May weather forecast
Ironstone, PA

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Weather in May

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

Temperature

As May begins, there is an increase in the average high-temperature, moving from a refreshing 60.3°F (15.7°C) in April to a pleasant 70.7°F (21.5°C). In Ironstone, the nighttime temperature averages to a fresh 52.3°F (11.3°C) during May.

Humidity

The average relative humidity in May in Ironstone is 79%.

Rainfall

In May, in Ironstone, the rain falls for 17 days. Throughout May, 2.6" (66mm) of precipitation is accumulated. In Ironstone, during the entire year, the rain falls for 146.5 days and collects up to 27.87" (708mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Ironstone, the average length of the day in May 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 8:26 pm EDT.

Sunshine

In Ironstone, the average sunshine in May is 8.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 6 during May translates into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The high-temperature during May is 70.7°F (21.5°C) and the low-temperature is 52.3°F (11.3°C).

What is the average humidity in May?

In May, the average relative humidity is 79%.

How many days does it rain in May?

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

When it does not snow?

In Ironstone, Pennsylvania, snow does not fall in May through October.

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 Ironstone have in May?

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

When are sunrise and sunset in May?

In May, on the first day of the month, 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 8:26 pm EDT.

How many hours of sunshine does Ironstone have in May?

In May, the average sunshine duration is 8.4h.

What is the month with the highest UV index?

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

How high is the UV index in May?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Ironstone, PA

Average temperature in May - Ironstone, 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).

Average pressure in May
Ironstone, PA

Average pressure in May - Ironstone, 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
Ironstone, PA

Average wind speed in May - Ironstone, 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).

Average humidity in May
Ironstone, PA

Average humidity in May - Ironstone, 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%).

Average rainfall in May
Ironstone, PA

Average rainfall in May - Ironstone, 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").

Average rainfall days in May
Ironstone, PA

Average rainfall days in May - Ironstone, 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).

Average snowfall in May
Ironstone, PA

Average snowfall in May - Ironstone, 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").

Average snowfall days in May
Ironstone, PA

Average snowfall days in May - Ironstone, 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).

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

Average daylight in May / Average sunshine in May - Ironstone, 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).

Average sunshine days in May
Ironstone, PA

Average sunshine days in May - Ironstone, 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).

Average UV index in May
Ironstone, PA

Average UV index in May - Ironstone, 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).

Average cloud cover in May
Ironstone, PA

Average cloud cover in May - Ironstone, 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).

Average visibility in May
Ironstone, PA

Average visibility in May - Ironstone, 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).

Ironstone, Pennsylvania, USA

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