May weather forecast
Wyomissing, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Wyomissing, Pennsylvania, with an average temperature ranging between min 51.3°F (10.7°C) and max 69.4°F (20.8°C).

Temperature

Observing a rise in May, the average high-temperature goes from April's mild 59.5°F (15.3°C) to an agreeable 69.4°F (20.8°C). May nights are marked by an average low-temperature of 51.3°F (10.7°C).

Humidity

In Wyomissing, the average relative humidity in May is 80%.

Rainfall

In Wyomissing, in May, during 17.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Wyomissing, during the entire year, the rain falls for 155.7 days and collects up to 30.83" (783mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Wyomissing aggregates 0.24" (6mm) of snow. Throughout the year, there are 21.1 snowfall days, and 12.28" (312mm) of snow is accumulated.

Daylight

In May, the average length of the day in Wyomissing is 14h and 26min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:36 am and sunset at 8:27 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 6 in May leads to these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The high-temperature, in May, in Wyomissing, is 69.4°F (20.8°C), while the low-temperature averages to 51.3°F (10.7°C).

What is the average humidity in May in Wyomissing?

The average relative humidity in May is 80%.

How many days does it rain in May?

In Wyomissing, in May, it is raining for 17.3 days, with typically 2.91" (74mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Wyomissing aggregates 0.24" (6mm) of snow.

How many hours of daylight does Wyomissing have in May?

In May, the average day length in Wyomissing is 14h and 26min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:27 pm EDT.

How many hours of sunshine does Wyomissing have in May?

In May, the average sunshine duration is 8.2h.

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

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

What is the UV index intensity in May?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from 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
Wyomissing, PA

Average temperature in May - Wyomissing, PA
  • Average high temperature in May: 69.4°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in May: 51.3°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in May
Wyomissing, PA

Average pressure in May - Wyomissing, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Wyomissing, PA

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

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
Wyomissing, PA

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

The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in May
Wyomissing, PA

Average rainfall in May - Wyomissing, PA
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is February (2.05").

Average rainfall days in May
Wyomissing, PA

Average rainfall days in May - Wyomissing, PA
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in May
Wyomissing, PA

Average snowfall in May - Wyomissing, PA
  • Average snowfall in May: 0.24"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Wyomissing, PA

Average snowfall days in May - Wyomissing, PA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Wyomissing, 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 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 36min).

Average sunshine days in May
Wyomissing, PA

Average sunshine days in May - Wyomissing, PA
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in May
Wyomissing, PA

Average UV index in May - Wyomissing, 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).

Average cloud cover in May
Wyomissing, PA

Average cloud cover in May - Wyomissing, 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 32).

Average visibility in May
Wyomissing, PA

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

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

Wyomissing, Pennsylvania, USA

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