May weather forecast
Reading, PA

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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 shows a rise in the average high-temperature, moving from April's mild 59.5°F (15.3°C) to a pleasant 69.4°F (20.8°C). An average temperature of 51.3°F (10.7°C) marks the nights in Reading in May.

Humidity

The average relative humidity in May is 80%.

Rainfall

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

Snowfall

January through May, October through December are months with snowfall in Reading. May is the last month it regularly snows. During 0.2 snowfall days, in May, Reading 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 Reading, the average length of the day in May 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, in Reading, sunrise is at 5:35 am and sunset at 8:27 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Reading are May through July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 6 in May transforms into the following instructions:
Avert overexposure. Light-skinned people might experience burning 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. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What is the usual temperature for Reading in May?

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

What is the average humidity in May in Reading?

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

How many days does it rain in May in Reading?

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

What is the last month it snows in Reading?

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

How many hours of daylight does Reading have in May?

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

What time are sunrise and sunset in May in Reading?

On the first day of May in Reading, Pennsylvania, 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 many hours of sunshine does Reading have in May?

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

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

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 Reading?

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Reading, Pennsylvania, USA

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