May weather forecastKnowlesville, NY
May
Weather in May
May, the last month of the spring in Knowlesville, is a comfortable month, with an average temperature fluctuating between 47.8°F (8.8°C) and 61.7°F (16.5°C).Temperature
An increase in the average high-temperature marks May, moving from April's chilly 49.8°F (9.9°C) to an enjoyable 61.7°F (16.5°C). In May, Knowlesville records an average nighttime temperature of 47.8°F (8.8°C).Humidity
In Knowlesville, the average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 17.1 days and accumulates 2.83" (72mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Knowlesville aggregates 0.2" (5mm) of snow. In Knowlesville, during the entire year, snow falls for 71.3 days and aggregates up to 25.12" (638mm) of snow.Daylight
In May, the average length of the day is 14h and 42min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:15 pm. On the last day of May, sunrise is at 5:36 am and sunset at 8:46 pm EDT.
Sunshine
In Knowlesville, the average sunshine in May is 9.2h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 4 in May leads to these guidelines:
Adopt protective measures - It is advised to guard against sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Knowlesville, NY
- Average high temperature in May: 61.7°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in May
Knowlesville, NY
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Knowlesville, NY
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in May
Knowlesville, NY
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is September (75%).
Average rainfall in May
Knowlesville, NY
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in May
Knowlesville, NY
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is October (17.6 days).
The month with the least rainy days is February (8 days).
Average snowfall in May
Knowlesville, NY
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Knowlesville, NY
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Knowlesville, NY
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in May
Knowlesville, NY
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is February (6 days).
Average UV index in May
Knowlesville, NY
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Knowlesville, NY
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Knowlesville, NY
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
