May weather forecast
McElhattan, PA

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Weather in May

The last month of the spring, May, is a pleasant month in McElhattan, Pennsylvania, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 68.9°F (20.5°C).

Temperature

The shift into May brings an increase in the average high-temperature, moving from a mild 56.7°F (13.7°C) in April to an agreeable 68.9°F (20.5°C). McElhattan's May nights cool down to an average low-temperature of 47.8°F (8.8°C).

Humidity

In McElhattan, the average relative humidity in May is 79%.

Rainfall

In McElhattan, in May, it is raining for 18.7 days, with typically 3.43" (87mm) of accumulated precipitation. In McElhattan, during the entire year, the rain falls for 174.7 days and collects up to 32.09" (815mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, McElhattan aggregates 0.16" (4mm) of snow. In McElhattan, during the entire year, snow falls for 56.1 days and aggregates up to 24.84" (631mm) of snow.

Daylight

In McElhattan, the average length of the day in May is 14h and 31min.
On the first day of May in McElhattan, sunrise is at 6:05 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:35 pm EDT.

Sunshine

The average sunshine in May is 8.1h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

What are May temperatures?

McElhattan in May has an average high-temperature of 68.9°F (20.5°C) and an average low-temperature of 47.8°F (8.8°C).

What is the average humidity in May?

In May, the average relative humidity in McElhattan is 79%.

How much does it rain in McElhattan in May?

In McElhattan, in May, it is raining for 18.7 days, with typically 3.43" (87mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, McElhattan aggregates 0.16" (4mm) of snow.

How many hours of daylight does McElhattan have in May?

The average day length in May is 14h and 31min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:35 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.1h.

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 medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
McElhattan, PA

Average temperature in May - McElhattan, PA
  • Average high temperature in May: 68.9°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in May: 47.8°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in May
McElhattan, PA

Average pressure in May - McElhattan, 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 (29.95"Hg).

Average wind speed in May
McElhattan, PA

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

The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
McElhattan, PA

Average humidity in May - McElhattan, PA
  • Average humidity in May: 79%

The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (77%).

Average rainfall in May
McElhattan, PA

Average rainfall in May - McElhattan, PA
  • Average rainfall in May: 3.43"

The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in May
McElhattan, PA

Average rainfall days in May - McElhattan, PA
  • Average rainfall days in May: 18.7 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in May
McElhattan, PA

Average snowfall in May - McElhattan, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
McElhattan, PA

Average snowfall days in May - McElhattan, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - McElhattan, PA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in May
McElhattan, PA

Average sunshine days in May - McElhattan, PA
  • Average sunshine days in May: 9.9 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.8 days).

Average UV index in May
McElhattan, PA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
McElhattan, PA

Average cloud cover in May - McElhattan, PA
  • Average cloud cover in May: 51

The months with the most cloud cover are January and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in May
McElhattan, PA

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

The months with the highest visibility are January, March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are February, September and December (4mi).

McElhattan, Pennsylvania, USA

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