May weather forecast
West Caldwell, NJ

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Weather in May

May, the last month of the spring in West Caldwell, is a pleasant month, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 51.8°F (11°C).

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.
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Frequently asked questions

What are May temperatures in West Caldwell?

West Caldwell in May has an average high-temperature of 69.1°F (20.6°C) and an average low-temperature of 51.8°F (11°C).

What is the average humidity in May in West Caldwell?

The average relative humidity in May in West Caldwell is 76%.

How much does it rain in West Caldwell in May?

In West Caldwell, in May, it is raining for 17.6 days, with typically 2.8" (71mm) of accumulated precipitation.

What is the last month it snows in West Caldwell?

May is the last month it regularly snows in West Caldwell, New Jersey. During 0.1 snowfall days, in May, West Caldwell aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in West Caldwell?

In West Caldwell, New Jersey, the average day length in May is 14h and 29min.

What time are sunrise and sunset in May in West Caldwell?

In May, on the first day of the month, sunrise is at 5:54 am and sunset at 7:54 pm. On the last day of the month, in West Caldwell, New Jersey, sunrise is at 5:27 am and sunset at 8:22 pm EDT.

How many hours of sunshine does West Caldwell have in May?

The average sunshine duration in May is 8.4h.

How high is the UV index in May in West Caldwell?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
West Caldwell, NJ

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).

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Average pressure in May
West Caldwell, NJ

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).

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Average wind speed in May
West Caldwell, NJ

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).

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Average humidity in May
West Caldwell, NJ

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%).

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Average rainfall in May
West Caldwell, NJ

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").

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Average rainfall days in May
West Caldwell, NJ

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).

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Average snowfall in May
West Caldwell, NJ

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").

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Average snowfall days in May
West Caldwell, NJ

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).

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Average daylight in May /
Average sunshine in May
West Caldwell, NJ

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).

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Average sunshine days in May
West Caldwell, NJ

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).

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Average UV index in May
West Caldwell, NJ

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).

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Average cloud cover in May
West Caldwell, NJ

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).

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Average visibility in May
West Caldwell, NJ

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).

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West Caldwell, New Jersey, USA

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