May weather forecast
Forestville, CA

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Weather in May

The last month of the spring, May, is a pleasant month in Forestville, California, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 47.7°F (8.7°C).

Temperature

In Forestville, May's average high-temperature stands at a pleasant 71.6°F (22°C), closely related to the preceding month. Forestville witnesses a consistent, sharp contrast from the daytime highs, with an average low-temperature of 47.7°F (8.7°C) throughout May.

Humidity

The average relative humidity in May in Forestville is 67%.

Rainfall

In Forestville, California, in May, during 5.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Forestville, during the entire year, the rain falls for 80.5 days and collects up to 17.6" (447mm) of precipitation.

Daylight

In May, the average length of the day is 14h and 17min.
On the first day of May, sunrise is at 6:13 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:29 pm PDT.

Sunshine

In Forestville, the average sunshine in May is 10.5h.

UV index

In Forestville, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the usual temperature for Forestville in May?

Forestville in May has an average high-temperature of 71.6°F (22°C) and an average low-temperature of 47.7°F (8.7°C).

What is the average humidity in May in Forestville?

In May, the average relative humidity in Forestville is 67%.

How much does it rain in Forestville in May?

In Forestville, during May, the rain falls for 5.8 days and regularly aggregates up to 0.91" (23mm) of precipitation.

How many hours of daylight does Forestville have in May?

In May, the average day length in Forestville is 14h and 17min.

When is the sunrise / sunset in May in Forestville?

On the first day of May in Forestville, California, sunrise is at 6:13 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:29 pm PDT.

How long on average sun shines in May in Forestville?

The average sunshine duration in May in Forestville, California, is 10.5h.

What is the UV index reading in May in Forestville?

In Forestville, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Forestville, CA

Average temperature in May - Forestville, CA
  • Average high temperature in May: 71.6°F

The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in May: 47.7°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).

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Average pressure in May
Forestville, CA

Average pressure in May - Forestville, 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).

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Average wind speed in May
Forestville, CA

Average wind speed in May - Forestville, CA
  • Average wind speed in May: 6.4mph

The windiest month (with the highest average wind speed) is May (6.4mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

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Average humidity in May
Forestville, CA

Average humidity in May - Forestville, CA
  • Average humidity in May: 67%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (58%).

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Average rainfall in May
Forestville, CA

Average rainfall in May - Forestville, CA
  • Average rainfall in May: 0.91"

The wettest month (with the highest rainfall) is February (3.78").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in May
Forestville, CA

Average rainfall days in May - Forestville, CA
  • Average rainfall days in May: 5.8 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1 days).

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

Average daylight in May / Average sunshine in May - Forestville, 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 30min).

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in May
Forestville, CA

Average sunshine days in May - Forestville, CA
  • Average sunshine days in May: 23.3 days

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (15.3 days).

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Average UV index in May
Forestville, CA

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

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

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Average cloud cover in May
Forestville, CA

Average cloud cover in May - Forestville, CA
  • Average cloud cover in May: 27

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in May
Forestville, CA

Average visibility in May - Forestville, 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).

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Forestville, California, USA

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