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
The start of May signals an increase in the average high-temperature, moving from a refreshing 61.7°F (16.5°C) in April to an agreeable 71.8°F (22.1°C). Throughout the month of May, Riverton witnesses an average temperature of 54.5°F (12.5°C).Humidity
In Riverton, the average relative humidity in May is 75%.Rainfall
In May, the rain falls for 17.3 days. Throughout May, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 153.8 rainfall days, and 30.94" (786mm) 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, Riverton aggregates 0.2" (5mm) of snow. Throughout the year, there are 16.8 snowfall days, and 8.5" (216mm) of snow is accumulated.Daylight
In Riverton, the average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 5:58 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 May, the average sunshine in Riverton is 8.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 6 in May interprets into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows in Riverton?
How many hours of daylight does Riverton have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Riverton have in May?
What is the month with the highest UV index in Riverton?
What is the UV index intensity in May?
Average temperature in May
Riverton, NJ
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in May
Riverton, 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 (29.93"Hg).
Average wind speed in May
Riverton, NJ
- Average wind speed in May: 6.8mph
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 (5.6mph).
Average humidity in May
Riverton, NJ
- Average humidity in May: 75%
The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).
Average rainfall in May
Riverton, NJ
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in May
Riverton, NJ
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in May
Riverton, NJ
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Riverton, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.2 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
Riverton, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Riverton, NJ
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in May
Riverton, 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, March, November and December (UV index 2).
Average cloud cover in May
Riverton, NJ
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Riverton, NJ
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Riverton, New Jersey, USA
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