May weather forecast
Dorlan, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Dorlan, Pennsylvania, with an average temperature fluctuating between 52.3°F (11.3°C) and 70.9°F (21.6°C).

Temperature

The start of May brings a rise in the average high-temperature, moving from a refreshing 60.3°F (15.7°C) in April to a pleasant 70.9°F (21.6°C). The low-temperature averages to a cool 52.3°F (11.3°C) during the nights of May.

Humidity

February, May and October, with an average relative humidity of 80%, are the most humid months in Dorlan.

Rainfall

In Dorlan, in May, during 16.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 145.6 rainfall days, and 26.81" (681mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Dorlan aggregates 0.12" (3mm) of snow. Throughout the year, there are 17.2 snowfall days, and 10.47" (266mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 25min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:58 pm. On the last day of May, in Dorlan, sunrise is at 5:35 am and sunset at 8:25 pm EDT.

Sunshine

The average sunshine in May is 8.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 6 during May translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

During May, Dorlan experiences an average high-temperature of 70.9°F (21.6°C) and a low-temperature of 52.3°F (11.3°C).

What are the most humid months?

February, May and October, with an average relative humidity of 80%, are most humid months.

What is the average humidity in May?

The average relative humidity in May in Dorlan is 80%.

How much does it rain in May?

In Dorlan, Pennsylvania, in May, during 16.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Dorlan aggregates 0.12" (3mm) of snow.

How many hours of daylight does Dorlan have in May?

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

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Dorlan have in May?

The average sunshine duration in May is 8.3h.

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.

How high is the UV index in May?

The average daily maximum UV index in May in Dorlan is 6. A UV Index estimate 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
Dorlan, PA

Average temperature in May - Dorlan, PA
  • Average high temperature in May: 70.9°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in May
Dorlan, PA

Average pressure in May - Dorlan, 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
Dorlan, PA

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

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in May
Dorlan, PA

Average humidity in May - Dorlan, PA
  • Average humidity in May: 80%

The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in May
Dorlan, PA

Average rainfall in May - Dorlan, PA
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days in May
Dorlan, PA

Average rainfall days in May - Dorlan, PA
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in May
Dorlan, PA

Average snowfall in May - Dorlan, PA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Dorlan, PA

Average snowfall days in May - Dorlan, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Dorlan, PA

Average daylight in May / Average sunshine in May - Dorlan, 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
Dorlan, PA

Average sunshine days in May - Dorlan, PA
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in May
Dorlan, PA

Average UV index in May - Dorlan, 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, March, November and December (UV index 2).

Average cloud cover in May
Dorlan, PA

Average cloud cover in May - Dorlan, 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
Dorlan, PA

Average visibility in May - Dorlan, PA
  • Average visibility in May: 5mi

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

Dorlan, Pennsylvania, USA

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