May weather forecastClarks Mill, NJ
May
Weather in May
The last month of the spring, May, is a comfortable month in Clarks Mill, New Jersey, with an average temperature ranging between max 67.6°F (19.8°C) and min 55.9°F (13.3°C).Temperature
With the beginning of May, Clarks Mill's average high-temperature sees an increase, transitioning from a refreshing 58.6°F (14.8°C) in April to a comfortable 67.6°F (19.8°C). May nights in Clarks Mill experience a consistent temperature drop to a moderate 55.9°F (13.3°C).Humidity
May and June, with an average relative humidity of 79%, are the most humid months.Rainfall
In May, the rain falls for 15 days. Throughout May, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 144.2 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
In Clarks Mill, snow does not fall in May through October.Daylight
In Clarks Mill, the average length of the day in May is 14h and 22min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:52 pm. On the last day of May, in Clarks Mill, sunrise is at 5:32 am and sunset at 8:18 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In May, an average UV index of 6 transforms into the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Clarks Mill, NJ
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in May
Clarks Mill, NJ
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Clarks Mill, NJ
- Average wind speed in May: 8.8mph
The windiest months (with the highest average wind speed) are January and February (10.6mph).
The calmest month (with the lowest average wind speed) is August (7.2mph).
Average humidity in May
Clarks Mill, 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 (73%).
Average rainfall in May
Clarks Mill, NJ
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is August (2.91").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in May
Clarks Mill, NJ
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is July (16.1 days).
The months with the least rainy days are January and November (8.3 days).
Average snowfall in May
Clarks Mill, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Clarks Mill, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.8 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
Clarks Mill, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Clarks Mill, NJ
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in May
Clarks Mill, 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
Clarks Mill, NJ
- Average cloud cover in May: 42
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Clarks Mill, 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).





