May weather forecastTappan, NY
May
Weather in May
The last month of the spring, May, is a pleasant month in Tappan, New York, with an average temperature fluctuating between 69.6°F (20.9°C) and 52.7°F (11.5°C).Temperature
With the beginning of May, Tappan's average high-temperature sees an increase, transitioning from a refreshing 58.3°F (14.6°C) in April to an agreeable 69.6°F (20.9°C). May nights are marked by an average low-temperature of 52.7°F (11.5°C).Humidity
The average relative humidity in May is 73%.Rainfall
In May, the rain falls for 16.8 days. Throughout May, 2.68" (68mm) of precipitation is accumulated. In Tappan, during the entire year, the rain falls for 153.9 days and collects up to 30.75" (781mm) of precipitation.Snowfall
In Tappan, snow does not fall in May through October.Daylight
In Tappan, the average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 5:52 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:21 pm EDT.
Sunshine
In Tappan, the average sunshine in May is 8.4h.UV index
In Tappan, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 5 in May transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Tappan, NY
- 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
Tappan, NY
- 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
Tappan, NY
- 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
Tappan, NY
- 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
Tappan, NY
- 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
Tappan, NY
- 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
Tappan, NY
- 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
Tappan, NY
- 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
Tappan, NY
- 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 24min
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
Tappan, NY
- 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
Tappan, NY
- 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
Tappan, NY
- 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
Tappan, NY
- 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).
