May weather forecast
Penn Valley, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Penn Valley, Pennsylvania, with an average temperature ranging between min 54.3°F (12.4°C) and max 71.8°F (22.1°C).

Temperature

May's arrival signals a temperature shift, moving from a comfortable 61.2°F (16.2°C) in April to a pleasant 71.8°F (22.1°C). Penn Valley's average low-temperature during May nights is observed to be a cool 54.3°F (12.4°C).

Humidity

In Penn Valley, the average relative humidity in May is 75%.

Rainfall

In Penn Valley, in May, it is raining for 12.6 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 111.8 rainfall days, and 9.69" (246mm) of precipitation is accumulated.

Snowfall

In Penn Valley, snow does not fall in April through October.

Daylight

In Penn Valley, the average length of the day in May is 14h and 25min.
On the first day of May, sunrise is at 5:59 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:23 pm EDT.

Sunshine

In Penn Valley, the average sunshine in May is 8.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What is the usual temperature for Penn Valley in May?

An average high-temperature, in May, in Penn Valley, is 71.8°F (22.1°C) and the average low-temperature is 54.3°F (12.4°C).

What is the average humidity in May in Penn Valley?

The average relative humidity in May is 75%.

How many days does it rain in May in Penn Valley?

In May, the rain falls for 12.6 days. Throughout May, 0.91" (23mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Penn Valley have in May?

In May, the average day length is 14h and 25min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:23 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.4h.

What is the month with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May?

In Penn Valley, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Penn Valley, PA

Average temperature in May - Penn Valley, PA
  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in May: 54.3°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in May
Penn Valley, PA

Average pressure in May - Penn Valley, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Penn Valley, PA

Average wind speed in May - Penn Valley, PA
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in May
Penn Valley, PA

Average humidity in May - Penn Valley, PA
  • Average humidity in May: 75%

The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall in May
Penn Valley, PA

Average rainfall in May - Penn Valley, PA
  • Average rainfall in May: 0.91"

The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in May
Penn Valley, PA

Average rainfall days in May - Penn Valley, PA
  • Average rainfall days in May: 12.6 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in May
Penn Valley, PA

Average snowfall in May - Penn Valley, PA
  • Average snowfall in May: 0"

The months with the highest snowfall are February and March (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Penn Valley, PA

Average snowfall days in May - Penn Valley, PA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Penn Valley, PA

Average daylight in May / Average sunshine in May - Penn Valley, PA
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in May
Penn Valley, PA

Average sunshine days in May - Penn Valley, PA
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).

Average UV index in May
Penn Valley, PA

Average UV index in May - Penn Valley, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Penn Valley, PA

Average cloud cover in May - Penn Valley, PA
  • Average cloud cover in May: 48

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Penn Valley, PA

Average visibility in May - Penn Valley, PA
  • Average visibility in May: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Penn Valley, Pennsylvania, USA

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