May weather forecastCharleston Springs, NJ
May
Weather in May
May, the last month of the spring in Charleston Springs, is an agreeable month, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 54°F (12.2°C).Temperature
May shows a rise in the average high-temperature, moving from April's moderate 59.5°F (15.3°C) to an agreeable 69.1°F (20.6°C). Charleston Springs experiences a consistent average temperature of 54°F (12.2°C) throughout the nights in May.Humidity
The average relative humidity in May is 78%.Rainfall
In May, the rain falls for 16.1 days. Throughout May, 2.76" (70mm) of precipitation is accumulated. In Charleston Springs, during the entire year, the rain falls for 154.3 days and collects up to 29.25" (743mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows in Charleston Springs. During 0.1 snowfall days, in May, Charleston Springs aggregates 0.12" (3mm) of snow. In Charleston Springs, during the entire year, snow falls for 18.9 days and aggregates up to 8.39" (213mm) of snow.Daylight
In Charleston Springs, the average length of the day in May is 14h and 25min.On the first day of May, sunrise is at 5:56 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:20 pm EDT.
Sunshine
In Charleston Springs, the average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 5 in May transforms into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Charleston Springs, NJ
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in May
Charleston Springs, 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
Charleston Springs, NJ
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Charleston Springs, NJ
- Average humidity in May: 78%
The months with the highest relative humidity are June and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Charleston Springs, NJ
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is July (3.5").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in May
Charleston Springs, NJ
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in May
Charleston Springs, NJ
- Average snowfall in May: 0.12"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Charleston Springs, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.3 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
Charleston Springs, NJ
- Average daylight in May: 14h and 24min
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 42min
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
Charleston Springs, NJ
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in May
Charleston Springs, NJ
- Average UV index in May: 5
The months with the highest UV index are 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
Charleston Springs, NJ
- Average cloud cover in May: 45
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in May
Charleston Springs, 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).





