May weather forecast
Steelton, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Steelton, Pennsylvania, with an average temperature fluctuating between 51.8°F (11°C) and 70.2°F (21.2°C).

Temperature

May witnesses an increase in the average high-temperature, moving from a refreshing 59.9°F (15.5°C) in April to a pleasant 70.2°F (21.2°C). Steelton records a steady low-temperature average of 51.8°F (11°C) during May.

Humidity

The months with the highest humidity are February and May, with an average relative humidity of 80%.

Rainfall

The months with the most rainfall are May and August, with an average 2.09" (53mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Steelton, the average length of the day in May is 14h and 26min.
On the first day of May, sunrise is at 6:05 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:30 pm EDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

May through July, 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 risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

What are May temperatures?

May temperatures vary between a high-temperature of 70.2°F (21.2°C) and a low-temperature of 51.8°F (11°C).

What are the most humid months?

The months with the highest humidity in Steelton are February and May, with an average relative humidity of 80%.

What is the average humidity in May?

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

What is the rainiest month?

The wettest months in Steelton are May and August, with an average 2.09" (53mm) of rainfall.

How much does it rain in May?

In Steelton, during May, the rain falls for 17 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

Does it snow in Steelton in May?

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

What is the average length of the day in May?

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

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:30 pm EDT.

How many hours of sunshine does Steelton have in May?

In May, the average sunshine duration is 8.5h.

What is the month with the highest UV index?

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

What is the UV index reading in May?

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
Steelton, PA

Average temperature in May - Steelton, PA
  • Average high temperature in May: 70.2°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in May: 51.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in May
Steelton, PA

Average pressure in May - Steelton, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Steelton, PA

Average wind speed in May - Steelton, PA
  • Average wind speed in May: 6.4mph

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
Steelton, PA

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

The months with the highest relative humidity are February and May (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in May
Steelton, PA

Average rainfall in May - Steelton, PA
  • Average rainfall in May: 2.09"

The wettest months (with the highest rainfall) are May and August (2.09").
The driest months (with the least rainfall) are January and September (1.3").

Average rainfall days in May
Steelton, PA

Average rainfall days in May - Steelton, PA
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in May
Steelton, PA

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

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Steelton, PA

Average snowfall days in May - Steelton, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Steelton, 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 3min

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 30min).

Average sunshine days in May
Steelton, PA

Average sunshine days in May - Steelton, PA
  • Average sunshine days in May: 12 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12 days).

Average UV index in May
Steelton, PA

Average UV index in May - Steelton, 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
Steelton, PA

Average cloud cover in May - Steelton, PA
  • Average cloud cover in May: 46

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in May
Steelton, PA

Average visibility in May - Steelton, 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).

Steelton, Pennsylvania, USA

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