May weather forecast
Gulph Mills, PA

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Weather in May

May, the last month of the spring in Gulph Mills, is an agreeable month, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 71.4°F (21.9°C).

Temperature

Gulph Mills's weather in May shows a rise in the average high-temperature, moving up from April's comfortable 60.8°F (16°C) to an agreeable 71.4°F (21.9°C). May witnesses an average low-temperature hovering around a fresh 53.4°F (11.9°C).

Humidity

In Gulph Mills, the average relative humidity in May is 76%.

Rainfall

In Gulph Mills, Pennsylvania, in May, during 16 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, in Gulph Mills, there are 138.2 rainfall days, and 15.59" (396mm) of precipitation is accumulated.

Snowfall

January through March, May and December are months with snowfall. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. In Gulph Mills, during the entire year, snow falls for 15.8 days and aggregates up to 2.13" (54mm) of snow.

Daylight

In Gulph Mills, the average length of the day in May 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

The average sunshine in May is 8.5h.

UV index

The months with the highest UV index in Gulph Mills are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 during May translates into the following directions:
Deter overexposure. Protecting against the sun's effects is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In May, in Gulph Mills, the average high-temperature is 71.4°F (21.9°C), and the average low-temperature is 53.4°F (11.9°C).

What is the average humidity in May?

In Gulph Mills, the average relative humidity in May is 76%.

How many days does it rain in May?

In May, the rain falls for 16 days. Throughout May, 1.77" (45mm) of precipitation is accumulated.

When does it start to snow?

May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does Gulph Mills have in May?

In May, the average day length is 14h and 25min.

What time are sunrise and sunset in May?

In May, on the first day of the month, 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 long on average sun shines in May?

The average sunshine duration in May is 8.5h.

What is the month with the highest UV index in Gulph Mills?

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

How high is the UV index in May?

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Gulph Mills, PA

Average temperature in May - Gulph Mills, PA
  • Average high temperature in May: 71.4°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in May: 53.4°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in May
Gulph Mills, PA

Average pressure in May - Gulph Mills, 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
Gulph Mills, PA

Average wind speed in May - Gulph Mills, PA
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in May
Gulph Mills, PA

Average humidity in May - Gulph Mills, PA
  • Average humidity in May: 76%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in May
Gulph Mills, PA

Average rainfall in May - Gulph Mills, PA
  • Average rainfall in May: 1.77"

The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in May
Gulph Mills, PA

Average rainfall days in May - Gulph Mills, PA
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).

Average snowfall in May
Gulph Mills, PA

Average snowfall in May - Gulph Mills, PA
  • Average snowfall in May: 0.16"

The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").

Average snowfall days in May
Gulph Mills, PA

Average snowfall days in May - Gulph Mills, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Gulph Mills, PA

Average daylight in May / Average sunshine in May - Gulph Mills, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Gulph Mills, PA

Average sunshine days in May - Gulph Mills, PA
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).

Average UV index in May
Gulph Mills, PA

Average UV index in May - Gulph Mills, 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
Gulph Mills, PA

Average cloud cover in May - Gulph Mills, PA
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in May
Gulph Mills, PA

Average visibility in May - Gulph Mills, 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).

Gulph Mills, Pennsylvania, USA

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