May weather forecast
Swiftwater, PA

Weather in May

May, the last month of the spring in Swiftwater, is a comfortable month, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 66.9°F (19.4°C).

Temperature

In Swiftwater, Pennsylvania, the average high-temperature in May rises from a cool 55°F (12.8°C) in April to an enjoyable 66.9°F (19.4°C). The average low-temperature, in Swiftwater, is 47.8°F (8.8°C).

Humidity

In May, the average relative humidity in Swiftwater is 80%.

Rainfall

The month with the most rainfall is May, when the rain falls for 18.6 days and typically aggregates up to 3.5" (89mm) of precipitation.

Snowfall

Months with snowfall in Swiftwater are January through May, October through December. May is the last month it regularly snows in Swiftwater. During 0.3 snowfall days, in May, Swiftwater aggregates 0.79" (20mm) of snow. Throughout the year, in Swiftwater, there are 66.6 snowfall days, and 42.24" (1073mm) of snow is accumulated.

Daylight

In Swiftwater, the average length of the day in May is 14h and 30min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:31 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine in Swiftwater is 8h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Swiftwater?

In May, in Swiftwater, the average high-temperature is 66.9°F (19.4°C), and the average low-temperature is 47.8°F (8.8°C).

What is the average humidity in May in Swiftwater?

In May, the average relative humidity in Swiftwater, Pennsylvania, is 80%.

What is the rainiest month in Swiftwater?

May is the month with the most rainfall in Swiftwater, Pennsylvania. Rain falls for 18.6 days and accumulates 3.5" (89mm) of precipitation.

How much does it rain in Swiftwater in May?

In Swiftwater, Pennsylvania, during May, the rain falls for 18.6 days and regularly aggregates up to 3.5" (89mm) of precipitation.

What is the last month it snows in Swiftwater?

May is the last month it regularly snows in Swiftwater. During 0.3 snowfall days, in May, Swiftwater aggregates 0.79" (20mm) of snow.

How many hours of daylight does Swiftwater have in May?

The average day length in May in Swiftwater, Pennsylvania, is 14h and 30min.

When are sunrise and sunset in May in Swiftwater?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Swiftwater have in May?

The average sunshine duration in May is 8h.

When is the highest UV index in Swiftwater?

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

How high is the UV index in May in Swiftwater?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Swiftwater, PA

Average temperature in May - Swiftwater, PA
  • Average high temperature in May: 66.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in May: 47.8°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in May
Swiftwater, PA

Average pressure in May - Swiftwater, 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 (29.94"Hg).

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Average wind speed in May
Swiftwater, PA

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

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in May
Swiftwater, PA

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

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (77%).

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Average rainfall in May
Swiftwater, PA

Average rainfall in May - Swiftwater, PA
  • Average rainfall in May: 3.5"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in May
Swiftwater, PA

Average rainfall days in May - Swiftwater, PA
  • Average rainfall days in May: 18.6 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (10.3 days).

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Average snowfall in May
Swiftwater, PA

Average snowfall in May - Swiftwater, PA
  • Average snowfall in May: 0.79"

The month with the highest snowfall is January (9.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Swiftwater, PA

Average snowfall days in May - Swiftwater, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (15.8 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
Swiftwater, PA

Average daylight in May / Average sunshine in May - Swiftwater, PA
  • Average daylight in May: 14h and 30min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 17min).

  • Average sunshine in May: 8h and 0min

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 54min).

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Average sunshine days in May
Swiftwater, PA

Average sunshine days in May - Swiftwater, PA
  • Average sunshine days in May: 10.2 days

The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is February (8.6 days).

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Average UV index in May
Swiftwater, PA

Average UV index in May - Swiftwater, 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
Swiftwater, PA

Average cloud cover in May - Swiftwater, PA
  • Average cloud cover in May: 51

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in May
Swiftwater, PA

Average visibility in May - Swiftwater, 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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