May weather forecast
Harrison, NJ

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Weather in May

May, the last month of the spring in Harrison, is an enjoyable month, with an average temperature ranging between min 53.8°F (12.1°C) and max 67.5°F (19.7°C).

Temperature

May's onset brings a temperature rise, moving from a refreshing 57°F (13.9°C) in April to an enjoyable 67.5°F (19.7°C). Harrison observes an average low-temperature of 53.8°F (12.1°C) during May.

Humidity

In Harrison, the average relative humidity in May is 74%.

Rainfall

In Harrison, in May, it is raining for 16.7 days, with typically 2.4" (61mm) of accumulated precipitation. In Harrison, during the entire year, the rain falls for 150.3 days and collects up to 27.72" (704mm) of precipitation.

Snowfall

In Harrison, snow does not fall in May through October.

Daylight

The average length of the day in May is 14h and 28min.
On the first day of the month, sunrise is at 5:54 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:21 pm EDT.

Sunshine

In Harrison, New Jersey, the average sunshine in May is 8.8h.

UV index

In May, the average daily maximum UV index in Harrison is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 5 in May translates into this advice:
Undertake protective steps - Preventing sun damage is advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Harrison in May?

The average high-temperature, in May, in Harrison, is 67.5°F (19.7°C), while the average low-temperature is 53.8°F (12.1°C).

What is the average humidity in May in Harrison?

In May, the average relative humidity in Harrison is 74%.

How much does it rain in Harrison in May?

In Harrison, New Jersey, in May, it is raining for 16.7 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in Harrison?

In Harrison, snow does not fall in May through October.

Does it snow in Harrison in May?

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

How many hours of daylight does Harrison have in May?

In Harrison, New Jersey, the average day length in May is 14h and 28min.

What time are sunrise and sunset in May in Harrison?

On the first day of May in Harrison, sunrise is at 5:54 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:21 pm EDT.

How many hours of sunshine does Harrison have in May?

The average sunshine duration in May in Harrison, New Jersey, is 8.8h.

What is the UV index intensity in May in Harrison?

In Harrison, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate 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
Harrison, NJ

Average temperature in May - Harrison, NJ
  • Average high temperature in May: 67.5°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in May: 53.8°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure in May
Harrison, NJ

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

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Harrison, NJ

Average wind speed in May - Harrison, NJ
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in May
Harrison, NJ

Average humidity in May - Harrison, NJ
  • Average humidity in May: 74%

The months with the highest relative humidity are February and December (75%).
The month with the lowest relative humidity is August (70%).

Average rainfall in May
Harrison, NJ

Average rainfall in May - Harrison, NJ
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and February (1.69").

Average rainfall days in May
Harrison, NJ

Average rainfall days in May - Harrison, NJ
  • Average rainfall days in May: 16.7 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in May
Harrison, NJ

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

The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Harrison, NJ

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

The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Harrison, 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 5min

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).

Average sunshine days in May
Harrison, NJ

Average sunshine days in May - Harrison, NJ
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12 days).

Average UV index in May
Harrison, NJ

Average UV index in May - Harrison, NJ
  • Average UV index in May: 5

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

Average cloud cover in May
Harrison, NJ

Average cloud cover in May - Harrison, NJ
  • Average cloud cover in May: 44

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in May
Harrison, NJ

Average visibility in May - Harrison, 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).

Harrison, New Jersey, USA

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