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
With the onset of May, Cedar Knolls's average high-temperature sees a rise, moving from April's refreshing 58.3°F (14.6°C) to an agreeable 68.9°F (20.5°C). In May, Cedar Knolls encounters an average low-temperature of 51.3°F (10.7°C) during the night.Humidity
The average relative humidity in May in Cedar Knolls is 77%.Rainfall
In Cedar Knolls, during May, the rain falls for 18.3 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Cedar Knolls, during the entire year, the rain falls for 157.9 days and collects up to 27.05" (687mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Cedar Knolls aggregates 0.2" (5mm) of snow. In Cedar Knolls, during the entire year, snow falls for 24 days and aggregates up to 9.72" (247mm) of snow.Daylight
In Cedar Knolls, the average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 5:55 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:22 pm EDT.
Sunshine
In Cedar Knolls, the average sunshine in May is 8.4h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Cedar Knolls have in May?
What time are sunrise and sunset in May in Cedar Knolls?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Cedar Knolls, NJ
- Average high temperature in May: 68.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in May: 51.3°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Cedar Knolls, 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
Cedar Knolls, NJ
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Cedar Knolls, NJ
- Average humidity in May: 77%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Cedar Knolls, NJ
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is July (3.19").
The driest months (with the least rainfall) are January, February and September (1.57").
Average rainfall days in May
Cedar Knolls, NJ
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Cedar Knolls, NJ
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (3.7").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Cedar Knolls, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6.8 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
Cedar Knolls, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Cedar Knolls, NJ
- Average sunshine days in May: 11 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in May
Cedar Knolls, 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
Cedar Knolls, NJ
- Average cloud cover in May: 48
The months with the most cloud cover are February, March and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in May
Cedar Knolls, NJ
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, July, August, October, November and December (6mi).
The months with the lowest visibility are May, June and September (5mi).
Cedar Knolls, New Jersey, USA
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