May weather forecast
Lyons, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Lyons, Pennsylvania, with an average temperature ranging between max 69.4°F (20.8°C) and min 50.9°F (10.5°C).

Temperature

The arrival of May signals an increase in the average high-temperature, moving from a mild 59°F (15°C) in April to an agreeable 69.4°F (20.8°C). Lyons sees an average low-temperature of 50.9°F (10.5°C) during May.

Humidity

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

Rainfall

In May, the rain falls for 17.2 days. Throughout May, 2.56" (65mm) of precipitation is accumulated. In Lyons, Pennsylvania, during the entire year, the rain falls for 147.9 days and collects up to 25.94" (659mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In May, the average length of the day is 14h and 27min.
On the first day of May, sunrise is at 6:00 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:26 pm EDT.

Sunshine

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

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 5 in May leads to these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

The average high-temperature, in May, in Lyons, is 69.4°F (20.8°C), while the average low-temperature is 50.9°F (10.5°C).

What is the average humidity in May?

In May, the average relative humidity is 80%.

How much does it rain in May?

In Lyons, Pennsylvania, in May, it is raining for 17.2 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall in Lyons.

Does it snow in May?

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

How many hours of daylight does Lyons have in May?

The average day length in May is 14h and 27min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Lyons have in May?

In May, the average sunshine duration is 8.2h.

What is the UV index reading in May?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate 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
Lyons, PA

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

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in May: 50.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in May
Lyons, PA

Average pressure in May - Lyons, 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).

Average wind speed in May
Lyons, PA

Average wind speed in May - Lyons, PA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
Lyons, PA

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

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).

Average rainfall in May
Lyons, PA

Average rainfall in May - Lyons, PA
  • Average rainfall in May: 2.56"

The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in May
Lyons, PA

Average rainfall days in May - Lyons, PA
  • Average rainfall days in May: 17.2 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in May
Lyons, PA

Average snowfall in May - Lyons, PA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Lyons, PA

Average snowfall days in May - Lyons, PA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Lyons, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in May
Lyons, PA

Average sunshine days in May - Lyons, PA
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).

Average UV index in May
Lyons, PA

Average UV index in May - Lyons, PA
  • Average UV index in May: 5

The months with the highest UV index are 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
Lyons, PA

Average cloud cover in May - Lyons, PA
  • Average cloud cover in May: 49

The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Lyons, PA

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

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

Lyons, Pennsylvania, USA

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