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
May's arrival signals an increase in average high-temperatures, moving from April's enjoyable 61.9°F (16.6°C) to a pleasant 72.1°F (22.3°C). During May, Haddon Heights experiences an average low-temperature of 55°F (12.8°C) at night.Humidity
In Haddon Heights, the average relative humidity in May is 75%.Rainfall
In May, the rain falls for 13.7 days. Throughout May, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 121.5 rainfall days, and 12.44" (316mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Haddon Heights aggregates 0.16" (4mm) of snow. In Haddon Heights, during the entire year, snow falls for 10.3 days and aggregates up to 2.36" (60mm) of snow.Daylight
In May, the average length of the day in Haddon Heights is 14h and 24min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:22 pm EDT.
Sunshine
In Haddon Heights, the average sunshine in May is 8.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in Haddon Heights in May?
What is the last month it snows in Haddon Heights?
How many hours of daylight does Haddon Heights have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Haddon Heights have in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Haddon Heights, NJ
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 55°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 (25.5°F).
Average pressure in May
Haddon Heights, NJ
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Haddon Heights, NJ
- Average wind speed in May: 7mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Haddon Heights, NJ
- Average humidity in May: 75%
The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (70%).
Average rainfall in May
Haddon Heights, NJ
- Average rainfall in May: 1.26"
The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in May
Haddon Heights, NJ
- Average rainfall days in May: 13.7 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in May
Haddon Heights, NJ
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Haddon Heights, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Haddon Heights, NJ
- Average daylight in May: 14h and 2min
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 24min).
- Average sunshine in May: 8h and 3min
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 48min).
Average sunshine days in May
Haddon Heights, NJ
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (14 days).
Average UV index in May
Haddon Heights, NJ
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Haddon Heights, NJ
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in May
Haddon Heights, 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).
Haddon Heights, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location