May weather forecast
Clarks Mills, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Clarks Mills, Pennsylvania, with an average temperature ranging between min 48°F (8.9°C) and max 68.9°F (20.5°C).

Temperature

Clarks Mills in May sees a temperature change, with average high-temperatures moving from a moderate 56.1°F (13.4°C) in April to an agreeable 68.9°F (20.5°C). Throughout the month of May, Clarks Mills expects an average low of 48°F (8.9°C).

Humidity

The least humid month is May, with an average relative humidity of 79%.

Rainfall

In Clarks Mills, during May, the rain falls for 19.3 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, there are 174.1 rainfall days, and 34.65" (880mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.6 snowfall days, in May, Clarks Mills aggregates 0.31" (8mm) of snow. In Clarks Mills, during the entire year, snow falls for 83.8 days and aggregates up to 39.13" (994mm) of snow.

Daylight

In Clarks Mills, the average length of the day in May is 14h and 32min.
On the first day of May, sunrise is at 6:16 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:47 pm EDT.

Sunshine

In May, the average sunshine is 8.4h.

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 exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 5 during May translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

What is the temperature in May?

In Clarks Mills, 68.9°F (20.5°C) is the average high-temperature and 48°F (8.9°C) is the average low-temperature during May.

What is the least humid month?

May is the least humid month, with an average relative humidity of 79%.

What is the average humidity in May?

In May, the average relative humidity is 79%.

How much does it rain in May?

In Clarks Mills, during May, the rain falls for 19.3 days and regularly aggregates up to 3.23" (82mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.6 snowfall days, in May, Clarks Mills aggregates 0.31" (8mm) of snow.

How many hours of daylight does Clarks Mills have in May?

The average day length in May is 14h and 32min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:16 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:47 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.4h.

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 5.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
Clarks Mills, PA

Average temperature in May - Clarks Mills, PA
  • Average high temperature in May: 68.9°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in May: 48°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in May
Clarks Mills, PA

Average pressure in May - Clarks Mills, PA
  • Average pressure in May: 29.99"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
Clarks Mills, PA

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

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in May
Clarks Mills, PA

Average humidity in May - Clarks Mills, PA
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (79%).

Average rainfall in May
Clarks Mills, PA

Average rainfall in May - Clarks Mills, PA
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (2.28").

Average rainfall days in May
Clarks Mills, PA

Average rainfall days in May - Clarks Mills, PA
  • Average rainfall days in May: 19.3 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (7.7 days).

Average snowfall in May
Clarks Mills, PA

Average snowfall in May - Clarks Mills, PA
  • Average snowfall in May: 0.31"

The month with the highest snowfall is January (10.31").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Clarks Mills, PA

Average snowfall days in May - Clarks Mills, PA
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Clarks Mills, PA

Average daylight in May / Average sunshine in May - Clarks Mills, 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: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

Average sunshine days in May
Clarks Mills, PA

Average sunshine days in May - Clarks Mills, PA
  • Average sunshine days in May: 9.6 days

The month with the most sunshine days is September (12.8 days).
The month with the least sunshine days is February (5.8 days).

Average UV index in May
Clarks Mills, PA

Average UV index in May - Clarks Mills, 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
Clarks Mills, PA

Average cloud cover in May - Clarks Mills, PA
  • Average cloud cover in May: 47

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in May
Clarks Mills, PA

Average visibility in May - Clarks Mills, PA
  • Average visibility in May: 5mi

The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).

Clarks Mills, Pennsylvania, USA

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