May weather forecast
Refton, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Refton, Pennsylvania, with an average temperature ranging between min 52.3°F (11.3°C) and max 70.3°F (21.3°C).

Temperature

Refton in May shows a temperature shift, moving from an average high of a moderate 60.1°F (15.6°C) in April to a pleasant 70.3°F (21.3°C). During May in Refton, the average low-temperature is recorded at a cool 52.3°F (11.3°C).

Humidity

May and October, with an average relative humidity of 81%, are the most humid months in Refton, Pennsylvania.

Rainfall

In May, in Refton, the rain falls for 17.4 days. Throughout May, 2.95" (75mm) of precipitation is accumulated. Throughout the year, in Refton, Pennsylvania, there are 158.5 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

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, Refton aggregates 0.08" (2mm) of snow. In Refton, during the entire year, snow falls for 24.5 days and aggregates up to 12.99" (330mm) of snow.

Daylight

In Refton, Pennsylvania, the average length of the day in May is 14h and 24min.
On the first day of May in Refton, sunrise is at 6:03 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:27 pm EDT.

Sunshine

In Refton, Pennsylvania, the average sunshine in May is 8.2h.

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 6 in May suggests the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What are May temperatures in Refton?

During May, Refton experiences an average high-temperature of 70.3°F (21.3°C) and a low-temperature of 52.3°F (11.3°C).

What is the most humid month in Refton?

The months with the highest humidity are May and October, with an average relative humidity of 81%.

What is the average humidity in May in Refton?

In Refton, Pennsylvania, the average relative humidity in May is 81%.

How many days does it rain in May in Refton?

In Refton, in May, it is raining for 17.4 days, with typically 2.95" (75mm) of accumulated precipitation.

What is the last month it snows in Refton?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Refton aggregates 0.08" (2mm) of snow.

What is the average length of the day in May in Refton?

In Refton, the average day length in May is 14h and 24min.

When is the sunrise / sunset in May in Refton?

In May, on the first day of the month, sunrise is at 6:03 am and sunset at 7:59 pm. On the last day of the month, in Refton, sunrise is at 5:38 am and sunset at 8:27 pm EDT.

How long on average sun shines in May in Refton?

In Refton, Pennsylvania, the average sunshine duration in May is 8.2h.

What are the months with the highest UV index in Refton?

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

What is the UV index intensity in May in Refton?

In May, the average daily maximum UV index in Refton is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from 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
Refton, PA

Average temperature in May - Refton, PA
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average pressure in May
Refton, PA

Average pressure in May - Refton, 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).

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Average wind speed in May
Refton, PA

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

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in May
Refton, PA

Average humidity in May - Refton, PA
  • Average humidity in May: 81%

The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in May
Refton, PA

Average rainfall in May - Refton, PA
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is February (2.2").

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Average rainfall days in May
Refton, PA

Average rainfall days in May - Refton, PA
  • Average rainfall days in May: 17.4 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.8 days).

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Average snowfall in May
Refton, PA

Average snowfall in May - Refton, PA
  • Average snowfall in May: 0.08"

The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Refton, PA

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

The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Refton, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in May
Refton, PA

Average sunshine days in May - Refton, PA
  • Average sunshine days in May: 12 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (12 days).

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Average UV index in May
Refton, PA

Average UV index in May - Refton, PA
  • Average UV index in May: 6

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

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Average cloud cover in May
Refton, PA

Average cloud cover in May - Refton, PA
  • Average cloud cover in May: 48

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in May
Refton, PA

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

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

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Refton, Pennsylvania, USA

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