May weather forecastLeonia, NJ
May
Weather in May
The last month of the spring, May, is an agreeable month in Leonia, New Jersey, with an average temperature varying between 69.4°F (20.8°C) and 53.2°F (11.8°C).Temperature
The start of May brings a shift in the average high-temperature, increasing from April's refreshing 58.6°F (14.8°C) to an agreeable 69.4°F (20.8°C). Leonia experiences an average temperature drop to a fresh 53.2°F (11.8°C) during May nights.Humidity
In Leonia, the average relative humidity in May is 74%.Rainfall
In Leonia, in May, during 16.1 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 159.3 rainfall days, and 31.34" (796mm) of precipitation is accumulated.Snowfall
In Leonia, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 5:53 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:20 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Undertake protective steps - Preventing sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Leonia, NJ
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in May: 53.2°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 (24.3°F).
Average pressure in May
Leonia, 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
Leonia, NJ
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in May
Leonia, NJ
- Average humidity in May: 74%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (69%).
Average rainfall in May
Leonia, NJ
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in May
Leonia, NJ
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Leonia, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Leonia, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (7.4 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
Leonia, 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 30min
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).
Average sunshine days in May
Leonia, NJ
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in May
Leonia, 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
Leonia, NJ
- Average cloud cover in May: 46
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Leonia, 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).





