Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Belleville's May weather brings a rise in high-temperatures, moving from a refreshing 57.9°F (14.4°C) in April to a pleasant 68.5°F (20.3°C). During May, Belleville experiences an average low-temperature of 53.1°F (11.7°C) at night.Humidity
In Belleville, the average relative humidity in May is 75%.Rainfall
In Belleville, during May, the rain falls for 16.4 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Belleville, New Jersey, during the entire year, the rain falls for 162.3 days and collects up to 31.14" (791mm) of precipitation.Snowfall
May through October are months without snowfall in Belleville.Daylight
The average length of the day in May in Belleville, New Jersey, is 14h and 28min.On the first day of May in Belleville, New Jersey, sunrise is at 5:53 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.
Sunshine
The average sunshine in May is 8.8h.UV index
In Belleville, New Jersey, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Belleville?
What is the average humidity in May in Belleville?
How many days does it rain in May in Belleville?
When it does not snow in Belleville?
Does it snow in Belleville in May?
What is the average length of the day in May in Belleville?
When are sunrise and sunset in May in Belleville?
How long on average sun shines in May in Belleville?
What is the UV index intensity in May in Belleville?
Average temperature in May
Belleville, NJ
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in May
Belleville, 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).
Average wind speed in May
Belleville, NJ
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in May
Belleville, NJ
- Average humidity in May: 75%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).
Average rainfall in May
Belleville, NJ
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Belleville, NJ
- Average rainfall days in May: 16.4 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in May
Belleville, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Belleville, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.9 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
Belleville, NJ
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Belleville, NJ
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in May
Belleville, 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
Belleville, 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 30).
Average visibility in May
Belleville, 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).
Belleville, New Jersey, USA
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