May weather forecast
Richboro, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Richboro, Pennsylvania, with an average temperature varying between 71.2°F (21.8°C) and 53.6°F (12°C).

Temperature

May's onset brings a rise in the average high-temperature, moving from a moderate 60.6°F (15.9°C) in April to a pleasant 71.2°F (21.8°C). Richboro records an average nighttime low of 53.6°F (12°C) in May.

Humidity

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

Rainfall

In Richboro, during May, the rain falls for 16.8 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Richboro, during the entire year, the rain falls for 156 days and collects up to 31.77" (807mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Richboro. May is the last month it regularly snows in Richboro, Pennsylvania. During 0.1 snowfall days, in May, Richboro aggregates 0.28" (7mm) of snow. In Richboro, during the entire year, snow falls for 24 days and aggregates up to 12.13" (308mm) of snow.

Daylight

In May, the average length of the day in Richboro, Pennsylvania, is 14h and 26min.
On the first day of May in Richboro, sunrise is at 5:58 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:23 pm EDT.

Sunshine

In May, the average sunshine in Richboro 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 of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 6 in May transforms into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What is the average May temperature in Richboro?

During May, Richboro experiences an average high-temperature of 71.2°F (21.8°C) and a low-temperature of 53.6°F (12°C).

What is the average humidity in May in Richboro?

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

How much does it rain in Richboro in May?

In Richboro, during May, the rain falls for 16.8 days and regularly aggregates up to 2.83" (72mm) of precipitation.

What is the last month it snows in Richboro?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Richboro aggregates 0.28" (7mm) of snow.

How many hours of daylight does Richboro have in May?

In May, the average day length in Richboro is 14h and 26min.

When are sunrise and sunset in May in Richboro?

On the first day of May, sunrise is at 5:58 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:23 pm EDT.

How many hours of sunshine does Richboro have in May?

In May, the average sunshine duration in Richboro, Pennsylvania, is 8.5h.

When is the highest UV index in Richboro?

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 Richboro?

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
Richboro, PA

Average temperature in May - Richboro, PA
  • Average high temperature in May: 71.2°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 (36.9°F).

  • Average low temperature in May: 53.6°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).

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Average pressure in May
Richboro, PA

Average pressure in May - Richboro, 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 (29.93"Hg).

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Average wind speed in May
Richboro, PA

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

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in May
Richboro, PA

Average humidity in May - Richboro, 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 (72%).

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Average rainfall in May
Richboro, PA

Average rainfall in May - Richboro, PA
  • Average rainfall in May: 2.83"

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in May
Richboro, PA

Average rainfall days in May - Richboro, PA
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in May
Richboro, PA

Average snowfall in May - Richboro, PA
  • Average snowfall in May: 0.28"

The month with the highest snowfall is March (3.78").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Richboro, PA

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

The month with the highest number of snowfall days is January (7.3 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
Richboro, PA

Average daylight in May / Average sunshine in May - Richboro, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in May
Richboro, PA

Average sunshine days in May - Richboro, PA
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in May
Richboro, PA

Average UV index in May - Richboro, 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).

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Average cloud cover in May
Richboro, PA

Average cloud cover in May - Richboro, PA
  • Average cloud cover in May: 47

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

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Average visibility in May
Richboro, PA

Average visibility in May - Richboro, 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).

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Richboro, Pennsylvania, USA

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