May weather forecast
Bethany, PA

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Weather in May

May, the last month of the spring in Bethany, is an enjoyable month, with an average temperature varying between 67.3°F (19.6°C) and 47.1°F (8.4°C).

Temperature

Bethany in May shows a temperature shift, moving from an average high of a fresh 54.3°F (12.4°C) in April to a comfortable 67.3°F (19.6°C). During May, the nighttime temperature averages to a frosty 47.1°F (8.4°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

In Bethany, in May, it is raining for 15.6 days, with typically 1.97" (50mm) of accumulated precipitation. In Bethany, during the entire year, the rain falls for 132.5 days and collects up to 19.21" (488mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Bethany aggregates 0.2" (5mm) of snow. In Bethany, Pennsylvania, during the entire year, snow falls for 43.6 days and aggregates up to 14.69" (373mm) of snow.

Daylight

In May, the average length of the day is 14h and 33min.
On the first day of the month, sunrise is at 5:56 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:28 pm EDT.

Sunshine

The average sunshine in May is 7.8h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during May translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

What are the temperatures in Bethany in May?

Bethany in May has an average high-temperature of 67.3°F (19.6°C) and an average low-temperature of 47.1°F (8.4°C).

What is the average humidity in May in Bethany?

The average relative humidity in May in Bethany is 79%.

How many days does it rain in May in Bethany?

In Bethany, Pennsylvania, during May, the rain falls for 15.6 days and regularly aggregates up to 1.97" (50mm) of precipitation.

What is the last month it snows in Bethany?

May is the last month it regularly snows in Bethany, Pennsylvania. During 0.4 snowfall days, in May, Bethany aggregates 0.2" (5mm) of snow.

How many hours of daylight does Bethany have in May?

The average day length in May in Bethany, Pennsylvania, is 14h and 33min.

What time are sunrise and sunset in May in Bethany?

In May, on the first day of the month, sunrise is at 5:56 am and sunset at 7:59 pm. On the last day of the month, in Bethany, sunrise is at 5:29 am and sunset at 8:28 pm EDT.

How long on average sun shines in May in Bethany?

In May, the average sunshine duration in Bethany, Pennsylvania, is 7.8h.

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

May through August, with an average maximum UV index of 5, are months with the highest UV index in Bethany.

What is the UV index reading in May in Bethany?

In May, the average daily maximum UV index in Bethany, Pennsylvania, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Bethany, PA

Average temperature in May - Bethany, PA
  • Average high temperature in May: 67.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in May: 47.1°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in May
Bethany, PA

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Bethany, PA

Average wind speed in May - Bethany, PA
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in May
Bethany, PA

Average humidity in May - Bethany, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is July (77%).

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Average rainfall in May
Bethany, PA

Average rainfall in May - Bethany, PA
  • Average rainfall in May: 1.97"

The wettest months (with the highest rainfall) are July and August (2.09").
The driest months (with the least rainfall) are January and September (1.14").

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Average rainfall days in May
Bethany, PA

Average rainfall days in May - Bethany, PA
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is May (15.6 days).
The months with the least rainy days are January and February (6.9 days).

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Average snowfall in May
Bethany, PA

Average snowfall in May - Bethany, PA
  • Average snowfall in May: 0.2"

The months with the highest snowfall are January and December (3.27").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Bethany, PA

Average snowfall days in May - Bethany, PA
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is February (10.6 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
Bethany, PA

Average daylight in May / Average sunshine in May - Bethany, 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 12min).

  • Average sunshine in May: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in May
Bethany, PA

Average sunshine days in May - Bethany, PA
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (12.5 days).

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Average UV index in May
Bethany, PA

Average UV index in May - Bethany, PA
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Bethany, PA

Average cloud cover in May - Bethany, PA
  • Average cloud cover in May: 52

The months with the most cloud cover are February and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in May
Bethany, PA

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

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

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Bethany, Pennsylvania, USA

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