May weather forecast
Landenberg, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Landenberg, Pennsylvania, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 70.9°F (21.6°C).

Temperature

Landenberg's weather shows a temperature rise with the arrival of May, moving from a comfortable 61.2°F (16.2°C) in April to a pleasant 70.9°F (21.6°C). During the nights in May, an average low-temperature of 53.6°F (12°C) is observed.

Humidity

February, May, September, October and December, with an average relative humidity of 79%, are the most humid months in Landenberg, Pennsylvania.

Rainfall

In May, in Landenberg, Pennsylvania, the rain falls for 13.9 days. Throughout May, 1.42" (36mm) of precipitation is accumulated. In Landenberg, during the entire year, the rain falls for 126.3 days and collects up to 14.25" (362mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Landenberg, Pennsylvania. May is the last month it regularly snows. During 0.1 snowfall days, in May, Landenberg aggregates 0.12" (3mm) of snow. In Landenberg, during the entire year, snow falls for 15.4 days and aggregates up to 4.33" (110mm) of snow.

Daylight

The average length of the day in May is 14h and 23min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:57 pm. On the last day of May, in Landenberg, sunrise is at 5:36 am and sunset at 8:24 pm EDT.

Sunshine

The average sunshine in May in Landenberg is 8.5h.

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 vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 6 in May translates into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. 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. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What are May temperatures in Landenberg?

An average high-temperature, in May, in Landenberg, is 70.9°F (21.6°C) and the average low-temperature is 53.6°F (12°C).

What is the most humid month in Landenberg?

February, May, September, October and December, with an average relative humidity of 79%, are most humid months in Landenberg.

What is the average humidity in May in Landenberg?

In May, the average relative humidity is 79%.

How many days does it rain in May in Landenberg?

In Landenberg, in May, it is raining for 13.9 days, with typically 1.42" (36mm) of accumulated precipitation.

What is the last month it snows in Landenberg?

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

What is the average length of the day in May in Landenberg?

In Landenberg, the average day length in May is 14h and 23min.

When is the sunrise / sunset in May in Landenberg?

On the first day of May in Landenberg, sunrise is at 6:02 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:24 pm EDT.

How many hours of sunshine does Landenberg have in May?

The average sunshine duration in May in Landenberg is 8.5h.

What is the month with the highest UV index in Landenberg?

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

What is the UV index intensity in May in Landenberg?

In May, the average daily maximum UV index in Landenberg, Pennsylvania, is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Landenberg, PA

Average temperature in May - Landenberg, PA
  • Average high temperature in May: 70.9°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in May: 53.6°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

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Average pressure in May
Landenberg, PA

Average pressure in May - Landenberg, 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 (29.94"Hg).

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Average wind speed in May
Landenberg, PA

Average wind speed in May - Landenberg, PA
  • Average wind speed in May: 6.7mph

The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in May
Landenberg, PA

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

The months with the highest relative humidity are February, May, September, October and December (79%).
The months with the lowest relative humidity are March and April (75%).

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Average rainfall in May
Landenberg, PA

Average rainfall in May - Landenberg, PA
  • Average rainfall in May: 1.42"

The wettest month (with the highest rainfall) is August (1.93").
The driest months (with the least rainfall) are January, September and November (0.87").

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Average rainfall days in May
Landenberg, PA

Average rainfall days in May - Landenberg, PA
  • Average rainfall days in May: 13.9 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in May
Landenberg, PA

Average snowfall in May - Landenberg, PA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Landenberg, PA

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

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Landenberg, PA
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
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).

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Average sunshine days in May
Landenberg, PA

Average sunshine days in May - Landenberg, PA
  • Average sunshine days in May: 14.4 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in May
Landenberg, PA

Average UV index in May - Landenberg, 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).

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Average cloud cover in May
Landenberg, PA

Average cloud cover in May - Landenberg, 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 30).

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Average visibility in May
Landenberg, PA

Average visibility in May - Landenberg, 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).

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Landenberg, Pennsylvania, USA

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