May weather forecast
Slykerville, PA

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Weather in May

The last month of the spring, May, is a refreshing month in Slykerville, Pennsylvania, with an average temperature fluctuating between 48.2°F (9°C) and 66.7°F (19.3°C).

Temperature

Slykerville's transition into May is marked by a temperature shift, moving from a mild 55.4°F (13°C) in April to a still refreshing 66.7°F (19.3°C). In Slykerville, the average nighttime temperature during May is a frosty 48.2°F (9°C).

Humidity

In May, the average relative humidity is 81%.

Rainfall

The month with the most rainfall is May, when the rain falls for 19.8 days and typically aggregates up to 3.43" (87mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Slykerville aggregates 0.63" (16mm) of snow. In Slykerville, during the entire year, snow falls for 53.8 days and aggregates up to 33.66" (855mm) of snow.

Daylight

The average length of the day in May is 14h and 29min.
On the first day of May, sunrise is at 6:01 am and sunset at 8:00 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 is 7.7h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Be vigilant - Preventing sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. 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. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Slykerville?

During May, Slykerville experiences an average high-temperature of 66.7°F (19.3°C) and a low-temperature of 48.2°F (9°C).

What is the average humidity in May?

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

What is the wettest month?

May is the month with the most rainfall. Rain falls for 19.8 days and accumulates 3.43" (87mm) of precipitation.

How much does it rain in May?

In Slykerville, during May, the rain falls for 19.8 days and regularly aggregates up to 3.43" (87mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows in Slykerville. During 0.3 snowfall days, in May, Slykerville aggregates 0.63" (16mm) of snow.

What is the average length of the day in May?

In Slykerville, the average day length in May is 14h and 29min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:01 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:29 pm EDT.

How many hours of sunshine does Slykerville have in May?

The average sunshine duration in May is 7.7h.

What are the months with the highest UV index?

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

How high is the UV index in May?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Slykerville, PA

Average temperature in May - Slykerville, PA
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in May: 48.2°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in May
Slykerville, PA

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Slykerville, PA

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

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
Slykerville, PA

Average humidity in May - Slykerville, 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
Slykerville, PA

Average rainfall in May - Slykerville, PA
  • Average rainfall in May: 3.43"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in May
Slykerville, PA

Average rainfall days in May - Slykerville, PA
  • Average rainfall days in May: 19.8 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in May
Slykerville, PA

Average snowfall in May - Slykerville, PA
  • Average snowfall in May: 0.63"

The months with the highest snowfall are January and February (7.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Slykerville, PA

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

The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Slykerville, 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 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in May
Slykerville, PA

Average sunshine days in May - Slykerville, PA
  • Average sunshine days in May: 8.7 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (8.7 days).

Average UV index in May
Slykerville, PA

Average UV index in May - Slykerville, 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).

Average cloud cover in May
Slykerville, PA

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

The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in May
Slykerville, PA

Average visibility in May - Slykerville, 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).

Slykerville, Pennsylvania, USA

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