May weather forecastCedar Grove, NJ
May
Weather in May
May, the last month of the spring in Cedar Grove, is a pleasant month, with an average temperature fluctuating between 69.3°F (20.7°C) and 52.7°F (11.5°C).Temperature
May's arrival is marked by an increase in the average high-temperature, moving from a moderate 58.5°F (14.7°C) in April to a pleasant 69.3°F (20.7°C). Cedar Grove's May nights cool down to an average low-temperature of 52.7°F (11.5°C).Humidity
In May, the average relative humidity is 75%.Rainfall
In Cedar Grove, in May, during 16.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Cedar Grove, during the entire year, the rain falls for 153.3 days and collects up to 24.92" (633mm) of precipitation.Snowfall
In Cedar Grove, snow does not fall in May through October.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 7:53 pm. On the last day of May, in Cedar Grove, New Jersey, sunrise is at 5:27 am and sunset at 8:21 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May in Cedar Grove is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cedar Grove, NJ
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in May
Cedar Grove, 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 Grove, NJ
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in May
Cedar Grove, NJ
- Average humidity in May: 75%
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall in May
Cedar Grove, NJ
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in May
Cedar Grove, NJ
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in May
Cedar Grove, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is March (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Cedar Grove, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Cedar Grove, NJ
- Average daylight in May: 14h and 30min
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 36min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Cedar Grove, NJ
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in May
Cedar Grove, 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 Grove, NJ
- Average cloud cover in May: 45
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Cedar Grove, 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).





