May weather forecastDeerfield, NJ
May
Weather in May
May, the last month of the spring in Deerfield, is an agreeable month, with an average temperature ranging between min 55.8°F (13.2°C) and max 70.9°F (21.6°C).Temperature
The arrival of May signals an increase in the average high-temperature, moving from a refreshing 61.2°F (16.2°C) in April to an agreeable 70.9°F (21.6°C). An average minimum temperature of 55.8°F (13.2°C) marks the month of May in Deerfield.Humidity
The months with the highest humidity are May and June, with an average relative humidity of 79%.Rainfall
In Deerfield, New Jersey, in May, it is raining for 10.8 days, with typically 0.71" (18mm) of accumulated precipitation. In Deerfield, during the entire year, the rain falls for 105.4 days and collects up to 8.03" (204mm) of precipitation.Snowfall
In Deerfield, New Jersey, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 22min.On the first day of the month, sunrise is at 6:00 am and sunset at 7:54 pm. On the last day of May, in Deerfield, New Jersey, sunrise is at 5:35 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine in Deerfield is 8.8h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Deerfield. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 6 suggests this advice:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Deerfield, NJ
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in May: 55.8°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in May
Deerfield, NJ
- Average pressure in May: 30.02"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
Deerfield, NJ
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in May
Deerfield, NJ
- Average humidity in May: 79%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Deerfield, NJ
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is August (0.94").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in May
Deerfield, NJ
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (5.1 days).
Average snowfall in May
Deerfield, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Deerfield, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.4 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
Deerfield, NJ
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
Deerfield, NJ
- Average sunshine days in May: 17.3 days
The month with the most sunshine days is November (23.1 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in May
Deerfield, 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 and December (UV index 2).
Average cloud cover in May
Deerfield, NJ
- Average cloud cover in May: 44
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in May
Deerfield, 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).
