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
Caldwell's May weather brings a rise in high-temperatures, moving from a refreshing 58.5°F (14.7°C) in April to a pleasant 69.1°F (20.6°C). An average low-temperature of 51.8°F (11°C) is recorded in the month of May.Humidity
In Caldwell, the average relative humidity in May is 76%.Rainfall
In Caldwell, in May, during 17.6 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Caldwell, during the entire year, the rain falls for 158 days and collects up to 27.4" (696mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Caldwell. May is the last month it regularly snows. During 0.1 snowfall days, in May, Caldwell aggregates 0.2" (5mm) of snow. Throughout the year, there are 24.3 snowfall days, and 9.96" (253mm) of snow is accumulated.Daylight
In Caldwell, the average length of the day in May is 14h and 29min.On the first day of the month, sunrise is at 5:54 am and sunset at 7:53 pm. On the last day of May, in Caldwell, New Jersey, sunrise is at 5:27 am and sunset at 8:22 pm EDT.
Sunshine
The average sunshine in May in Caldwell, New Jersey, is 8.4h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Caldwell?
What is the average humidity in May in Caldwell?
How much does it rain in Caldwell in May?
What is the last month it snows in Caldwell?
What is the average length of the day in May in Caldwell?
When are sunrise and sunset in May in Caldwell?
How long on average sun shines in May in Caldwell?
What is the UV index intensity in May in Caldwell?
Average temperature in May
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
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
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
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
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
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
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
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
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
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
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
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
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).
Caldwell, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location