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
In May, the average high-temperature increases from a mild 58.3°F (14.6°C) in April to a pleasant 69.6°F (20.9°C). During the May nights, an average temperature of 52.7°F (11.5°C) is observed.Humidity
The average relative humidity in May in Old Tappan, New Jersey, is 73%.Rainfall
In May, the rain falls for 16.8 days. Throughout May, 2.68" (68mm) of precipitation is accumulated. Throughout the year, in Old Tappan, New Jersey, there are 153.9 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Old Tappan.Daylight
The average length of the day in May in Old Tappan is 14h and 29min.On the first day of May in Old Tappan, sunrise is at 5:52 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine in Old Tappan is 8.4h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 in May translates into these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What is the temperature in May in Old Tappan?
What is the average humidity in May in Old Tappan?
How much does it rain in Old Tappan in May?
When it does not snow in Old Tappan?
Does it snow in Old Tappan in May?
What is the average length of the day in May in Old Tappan?
When is the sunrise / sunset in May in Old Tappan?
How many hours of sunshine does Old Tappan have in May?
What is the UV index reading in May in Old Tappan?
Average temperature in May
Old Tappan, NJ
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in May
Old Tappan, NJ
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Old Tappan, NJ
- Average wind speed in May: 6.7mph
The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in May
Old Tappan, NJ
- Average humidity in May: 73%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (68%).
Average rainfall in May
Old Tappan, NJ
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Old Tappan, NJ
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in May
Old Tappan, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Old Tappan, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.9 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
Old Tappan, 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
Old Tappan, NJ
- Average sunshine days in May: 12.9 days
The months with the most sunshine days are January and November (18.1 days).
The months with the least sunshine days are April and June (12.7 days).
Average UV index in May
Old Tappan, 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
Old Tappan, NJ
- Average cloud cover in May: 47
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Old Tappan, NJ
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Old Tappan, New Jersey, USA
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