month of the autumn, in Penngrove, is also an enjoyable month, with average temperature ranging between min 46°F (7.8°C) and max 63.5°F (17.5°C). In Penngrove, the average high-temperature marginally drops, from an agreeable 72.3°F (22.4°C) in October, to a comfortable 63.5°F (17.5°C). Weather in November »

December, the first month of the winter, in Penngrove, is also a moderate month, with average temperature fluctuating between 55.6°F (13.1°C) and 42.4°F (5.8°C). With an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 42.4°F (5.8°C), December is the coldest month. Weather in December »

How much does it rain in Penngrove?

In Penngrove, during the entire year, the rain falls for 44.3 days and collects up to 3.78" (96mm) of precipitation.

When is the lowest UV index in Penngrove?

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

What is the wettest month in Penngrove?

The month with the most rainfall in Penngrove is February when the rain falls for 5.3 days and typically aggregates up to 0.91" (23mm) of precipitation.

What is the most humid month in Penngrove?

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

What is the driest month in Penngrove?

June through September are months with the least rain when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.

When are the longest days in Penngrove?

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

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

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

What are the warmest months in Penngrove?

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

What month has the most sunshine in Penngrove?

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

What is the least humid month in Penngrove?

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

What is the coldest month in Penngrove?

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

What is the month with the shortest days in Penngrove?

With an average of 9.5h of daylight, December has the shortest days of the year in Penngrove, California.

What is the month with the least sunshine in Penngrove?

With an average of 5.7h of sunshine, December has the least sunshine of the year.
Average temperature - Penngrove, 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).

Average rainfall - Penngrove, 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").

Average rainfall days - Penngrove, CA
Average daylight / Average sunshine - Penngrove, 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).