May weather forecast
Edison, NJ

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Weather in May

Weather during May transitions into a more comfortable zone with a substantial rise in temperature. The increase in daylight hours causes a total disappearance of snowfall. The absence of snow creates more engaging outdoor scenarios where floral beauty intensifies. With May, Edison experiences a full bloom period, forming an enchanting atmosphere that is hard to miss.

Temperature

In Edison, the average high-temperature in May increases from a mild 59.2°F (15.1°C) in April to an agreeable 69.4°F (20.8°C). Throughout May, Edison witnesses a nighttime temperature average of 53.2°F (11.8°C).

Humidity

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

Rainfall

In Edison, in May, it is raining for 16.3 days, with typically 2.8" (71mm) of accumulated precipitation. In Edison, during the entire year, the rain falls for 149.9 days and collects up to 26.93" (684mm) of precipitation.

Snowfall

May through October are months without snowfall in Edison.

Daylight

In Edison, the average length of the day in May is 14h and 27min.
On the first day of May in Edison, sunrise is at 5:55 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:21 pm EDT.

Sunshine

The average sunshine in May in Edison is 8.4h.

UV index

The months with the highest UV index in Edison are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 6 in May leads to these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the temperature in May in Edison?

The high-temperature in Edison during May is 69.4°F (20.8°C) and the low-temperature is 53.2°F (11.8°C).

What is the average humidity in May in Edison?

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

How many days does it rain in May in Edison?

In Edison, New Jersey, during May, the rain falls for 16.3 days and regularly aggregates up to 2.8" (71mm) of precipitation.

When it does not snow in Edison?

In Edison, New Jersey, snow does not fall in May through October.

Does it snow in Edison in May?

In May, it doesn't snow. April is the latest month when it typically snows.

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

The average day length in May is 14h and 27min.

What time are sunrise and sunset in May in Edison?

On the first day of May in Edison, sunrise is at 5:55 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:21 pm EDT.

How long on average sun shines in May in Edison?

The average sunshine duration in May in Edison, New Jersey, is 8.4h.

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

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

What is the UV index reading in May in Edison?

In Edison, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe 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
Edison, NJ

Average temperature in May - Edison, NJ
  • Average high temperature in May: 69.4°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in May: 53.2°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in May
Edison, NJ

Average pressure in May - Edison, NJ
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Edison, NJ

Average wind speed in May - Edison, NJ
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in May
Edison, NJ

Average humidity in May - Edison, NJ
  • Average humidity in May: 76%

The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is August (72%).

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Average rainfall in May
Edison, NJ

Average rainfall in May - Edison, NJ
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in May
Edison, NJ

Average rainfall days in May - Edison, NJ
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in May
Edison, NJ

Average snowfall in May - Edison, NJ
  • Average snowfall in May: 0"

The month with the highest snowfall is March (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Edison, NJ

Average snowfall days in May - Edison, NJ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Edison, NJ
  • Average daylight in May: 14h and 3min

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 18min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Edison, NJ

Average sunshine days in May - Edison, NJ
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in May
Edison, NJ

Average UV index in May - Edison, 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, March, November and December (UV index 2).

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Average cloud cover in May
Edison, NJ

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

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in May
Edison, NJ

Average visibility in May - Edison, 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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Edison, New Jersey, USA

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