May weather forecast
Bally, PA

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Weather in May

May, the last month of the spring in Bally, is an agreeable month, with an average temperature varying between 70.3°F (21.3°C) and 51.6°F (10.9°C).

Temperature

May's onset is marked by a temperature increase, moving from a moderate 59.9°F (15.5°C) in April to a pleasant 70.3°F (21.3°C). Bally reports a consistent average low-temperature of 51.6°F (10.9°C) throughout May nights.

Humidity

In Bally, the average relative humidity in May is 78%.

Rainfall

In Bally, in May, during 16.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Bally, during the entire year, the rain falls for 155.5 days and collects up to 28.15" (715mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Bally aggregates 0.16" (4mm) of snow. In Bally, during the entire year, snow falls for 27 days and aggregates up to 12.52" (318mm) of snow.

Daylight

The average length of the day in May in Bally is 14h and 26min.
On the first day of May, sunrise is at 6:00 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:25 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 6 during May morphs into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the usual temperature for Bally in May?

In May, in Bally, the average high-temperature is 70.3°F (21.3°C), and the average low-temperature is 51.6°F (10.9°C).

What is the average humidity in May in Bally?

In May, the average relative humidity in Bally is 78%.

How much does it rain in Bally in May?

In Bally, Pennsylvania, in May, during 16.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

What is the last month it snows in Bally?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Bally aggregates 0.16" (4mm) of snow.

What is the average length of the day in May in Bally?

The average day length in May in Bally, Pennsylvania, is 14h and 26min.

When are sunrise and sunset in May in Bally?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 7:58 pm. On the last day of the month, in Bally, Pennsylvania, sunrise is at 5:34 am and sunset at 8:25 pm EDT.

How long on average sun shines in May in Bally?

The average sunshine duration in May in Bally is 8.2h.

What are the months with the highest UV index in Bally?

May through July, with an average maximum UV index of 6, are months with the highest UV index in Bally.

What is the UV index reading in May in Bally?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
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
Bally, PA

Average temperature in May - Bally, PA
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in May: 51.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in May
Bally, PA

Average pressure in May - Bally, 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).

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Average wind speed in May
Bally, PA

Average wind speed in May - Bally, PA
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
Bally, PA

Average humidity in May - Bally, PA
  • Average humidity in May: 78%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in May
Bally, PA

Average rainfall in May - Bally, PA
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in May
Bally, PA

Average rainfall days in May - Bally, PA
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8 days).

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Average snowfall in May
Bally, PA

Average snowfall in May - Bally, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Bally, PA

Average snowfall days in May - Bally, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Bally, 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 18min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in May
Bally, PA

Average sunshine days in May - Bally, PA
  • Average sunshine days in May: 12.5 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is April (12 days).

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Average UV index in May
Bally, PA

Average UV index in May - Bally, PA
  • Average UV index in May: 6

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

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Average cloud cover in May
Bally, PA

Average cloud cover in May - Bally, PA
  • Average cloud cover in May: 48

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in May
Bally, PA

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

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

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Bally, Pennsylvania, USA

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