May weather forecast
Glendora, NJ

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Weather in May

May, the last month of the spring in Glendora, is an agreeable month, with an average temperature ranging between max 72°F (22.2°C) and min 55°F (12.8°C).

Temperature

The arrival of May signals an increase in the average high-temperature, moving from a refreshing 62.1°F (16.7°C) in April to an agreeable 72°F (22.2°C). During the nights in May, an average low-temperature of 55°F (12.8°C) is observed in Glendora.

Humidity

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

Rainfall

In Glendora, in May, it is raining for 13.1 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, in Glendora, New Jersey, there are 117 rainfall days, and 12.13" (308mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, May, November and December. May is the first month it typically snows in Glendora, New Jersey. Throughout May, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 11.4 snowfall days, and 3.11" (79mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 23min.
On the first day of May, sunrise is at 5:59 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:22 pm EDT.

Sunshine

In Glendora, New Jersey, the average sunshine in May is 8.7h.

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 unsafe exposure to UV radiation for average individuals.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the average May temperature in Glendora?

The high-temperature, in May, in Glendora, is 72°F (22.2°C), while the low-temperature averages to 55°F (12.8°C).

What is the average humidity in May in Glendora?

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

How much does it rain in Glendora in May?

In Glendora, in May, during 13.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When does it start to snow in Glendora?

May is the first month it typically snows in Glendora, New Jersey. Throughout May, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow.

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

The average day length in May in Glendora, New Jersey, is 14h and 23min.

When is the sunrise / sunset in May in Glendora?

On the first day of May, sunrise is at 5:59 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:22 pm EDT.

How many hours of sunshine does Glendora have in May?

In Glendora, New Jersey, the average sunshine duration in May is 8.7h.

What are the months with the highest UV index in Glendora?

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

What is the UV index intensity in May in Glendora?

In May, the average daily maximum UV index in Glendora, New Jersey, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Glendora, NJ

Average temperature in May - Glendora, NJ
  • Average high temperature in May: 72°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 (37.9°F).

  • Average low temperature in May: 55°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in May
Glendora, NJ

Average pressure in May - Glendora, NJ
  • 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).

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Average wind speed in May
Glendora, NJ

Average wind speed in May - Glendora, NJ
  • Average wind speed in May: 7mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in May
Glendora, NJ

Average humidity in May - Glendora, NJ
  • Average humidity in May: 75%

The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in May
Glendora, NJ

Average rainfall in May - Glendora, NJ
  • Average rainfall in May: 1.02"

The wettest month (with the highest rainfall) is August (1.38").
The driest months (with the least rainfall) are January and September (0.67").

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Average rainfall days in May
Glendora, NJ

Average rainfall days in May - Glendora, NJ
  • Average rainfall days in May: 13.1 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in May
Glendora, NJ

Average snowfall in May - Glendora, NJ
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in May
Glendora, NJ

Average snowfall days in May - Glendora, NJ
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Glendora, NJ

Average daylight in May / Average sunshine in May - Glendora, NJ
  • 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 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).

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Average sunshine days in May
Glendora, NJ

Average sunshine days in May - Glendora, NJ
  • Average sunshine days in May: 15.4 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.3 days).

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Average UV index in May
Glendora, NJ

Average UV index in May - Glendora, NJ
  • 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
Glendora, NJ

Average cloud cover in May - Glendora, NJ
  • Average cloud cover in May: 46

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

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Average visibility in May
Glendora, NJ

Average visibility in May - Glendora, NJ
  • 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).

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Glendora, New Jersey, USA

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