May weather forecast and climate
New Brunswick, NJ

An aerial panorama of the city of Brunswick, New Jersey, seen with its deep tree cover, a large river, and bridges over the river
An aerial panorama of the city of Brunswick, New Jersey, seen with its deep tree cover, a large river, and bridges over the river

Weather in May

The last month of the spring, May, is an agreeable month in New Brunswick, New Jersey, with average temperature varying between 53.2°F (11.8°C) and 69.6°F (20.9°C).

Temperature

In May, the average high-temperature increases, from a moderate 59.5°F (15.3°C) in April, to a pleasant 69.6°F (20.9°C). The average low-temperature, in May, is 53.2°F (11.8°C).

Humidity

The average relative humidity in New Brunswick, New Jersey, is 76%.

Rainfall

In New Brunswick, in May, during 16.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, in New Brunswick, there are 149.4 rainfall days, and 28.43" (722mm) of precipitation is accumulated.

Snowfall

Months with snowfall in New Brunswick are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, New Brunswick aggregates 0.2" (5mm) of snow. In New Brunswick, during the entire year, snow falls for 18.3 days, and aggregates up to 8.46" (215mm) of snow.

Daylight

In May, the average length of the day is 14.5h.

Sunshine

The average sunshine is 8.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the average humidity in May in New Brunswick?

In New Brunswick, New Jersey, the average relative humidity in May is 76%.

How many days does it rain in May in New Brunswick?

In New Brunswick, New Jersey, in May, it is raining for 16.3 days, with typically 2.8" (71mm) of accumulated precipitation.

What is the last month it snows in New Brunswick?

May is the last month it regularly snows. During 0.1 snowfall days, in May, New Brunswick aggregates 0.2" (5mm) of snow.

How many hours of daylight does New Brunswick have in May?

The average length of the day in May is 14.5h.

How many hours of sunshine does New Brunswick have in May?

In May, the average sunshine is 8.4h.

When is the highest UV index in New Brunswick?

Months with the highest UV index in New Brunswick, New Jersey, are May through August, with an average maximum UV index of 6.

How high is the UV index in May in New Brunswick?

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

Average temperature in May
New Brunswick, NJ

Average temperature in May - New Brunswick, NJ
  • Average high temperature in May: 69.6°F

The warmest month (with the highest average high temperature) is July (84.6°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 (24.6°F).

[Resources]

Average pressure in May
New Brunswick, NJ

Average pressure in May - New Brunswick, NJ
  • Average pressure in May: 30.01"

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

[Resources]

Average wind speed in May
New Brunswick, NJ

Average wind speed in May - New Brunswick, NJ
  • Average wind speed in May: 7.2mph

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

[Resources]

Average humidity in May
New Brunswick, NJ

Average humidity in May - New Brunswick, NJ
  • Average humidity in May: 76%

Months with the highest relative humidity are February, October and December (77%).
Months with the lowest relative humidity are April and August (72%).

[Resources]

Average rainfall in May
New Brunswick, NJ

Average rainfall in May - New Brunswick, NJ
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.61").

[Resources]

Average rainfall days in May
New Brunswick, NJ

Average rainfall days in May - New Brunswick, NJ
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (7.9 days).

[Resources]

Average snowfall in May
New Brunswick, NJ

Average snowfall in May - New Brunswick, NJ
  • Average snowfall in May: 0.2"

The month with the highest snowfall is March (3.5").
Months with the least snowfall are June, July, August, September and October (0").

[Resources]

Average snowfall days in May
New Brunswick, NJ

Average snowfall days in May - New Brunswick, NJ
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (5.4 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
New Brunswick, NJ

Average daylight in May / Average sunshine in May - New Brunswick, NJ
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 8.4h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

[Resources]

Average sunshine days in May
New Brunswick, NJ

Average sunshine days in May - New Brunswick, NJ
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (11.1 days).

[Resources]

Average UV index in May
New Brunswick, NJ

Average UV index in May - New Brunswick, NJ
  • Average UV index in May: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

[Resources]

Average cloud cover in May
New Brunswick, NJ

Average cloud cover in May - New Brunswick, NJ
  • Average cloud cover in May: 47

Months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 33).

[Resources]

Average visibility in May
New Brunswick, NJ

Average visibility in May - New Brunswick, NJ
  • Average visibility in May: 5mi

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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location