May weather forecast
Penngrove, CA

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Weather in May

The last month of the spring, May, is a pleasant month in Penngrove, California, with an average temperature fluctuating between 69.3°F (20.7°C) and 48.6°F (9.2°C).

Temperature

In May, the average high-temperature registers at a pleasant 69.3°F (20.7°C), nearly identical to April's 64.9°F (18.3°C). In Penngrove, the May nights cool down to an average low of 48.6°F (9.2°C).

Humidity

In Penngrove, the average relative humidity in May is 70%.

Rainfall

In Penngrove, during May, the rain falls for 2.9 days and regularly aggregates up to 0.24" (6mm) of precipitation. Throughout the year, there are 44.3 rainfall days, and 3.78" (96mm) of precipitation is accumulated.

Daylight

In Penngrove, California, the average length of the day in May is 14h and 16min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:28 pm PDT.

Sunshine

In May, the average sunshine is 10.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 5 suggests these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What is the temperature in May in Penngrove?

May temperatures vary between a high-temperature of 69.3°F (20.7°C) and a low-temperature of 48.6°F (9.2°C).

What is the average humidity in May in Penngrove?

The average relative humidity in May in Penngrove is 70%.

How many days does it rain in May in Penngrove?

In May, in Penngrove, California, the rain falls for 2.9 days. Throughout May, 0.24" (6mm) of precipitation is accumulated.

How many hours of daylight does Penngrove have in May?

The average day length in May in Penngrove is 14h and 16min.

When are sunrise and sunset in May in Penngrove?

On the first day of May in Penngrove, sunrise is at 6:12 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:28 pm PDT.

How many hours of sunshine does Penngrove have in May?

In Penngrove, the average sunshine duration in May is 10.6h.

What is the UV index intensity in May in Penngrove?

In Penngrove, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Penngrove, CA

Average temperature in May - Penngrove, CA
  • Average high temperature in May: 69.3°F

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).

  • Average low temperature in May: 48.6°F

The 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 pressure in May
Penngrove, CA

Average pressure in May - Penngrove, CA
  • Average pressure in May: 29.98"Hg

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).

Average wind speed in May
Penngrove, CA

Average wind speed in May - Penngrove, CA
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

Average humidity in May
Penngrove, CA

Average humidity in May - Penngrove, CA
  • Average humidity in May: 70%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (62%).

Average rainfall in May
Penngrove, CA

Average rainfall in May - Penngrove, CA
  • Average rainfall in May: 0.24"

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 in May
Penngrove, CA

Average rainfall days in May - Penngrove, CA
  • Average rainfall days in May: 2.9 days

The month with the highest number of rainy days is March (8.7 days).
The month with the least rainy days is August (0.5 days).

Average daylight in May /
Average sunshine in May
Penngrove, CA

Average daylight in May / Average sunshine in May - Penngrove, CA
  • Average daylight in May: 14h and 2min

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 36min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in May
Penngrove, CA

Average sunshine days in May - Penngrove, CA
  • Average sunshine days in May: 26.6 days

The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is March (20.8 days).

Average UV index in May
Penngrove, CA

Average UV index in May - Penngrove, CA
  • Average UV index in May: 5

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

Average cloud cover in May
Penngrove, CA

Average cloud cover in May - Penngrove, CA
  • Average cloud cover in May: 26

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in May
Penngrove, CA

Average visibility in May - Penngrove, CA
  • Average visibility in May: 6mi

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).

Penngrove, California, USA

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