May weather forecastBelvidere, NJ
May
Weather in May
The last month of the spring, May, is an agreeable month in Belvidere, New Jersey, with an average temperature ranging between max 69.4°F (20.8°C) and min 50.4°F (10.2°C).Temperature
May brings a temperature increase, with average high-temperatures moving from April's mild 58.1°F (14.5°C) to a pleasant 69.4°F (20.8°C). Belvidere experiences a mean temperature of 50.4°F (10.2°C) during May nights.Humidity
In May, the average relative humidity is 79%.Rainfall
In May, the rain falls for 16.5 days. Throughout May, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 157.6 rainfall days, and 28.7" (729mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Belvidere aggregates 0.51" (13mm) of snow. In Belvidere, during the entire year, snow falls for 30.4 days and aggregates up to 14.76" (375mm) of snow.Daylight
In Belvidere, the average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 5:57 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:25 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
In Belvidere, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Belvidere, NJ
- Average high temperature in May: 69.4°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 (34°F).
- Average low temperature in May: 50.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Belvidere, 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
Belvidere, NJ
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Belvidere, NJ
- Average humidity in May: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Belvidere, NJ
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Belvidere, NJ
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in May
Belvidere, NJ
- Average snowfall in May: 0.51"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Belvidere, NJ
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Belvidere, NJ
- Average daylight in May: 14h and 30min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Belvidere, NJ
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in May
Belvidere, NJ
- Average UV index in May: 5
The months with the highest UV index are June and July (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
Belvidere, NJ
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Belvidere, NJ
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





