May weather forecast
Fern Glen, PA

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Weather in May

The last month of the spring, May, is a comfortable month in Fern Glen, Pennsylvania, with an average temperature ranging between max 67.1°F (19.5°C) and min 48°F (8.9°C).

Temperature

May's arrival brings a temperature shift, moving from a mild 55.8°F (13.2°C) in April to a comfortable 67.1°F (19.5°C). Fern Glen, in May, witnesses an average low-temperature of 48°F (8.9°C).

Humidity

In May, the average relative humidity is 81%.

Rainfall

May is the month with the most rainfall. Rain falls for 13.8 days and accumulates 1.26" (32mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Fern Glen aggregates 0.16" (4mm) of snow. In Fern Glen, Pennsylvania, during the entire year, snow falls for 31.5 days and aggregates up to 7.28" (185mm) of snow.

Daylight

The average length of the day in May in Fern Glen is 14h and 29min.
On the first day of May, sunrise is at 6:01 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:29 pm EDT.

Sunshine

In May, the average sunshine in Fern Glen is 7.7h.

UV index

In Fern Glen, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during May leads to these advisories:
Act with care - The suggestion to avoid sunburn is emphasized. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Fern Glen in May?

The high-temperature, in May, in Fern Glen, is 67.1°F (19.5°C), while the low-temperature averages to 48°F (8.9°C).

What is the average humidity in May in Fern Glen?

In May, the average relative humidity is 81%.

What is the rainiest month in Fern Glen?

The month with the most rainfall in Fern Glen, Pennsylvania, is May, when the rain falls for 13.8 days and typically aggregates up to 1.26" (32mm) of precipitation.

How much does it rain in Fern Glen in May?

In Fern Glen, Pennsylvania, during May, the rain falls for 13.8 days and regularly aggregates up to 1.26" (32mm) of precipitation.

What is the last month it snows in Fern Glen?

May is the last month it regularly snows in Fern Glen. During 0.1 snowfall days, in May, Fern Glen aggregates 0.16" (4mm) of snow.

What is the average length of the day in May in Fern Glen?

In Fern Glen, Pennsylvania, the average day length in May is 14h and 29min.

When is the sunrise / sunset in May in Fern Glen?

On the first day of May in Fern Glen, Pennsylvania, sunrise is at 6:01 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:29 pm EDT.

How long on average sun shines in May in Fern Glen?

In May, the average sunshine duration is 7.7h.

What is the UV index intensity in May in Fern Glen?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to 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
Fern Glen, PA

Average temperature in May - Fern Glen, PA
  • Average high temperature in May: 67.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in May: 48°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in May
Fern Glen, PA

Average pressure in May - Fern Glen, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Fern Glen, PA

Average wind speed in May - Fern Glen, PA
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in May
Fern Glen, PA

Average humidity in May - Fern Glen, PA
  • Average humidity in May: 81%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).

Average rainfall in May
Fern Glen, PA

Average rainfall in May - Fern Glen, PA
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").

Average rainfall days in May
Fern Glen, PA

Average rainfall days in May - Fern Glen, PA
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in May
Fern Glen, PA

Average snowfall in May - Fern Glen, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Fern Glen, PA

Average snowfall days in May - Fern Glen, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Fern Glen, PA

Average daylight in May / Average sunshine in May - Fern Glen, PA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 7h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in May
Fern Glen, PA

Average sunshine days in May - Fern Glen, PA
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in May
Fern Glen, PA

Average UV index in May - Fern Glen, PA
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in May
Fern Glen, PA

Average cloud cover in May - Fern Glen, PA
  • Average cloud cover in May: 52

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in May
Fern Glen, PA

Average visibility in May - Fern Glen, PA
  • Average visibility in May: 5mi

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

Fern Glen, Pennsylvania, USA

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