May weather forecast
Penn Valley, PA

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Weather in May

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

Temperature

Entering May, Penn Valley sees a temperature rise, with the average high-temperature advancing from April's enjoyable 61.2°F (16.2°C) to a pleasant 71.8°F (22.1°C). Penn Valley's temperature in May lowers to a consistent average of 54.3°F (12.4°C) during the nights.

Humidity

The average relative humidity in May in Penn Valley, Pennsylvania, is 75%.

Rainfall

In Penn Valley, in May, it is raining for 12.6 days, with typically 0.91" (23mm) of accumulated precipitation. In Penn Valley, Pennsylvania, during the entire year, the rain falls for 111.8 days and collects up to 9.69" (246mm) of precipitation.

Snowfall

April through October are months without snowfall in Penn Valley, Pennsylvania.

Daylight

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

Sunshine

In May, the average sunshine in Penn Valley 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 reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, a daily UV index of 6 turns into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Feb 13, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are May temperatures in Penn Valley?

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 in Penn Valley is 75%.

How much does it rain in Penn Valley in May?

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

When it does not snow in Penn Valley?

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

What is the average length of the day in May in Penn Valley?

In Penn Valley, Pennsylvania, the average day length in May is 14h and 25min.

What time are sunrise and sunset in May in Penn Valley?

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.

How long on average sun shines in May in Penn Valley?

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

When is the highest UV index in Penn Valley?

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

What is the UV index reading in May in Penn Valley?

In May, the average daily maximum UV index in Penn Valley, Pennsylvania, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
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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