May weather forecast
Wynnewood, PA

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Weather in May

May, the last month of the spring in Wynnewood, is a pleasant month, with an average temperature varying between 71.8°F (22.1°C) and 54.3°F (12.4°C).

Temperature

The arrival of May brings a change in Wynnewood's weather, with average high-temperatures moving from April's refreshing 61.2°F (16.2°C) to a pleasant 71.8°F (22.1°C). In May, the average low-temperature is a cool 54.3°F (12.4°C).

Humidity

In Wynnewood, the average relative humidity in May is 75%.

Rainfall

In Wynnewood, Pennsylvania, during May, the rain falls for 12.6 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Wynnewood, during the entire year, the rain falls for 111.8 days and collects up to 9.69" (246mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 25min.
On the first day of May, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:23 pm EDT.

Sunshine

In May, the average sunshine 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 estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What are May temperatures?

In May, the average high-temperature and low-temperature are 71.8°F (22.1°C) and 54.3°F (12.4°C) respectively.

What is the average humidity in May in Wynnewood?

The average relative humidity in May is 75%.

How many days does it rain in May?

In May, the rain falls for 12.6 days. Throughout May, 0.91" (23mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in May?

The average day length in May is 14h and 25min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:00 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:23 pm EDT.

How many hours of sunshine does Wynnewood have in May?

In Wynnewood, the average sunshine duration in May 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.

What is the UV index intensity in May?

In Wynnewood, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Wynnewood, PA

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

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in May: 54.3°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in May
Wynnewood, PA

Average pressure in May - Wynnewood, 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
Wynnewood, PA

Average wind speed in May - Wynnewood, PA
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in May
Wynnewood, PA

Average humidity in May - Wynnewood, PA
  • Average humidity in May: 75%

The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall in May
Wynnewood, PA

Average rainfall in May - Wynnewood, PA
  • Average rainfall in May: 0.91"

The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in May
Wynnewood, PA

Average rainfall days in May - Wynnewood, PA
  • Average rainfall days in May: 12.6 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in May
Wynnewood, PA

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

The months with the highest snowfall are February and March (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Wynnewood, PA

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

The month with the highest number of snowfall days is January (4.5 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
Wynnewood, PA

Average daylight in May / Average sunshine in May - Wynnewood, 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 36min).

Average sunshine days in May
Wynnewood, PA

Average sunshine days in May - Wynnewood, PA
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).

Average UV index in May
Wynnewood, PA

Average UV index in May - Wynnewood, 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, November and December (UV index 2).

Average cloud cover in May
Wynnewood, PA

Average cloud cover in May - Wynnewood, PA
  • Average cloud cover in May: 48

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
Wynnewood, PA

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

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

Wynnewood, Pennsylvania, USA

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