May weather forecast
Coupon, PA

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Weather in May

May, the last month of the spring in Coupon, is a comfortable month, with an average temperature ranging between max 67.8°F (19.9°C) and min 48.7°F (9.3°C).

Temperature

An increase in the average high-temperature marks May, moving from April's refreshing 56.7°F (13.7°C) to a comfortable 67.8°F (19.9°C). In the month of May, the temperature generally rests at an average low of 48.7°F (9.3°C).

Humidity

In May, the average relative humidity is 80%.

Rainfall

The month with the most rainfall is May, when the rain falls for 19.8 days and typically aggregates up to 3.62" (92mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Coupon aggregates 0.31" (8mm) of snow. Throughout the year, there are 70.6 snowfall days, and 40.12" (1019mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 27min.
On the first day of May, sunrise is at 6:11 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:38 pm EDT.

Sunshine

In Coupon, the average sunshine in May is 8.1h.

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: In May, the maximum UV index of 5 transforms into these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are May temperatures in Coupon?

The average high-temperature, in May, in Coupon, is 67.8°F (19.9°C), while the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in May?

The average relative humidity in May is 80%.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 19.8 days and accumulates 3.62" (92mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 19.8 days. Throughout May, 3.62" (92mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.8 snowfall days, in May, Coupon aggregates 0.31" (8mm) of snow.

What is the average length of the day in May?

The average day length in May in Coupon is 14h and 27min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:11 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:38 pm EDT.

How many hours of sunshine does Coupon have in May?

In Coupon, the average sunshine duration in May is 8.1h.

When is the highest UV index?

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

How high is the UV index in May?

In Coupon, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from 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
Coupon, PA

Average temperature in May - Coupon, PA
  • Average high temperature in May: 67.8°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in May
Coupon, PA

Average pressure in May - Coupon, PA
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Coupon, PA

Average wind speed in May - Coupon, PA
  • Average wind speed in May: 7mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in May
Coupon, PA

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

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (78%).

Average rainfall in May
Coupon, PA

Average rainfall in May - Coupon, PA
  • Average rainfall in May: 3.62"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in May
Coupon, PA

Average rainfall days in May - Coupon, 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 (7.7 days).

Average snowfall in May
Coupon, PA

Average snowfall in May - Coupon, PA
  • Average snowfall in May: 0.31"

The month with the highest snowfall is February (8.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Coupon, PA

Average snowfall days in May - Coupon, PA
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Coupon, PA
  • Average daylight in May: 14h and 3min

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 18min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in May
Coupon, PA

Average sunshine days in May - Coupon, PA
  • Average sunshine days in May: 9.5 days

The month with the most sunshine days is November (13.5 days).
The months with the least sunshine days are January and February (7.7 days).

Average UV index in May
Coupon, PA

Average UV index in May - Coupon, 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
Coupon, PA

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

The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 39).

Average visibility in May
Coupon, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Coupon, Pennsylvania, USA

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