May weather forecast
Cannon Run, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Cannon Run, Pennsylvania, with an average temperature varying between 71.4°F (21.9°C) and 53.4°F (11.9°C).

Temperature

The arrival of May brings a change in Cannon Run's weather, with average high-temperatures moving from April's enjoyable 60.8°F (16°C) to a pleasant 71.4°F (21.9°C). Cannon Run throughout May, experiences an average nighttime temperature of 53.4°F (11.9°C).

Humidity

In Cannon Run, the average relative humidity in May is 76%.

Rainfall

In Cannon Run, in May, during 16 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Cannon Run, during the entire year, the rain falls for 138.2 days and collects up to 15.59" (396mm) of precipitation.

Snowfall

January through March, May and December are months with snowfall in Cannon Run. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. In Cannon Run, during the entire year, snow falls for 15.8 days and aggregates up to 2.13" (54mm) of snow.

Daylight

In May, the average length of the day is 14h and 25min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:24 pm EDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during May translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

What is the temperature in May?

The average high-temperature, in May, in Cannon Run, is 71.4°F (21.9°C), while the average low-temperature is 53.4°F (11.9°C).

What is the average humidity in May?

In Cannon Run, the average relative humidity in May is 76%.

How much does it rain in Cannon Run in May?

In May, in Cannon Run, the rain falls for 16 days. Throughout May, 1.77" (45mm) of precipitation is accumulated.

When does it start to snow?

May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does Cannon Run have in May?

The average day length in May in Cannon Run is 14h and 25min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:24 pm EDT.

How many hours of sunshine does Cannon Run have in May?

In Cannon Run, the average sunshine duration in May is 8.5h.

What is the month with the highest UV index in Cannon Run?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in May in Cannon Run?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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
Cannon Run, PA

Average temperature in May - Cannon Run, PA
  • Average high temperature in May: 71.4°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in May: 53.4°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in May
Cannon Run, PA

Average pressure in May - Cannon Run, 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
Cannon Run, PA

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

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in May
Cannon Run, PA

Average humidity in May - Cannon Run, PA
  • Average humidity in May: 76%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in May
Cannon Run, PA

Average rainfall in May - Cannon Run, PA
  • Average rainfall in May: 1.77"

The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in May
Cannon Run, PA

Average rainfall days in May - Cannon Run, PA
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).

Average snowfall in May
Cannon Run, PA

Average snowfall in May - Cannon Run, PA
  • Average snowfall in May: 0.16"

The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").

Average snowfall days in May
Cannon Run, PA

Average snowfall days in May - Cannon Run, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Cannon Run, PA

Average daylight in May / Average sunshine in May - Cannon Run, PA
  • Average daylight in May: 14h and 2min

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 24min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Cannon Run, PA

Average sunshine days in May - Cannon Run, PA
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).

Average UV index in May
Cannon Run, PA

Average UV index in May - Cannon Run, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in May
Cannon Run, PA

Average cloud cover in May - Cannon Run, PA
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Cannon Run, PA

Average visibility in May - Cannon Run, PA
  • Average visibility in May: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Cannon Run, Pennsylvania, USA

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