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 sees a rise in the average high-temperature, climbing from a moderate 60.3°F (15.7°C) in April to a pleasant 70.3°F (21.3°C). In the month of May, Rileyville experiences an average low-temperature of 52.9°F (11.6°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Rileyville, New Jersey, in May, it is raining for 11 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, in Rileyville, there are 107.3 rainfall days, and 8.82" (224mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Rileyville, New Jersey. May is the last month it regularly snows in Rileyville. During 0.1 snowfall days, in May, Rileyville aggregates 0.2" (5mm) of snow. Throughout the year, in Rileyville, there are 15.5 snowfall days, and 2.76" (70mm) of snow is accumulated.Daylight
In Rileyville, the average length of the day in May is 14h and 26min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:55 pm. On the last day of May, in Rileyville, New Jersey, sunrise is at 5:31 am and sunset at 8:22 pm EDT.
Sunshine
In Rileyville, New Jersey, the average sunshine in May is 8.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Rileyville?
What is the average humidity in May in Rileyville?
How many days does it rain in May in Rileyville?
What is the last month it snows in Rileyville?
What is the average length of the day in May in Rileyville?
What time are sunrise and sunset in May in Rileyville?
How many hours of sunshine does Rileyville have in May?
When is the highest UV index in Rileyville?
How high is the UV index in May in Rileyville?
Average temperature in May
Rileyville, NJ
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in May: 52.9°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in May
Rileyville, 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
Rileyville, NJ
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Rileyville, NJ
- Average humidity in May: 78%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Rileyville, NJ
- Average rainfall in May: 0.83"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in May
Rileyville, NJ
- Average rainfall days in May: 11 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in May
Rileyville, NJ
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (0.75").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Rileyville, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rileyville, 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 18min).
- Average sunshine in May: 8h and 4min
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
Rileyville, NJ
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in May
Rileyville, 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
Rileyville, NJ
- Average cloud cover in May: 46
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
Rileyville, NJ
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Rileyville, New Jersey, USA
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