May weather forecast
Bala Cynwyd, PA

Weather in May

May, the last month of the spring, in Bala Cynwyd, is a pleasant month, with average temperature varying between 71.8°F (22.1°C) and 54.3°F (12.4°C).

Temperature

In May, the average high-temperature rises, from a comfortable 61.2°F (16.2°C) in April, to a pleasant 71.8°F (22.1°C). The average low-temperature, in May, is 54.3°F (12.4°C).

Humidity

In Bala Cynwyd, the average relative humidity is 75%.

Rainfall

In Bala Cynwyd, in May, it is raining for 12.6 days, with typically 0.91" (23mm) of accumulated precipitation. In Bala Cynwyd, during the entire year, the rain falls for 111.8 days and collects up to 9.69" (246mm) of precipitation.

Snowfall

In Bala Cynwyd snow does not fall in April through October.

Daylight

In May, the average length of the day in Bala Cynwyd is 14.4h.

Sunshine

The average sunshine in May is 8.4h.

UV index

Months with the highest UV index in Bala Cynwyd are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 6 in May transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in May in Bala Cynwyd?

In Bala Cynwyd, Pennsylvania, the average relative humidity in May is 75%.

How many days does it rain in May in Bala Cynwyd?

In Bala Cynwyd, Pennsylvania, in May, during 12.6 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow in Bala Cynwyd?

April through October are months without snowfall in Bala Cynwyd, Pennsylvania.

What is the average length of the day in May in Bala Cynwyd?

In Bala Cynwyd, Pennsylvania, the average length of the day in May is 14.4h.

How many hours of sunshine does Bala Cynwyd have in May?

The average sunshine in May in Bala Cynwyd is 8.4h.

What is the month with the highest UV index in Bala Cynwyd?

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

How high is the UV index in May in Bala Cynwyd?

The average daily maximum UV index in May in Bala Cynwyd is 6. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.

Average temperature in May
Bala Cynwyd, PA

Average temperature in May - Bala Cynwyd, PA
  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in May: 54.3°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in May
Bala Cynwyd, PA

Average pressure in May - Bala Cynwyd, PA
  • Average pressure in May: 30.01"

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

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Average wind speed in May
Bala Cynwyd, PA

Average wind speed in May - Bala Cynwyd, PA
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in May
Bala Cynwyd, PA

Average humidity in May - Bala Cynwyd, PA
  • Average humidity in May: 75%

Months with the highest relative humidity are February and October (78%).
Months with the lowest relative humidity are April, July and August (71%).

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Average rainfall in May
Bala Cynwyd, PA

Average rainfall in May - Bala Cynwyd, PA
  • Average rainfall in May: 0.91"

The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in May
Bala Cynwyd, PA

Average rainfall days in May - Bala Cynwyd, PA
  • Average rainfall days in May: 12.6 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in May
Bala Cynwyd, PA

Average snowfall in May - Bala Cynwyd, PA
  • Average snowfall in May: 0"

Months with the highest snowfall are February and March (0.98").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Bala Cynwyd, PA

Average snowfall days in May - Bala Cynwyd, PA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.5 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Bala Cynwyd, PA

Average daylight in May / Average sunshine in May - Bala Cynwyd, PA
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 8.4h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in May
Bala Cynwyd, PA

Average sunshine days in May - Bala Cynwyd, PA
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).

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Average UV index in May
Bala Cynwyd, PA

Average UV index in May - Bala Cynwyd, PA
  • Average UV index in May: 6

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

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Average cloud cover in May
Bala Cynwyd, PA

Average cloud cover in May - Bala Cynwyd, PA
  • Average cloud cover in May: 48

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in May
Bala Cynwyd, PA

Average visibility in May - Bala Cynwyd, PA
  • Average visibility in May: 5mi

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

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