May weather forecastJefferson Heights, NY
May
Weather in May
The last month of the spring, May, is a comfortable month in Jefferson Heights, New York, with an average temperature fluctuating between 66.9°F (19.4°C) and 46.9°F (8.3°C).Temperature
May's arrival coincides with a rise in the average high-temperature, moving from April's fresh 54.1°F (12.3°C) to a comfortable 66.9°F (19.4°C). Jefferson Heights experiences an average low-temperature of 46.9°F (8.3°C) in month of May.Humidity
The average relative humidity in May is 77%.Rainfall
In May, in Jefferson Heights, New York, the rain falls for 18 days. Throughout May, 3.31" (84mm) of precipitation is accumulated. In Jefferson Heights, during the entire year, the rain falls for 174.8 days and collects up to 33.46" (850mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.7 snowfall days, in May, Jefferson Heights aggregates 0.71" (18mm) of snow. In Jefferson Heights, during the entire year, snow falls for 70.1 days and aggregates up to 51.18" (1300mm) of snow.Daylight
In Jefferson Heights, the average length of the day in May is 14h and 36min.On the first day of May, sunrise is at 5:49 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:24 pm EDT.
Sunshine
In Jefferson Heights, the average sunshine in May is 8.8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Jefferson Heights, NY
- Average high temperature in May: 66.9°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in May
Jefferson Heights, NY
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Jefferson Heights, NY
- Average wind speed in May: 5.9mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Jefferson Heights, NY
- Average humidity in May: 77%
The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April, June and July (76%).
Average rainfall in May
Jefferson Heights, NY
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Jefferson Heights, NY
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (10 days).
Average snowfall in May
Jefferson Heights, NY
- Average snowfall in May: 0.71"
The month with the highest snowfall is February (11.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Jefferson Heights, NY
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jefferson Heights, NY
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 48min
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 18min).
Average sunshine days in May
Jefferson Heights, NY
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in May
Jefferson Heights, NY
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Jefferson Heights, NY
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Jefferson Heights, NY
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
