May weather forecast
South Pottstown, PA

Share

Weather in May

The last month of the spring, May, is an agreeable month in South Pottstown, Pennsylvania, with an average temperature varying between 70.7°F (21.5°C) and 52.3°F (11.3°C).

Temperature

With the onset of May, South Pottstown's weather sees a temperature rise, transitioning from a refreshing 60.3°F (15.7°C) in April to a pleasant 70.7°F (21.5°C). An average minimum temperature of 52.3°F (11.3°C) is recorded during the month of May.

Humidity

The average relative humidity in May is 79%.

Rainfall

In May, the rain falls for 17 days. Throughout May, 2.6" (66mm) of precipitation is accumulated. Throughout the year, in South Pottstown, there are 146.5 rainfall days, and 27.87" (708mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in South Pottstown.

Daylight

In May, the average length of the day in South Pottstown is 14h and 26min.
On the first day of May, sunrise is at 6:01 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:25 pm EDT.

Sunshine

In South Pottstown, the average sunshine in May is 8.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: During May, 6 as the daily maximum UV index converts into the following advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
[Resources]

Frequently asked questions

What are May temperatures in South Pottstown?

In South Pottstown, 70.7°F (21.5°C) is the average high-temperature and 52.3°F (11.3°C) is the average low-temperature during May.

What is the average humidity in May in South Pottstown?

In South Pottstown, the average relative humidity in May is 79%.

How many days does it rain in May in South Pottstown?

In South Pottstown, Pennsylvania, during May, the rain falls for 17 days and regularly aggregates up to 2.6" (66mm) of precipitation.

When it does not snow in South Pottstown?

May through October are months without snowfall.

Does it snow in South Pottstown in May?

In May, in South Pottstown, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does South Pottstown have in May?

In South Pottstown, Pennsylvania, the average day length in May is 14h and 26min.

When is the sunrise / sunset in May in South Pottstown?

On the first day of May in South Pottstown, sunrise is at 6:01 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:25 pm EDT.

How long on average sun shines in May in South Pottstown?

In South Pottstown, Pennsylvania, the average sunshine duration in May is 8.4h.

When is the highest UV index in South Pottstown?

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 South Pottstown?

In South Pottstown, Pennsylvania, the average daily maximum UV index in May is 6. A UV Index value 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
South Pottstown, PA

Average temperature in May - South Pottstown, PA
  • Average high temperature in May: 70.7°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

[Resources]

Average pressure in May
South Pottstown, PA

Average pressure in May - South Pottstown, 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).

[Resources]

Average wind speed in May
South Pottstown, PA

Average wind speed in May - South Pottstown, 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).

[Resources]

Average humidity in May
South Pottstown, PA

Average humidity in May - South Pottstown, PA
  • Average humidity in May: 79%

The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).

[Resources]

Average rainfall in May
South Pottstown, PA

Average rainfall in May - South Pottstown, PA
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").

[Resources]

Average rainfall days in May
South Pottstown, PA

Average rainfall days in May - South Pottstown, PA
  • Average rainfall days in May: 17 days

The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).

[Resources]

Average snowfall in May
South Pottstown, PA

Average snowfall in May - South Pottstown, PA
  • Average snowfall in May: 0"

The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in May
South Pottstown, PA

Average snowfall days in May - South Pottstown, PA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
South Pottstown, PA

Average daylight in May / Average sunshine in May - South Pottstown, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

[Resources]

Average sunshine days in May
South Pottstown, PA

Average sunshine days in May - South Pottstown, PA
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).

[Resources]

Average UV index in May
South Pottstown, PA

Average UV index in May - South Pottstown, 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).

[Resources]

Average cloud cover in May
South Pottstown, PA

Average cloud cover in May - South Pottstown, PA
  • Average cloud cover in May: 47

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

[Resources]

Average visibility in May
South Pottstown, PA

Average visibility in May - South Pottstown, 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).

[Resources]

South Pottstown, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location