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
As West Caldwell transitions into May, the average high-temperature is observed to rise from a refreshing 58.5°F (14.7°C) in April to an agreeable 69.1°F (20.6°C). West Caldwell, during the month of May, experiences an average low-temperature of 51.8°F (11°C).Humidity
In May, the average relative humidity in West Caldwell is 76%.Rainfall
In West Caldwell, in May, during 17.6 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, in West Caldwell, there are 158 rainfall days, and 27.4" (696mm) of precipitation is accumulated.Snowfall
Months with snowfall in West Caldwell are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, West Caldwell aggregates 0.2" (5mm) of snow. In West Caldwell, during the entire year, snow falls for 24.3 days and aggregates up to 9.96" (253mm) of snow.Daylight
In May, the average length of the day is 14h and 29min.On the first day of the month, sunrise is at 5:54 am and sunset at 7:54 pm. On the last day of May, in West Caldwell, sunrise is at 5:27 am and sunset at 8:22 pm EDT.
Sunshine
In West Caldwell, the average sunshine in May is 8.4h.UV index
In May, the average daily maximum UV index in West Caldwell is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in West Caldwell?
What is the average humidity in May in West Caldwell?
How much does it rain in West Caldwell in May?
What is the last month it snows in West Caldwell?
What is the average length of the day in May in West Caldwell?
What time are sunrise and sunset in May in West Caldwell?
How many hours of sunshine does West Caldwell have in May?
How high is the UV index in May in West Caldwell?
Average temperature in May
West Caldwell, 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 (34.9°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in May
West Caldwell, 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
West Caldwell, NJ
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in May
West Caldwell, NJ
- Average humidity in May: 76%
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall in May
West Caldwell, NJ
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in May
West Caldwell, NJ
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in May
West Caldwell, NJ
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
West Caldwell, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (7 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
West Caldwell, NJ
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
West Caldwell, NJ
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in May
West Caldwell, 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
West Caldwell, NJ
- Average cloud cover in May: 47
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
West Caldwell, 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).
West Caldwell, New Jersey, USA
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