May weather forecast
Reading, PA

englishespañol中文
Share
This beautiful and colorful pagoda located up on Mt. Penn is a beautiful spot to enjoy sweeping views of the scenic Reading City below, in Pennsylvania
This beautiful and colorful pagoda located up on Mt. Penn is a beautiful spot to enjoy sweeping views of the scenic Reading City below, in Pennsylvania

Weather in May

May in Reading, Pennsylvania, usually has warmer daytime temperatures and fewer chances of snow. A bit of anomaly occurs as there's still a minor chance of snowfall, unusually late in the year, totalling just 0.24in. With temperatures rising and the days growing longer, the city truly starts to warm up. It's the time of the year when residents can really start to enjoy outdoor activities without the burden of winter layers. Reading's weather in May is characterized by the lush greenery in its parks and gardens, a clear sign of vibrant spring.

Temperature

May's arrival signals an increase in average high-temperatures, moving from April's refreshing 59.5°F (15.3°C) to an agreeable 69.4°F (20.8°C). During May, Reading consistently records a temperature low averaging a fresh 51.3°F (10.7°C).

Humidity

In May, the average relative humidity is 80%.

Rainfall

In Reading, in May, during 17.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Reading, 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, Reading aggregates 0.24" (6mm) of snow. In Reading, during the entire year, snow falls for 21.1 days and aggregates up to 12.28" (312mm) of snow.

Daylight

In May, the average length of the day is 14h and 26min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:35 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 health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in May interprets into the following advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Frequently asked questions

What is the temperature in May?

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

What is the average humidity in May?

In May, the average relative humidity is 80%.

How much does it rain in May?

In Reading, in May, during 17.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

What is the last month it snows?

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

What is the average length of the day in May?

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

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:01 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:27 pm EDT.

How long on average sun shines in May?

In Reading, the average sunshine duration in May is 8.2h.

When is the highest UV index?

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

What is the UV index intensity in May?

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Reading, PA

Average temperature in May - Reading, 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
Reading, PA

Average pressure in May - Reading, 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
Reading, PA

Average wind speed in May - Reading, 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
Reading, PA

Average humidity in May - Reading, 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
Reading, PA

Average rainfall in May - Reading, 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
Reading, PA

Average rainfall days in May - Reading, 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
Reading, PA

Average snowfall in May - Reading, 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
Reading, PA

Average snowfall days in May - Reading, 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
Reading, PA

Average daylight in May / Average sunshine in May - Reading, 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
Reading, PA

Average sunshine days in May - Reading, 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
Reading, PA

Average UV index in May - Reading, 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
Reading, PA

Average cloud cover in May - Reading, 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
Reading, PA

Average visibility in May - Reading, 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).

Reading, Pennsylvania, USA

Weather forecast for your location

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