May weather forecast
Irwin, PA

Share

Weather in May

May, the last month of the spring in Irwin, is a pleasant month, with an average temperature ranging between max 71.8°F (22.1°C) and min 51.4°F (10.8°C).

Temperature

As April gives way to May, the average high-temperature displays an increase, moving from a mild 60.1°F (15.6°C) to a pleasant 71.8°F (22.1°C). Throughout May, an average nighttime temperature of 51.4°F (10.8°C) is experienced.

Humidity

In May, the average relative humidity in Irwin is 78%.

Rainfall

May is the month with the most rainfall in Irwin. Rain falls for 18.3 days and accumulates 2.28" (58mm) of precipitation.

Snowfall

In Irwin, snow does not fall in May through September.

Daylight

In May, the average length of the day in Irwin, Pennsylvania, is 14h and 26min.
On the first day of May in Irwin, Pennsylvania, sunrise is at 6:17 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:42 pm EDT.

Sunshine

In Irwin, Pennsylvania, the average sunshine in May is 8.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
[Resources]

Frequently asked questions

What are May temperatures in Irwin?

The high-temperature in Irwin, Pennsylvania, during May is 71.8°F (22.1°C) and the low-temperature is 51.4°F (10.8°C).

What is the average humidity in May in Irwin?

The average relative humidity in May is 78%.

What is the wettest month in Irwin?

The month with the most rainfall in Irwin, Pennsylvania, is May, when the rain falls for 18.3 days and typically aggregates up to 2.28" (58mm) of precipitation.

How many days does it rain in May in Irwin?

In Irwin, during May, the rain falls for 18.3 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow in Irwin?

In Irwin, Pennsylvania, snow does not fall in May through September.

Does it snow in Irwin in May?

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

How many hours of daylight does Irwin have in May?

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

When is the sunrise / sunset in May in Irwin?

On the first day of May, sunrise is at 6:17 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:42 pm EDT.

How many hours of sunshine does Irwin have in May?

In Irwin, the average sunshine duration in May is 8.9h.

What is the month with the highest UV index in Irwin?

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

How high is the UV index in May in Irwin?

The average daily maximum UV index in May in Irwin, Pennsylvania, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to 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
Irwin, PA

Average temperature in May - Irwin, PA
  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

[Resources]

Average pressure in May
Irwin, PA

Average pressure in May - Irwin, PA
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

[Resources]

Average wind speed in May
Irwin, PA

Average wind speed in May - Irwin, PA
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

[Resources]

Average humidity in May
Irwin, PA

Average humidity in May - Irwin, PA
  • Average humidity in May: 78%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).

[Resources]

Average rainfall in May
Irwin, PA

Average rainfall in May - Irwin, PA
  • Average rainfall in May: 2.28"

The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and November (1.14").

[Resources]

Average rainfall days in May
Irwin, PA

Average rainfall days in May - Irwin, PA
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.1 days).

[Resources]

Average snowfall in May
Irwin, PA

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

The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in May
Irwin, PA

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

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

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

Average daylight in May / Average sunshine in May - Irwin, 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 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

[Resources]

Average sunshine days in May
Irwin, PA

Average sunshine days in May - Irwin, PA
  • Average sunshine days in May: 10.3 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (9 days).

[Resources]

Average UV index in May
Irwin, PA

Average UV index in May - Irwin, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

[Resources]

Average cloud cover in May
Irwin, PA

Average cloud cover in May - Irwin, PA
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 32).

[Resources]

Average visibility in May
Irwin, PA

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

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

[Resources]

Irwin, Pennsylvania, USA

Weather forecast for your location

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