May weather forecastPort Jervis, NY
May
Weather in May
The last month of the spring, May, is a pleasant month in Port Jervis, New York, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 68.2°F (20.1°C).Temperature
The transition from April to May brings a temperature rise, with average high-temperatures increasing from a refreshing 55.9°F (13.3°C) to an agreeable 68.2°F (20.1°C). An average low-temperature of 48°F (8.9°C) is common in Port Jervis during the nights of May.Humidity
In May, the average relative humidity is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 16.7 days and accumulates 2.36" (60mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Port Jervis aggregates 0.16" (4mm) of snow. Throughout the year, there are 36.1 snowfall days, and 9.8" (249mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 32min.On the first day of May, sunrise is at 5:54 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:25 pm EDT.
Sunshine
The average sunshine in May is 8.2h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Port Jervis, NY
- Average high temperature in May: 68.2°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in May: 48°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Port Jervis, NY
- 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
Port Jervis, NY
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Port Jervis, NY
- Average humidity in May: 79%
The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in May
Port Jervis, NY
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in May
Port Jervis, NY
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is May (16.7 days).
The months with the least rainy days are January and February (8.6 days).
Average snowfall in May
Port Jervis, NY
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Port Jervis, NY
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Port Jervis, 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 12min).
- Average sunshine in May: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Port Jervis, NY
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is October (17.4 days).
The months with the least sunshine days are April and May (11.8 days).
Average UV index in May
Port Jervis, NY
- Average UV index in May: 5
The month with the highest UV index is June (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
Port Jervis, NY
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in May
Port Jervis, NY
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).





