May weather forecast
Chadds Ford, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Chadds Ford, Pennsylvania, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 71.6°F (22°C).

Temperature

Chadds Ford, Pennsylvania, sees a rise in temperature during May, with average high-temperatures transitioning from a refreshing 61.3°F (16.3°C) in April to a pleasant 71.6°F (22°C). During May, the average low-temperature is a fresh 54.5°F (12.5°C).

Humidity

The average relative humidity in May is 77%.

Rainfall

In May, the rain falls for 18.7 days. Throughout May, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 168.9 rainfall days, and 35.55" (903mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Chadds Ford aggregates 0.12" (3mm) of snow. Throughout the year, there are 21.9 snowfall days, and 12.05" (306mm) of snow is accumulated.

Daylight

In May, the average length of the day in Chadds Ford, Pennsylvania, is 14h and 24min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:24 pm EDT.

Sunshine

The average sunshine in May is 8.6h.

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 risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 6 transforms into these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

What are May temperatures?

May temperatures vary between a high-temperature of 71.6°F (22°C) and a low-temperature of 54.5°F (12.5°C).

What is the average humidity in May?

In Chadds Ford, the average relative humidity in May is 77%.

How much does it rain in May?

In Chadds Ford, in May, it is raining for 18.7 days, with typically 3.19" (81mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Chadds Ford aggregates 0.12" (3mm) of snow.

What is the average length of the day in May in Chadds Ford?

In Chadds Ford, the average day length in May is 14h and 24min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:24 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.6h.

When is the highest UV index?

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

How high is the UV index in May?

In Chadds Ford, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
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
Chadds Ford, PA

Average temperature in May - Chadds Ford, PA
  • Average high temperature in May: 71.6°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in May
Chadds Ford, PA

Average pressure in May - Chadds Ford, 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
Chadds Ford, PA

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

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in May
Chadds Ford, PA

Average humidity in May - Chadds Ford, PA
  • Average humidity in May: 77%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in May
Chadds Ford, PA

Average rainfall in May - Chadds Ford, PA
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

Average rainfall days in May
Chadds Ford, PA

Average rainfall days in May - Chadds Ford, 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 November (8.8 days).

Average snowfall in May
Chadds Ford, PA

Average snowfall in May - Chadds Ford, PA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Chadds Ford, PA

Average snowfall days in May - Chadds Ford, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Chadds Ford, PA

Average daylight in May / Average sunshine in May - Chadds Ford, 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 4min

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 54min).

Average sunshine days in May
Chadds Ford, PA

Average sunshine days in May - Chadds Ford, PA
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).

Average UV index in May
Chadds Ford, PA

Average UV index in May - Chadds Ford, 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
Chadds Ford, PA

Average cloud cover in May - Chadds Ford, PA
  • Average cloud cover in May: 46

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in May
Chadds Ford, PA

Average visibility in May - Chadds Ford, PA
  • Average visibility in May: 6mi

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

Chadds Ford, Pennsylvania, USA

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