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
May
Weather in May
Temperature
The arrival of May brings an increase in high-temperatures, moving from a fresh 50°F (10°C) in April to a refreshing 61.7°F (16.5°C). Throughout May, the nighttime temperature averages to a frosty 48°F (8.9°C).Humidity
In May, the average relative humidity is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 15.8 days and accumulates 2.72" (69mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Clarkson aggregates 0.39" (10mm) of snow. Throughout the year, there are 67.2 snowfall days, and 21.97" (558mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 42min.On the first day of the month, sunrise is at 6:03 am and sunset at 8:13 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:44 pm EDT.
Sunshine
The average sunshine in May is 9.4h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In May, a daily UV index of 4 turns into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in May?
What is the last month it snows in Clarkson?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Clarkson have in May?
What is the UV index intensity in May?
Average temperature in May
Clarkson, NY
- Average high temperature in May: 61.7°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 48°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in May
Clarkson, 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
Clarkson, NY
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in May
Clarkson, NY
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (76%).
Average rainfall in May
Clarkson, NY
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in May
Clarkson, NY
- Average rainfall days in May: 15.8 days
The months with the highest number of rainy days are August and October (17.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in May
Clarkson, NY
- Average snowfall in May: 0.39"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Clarkson, NY
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Clarkson, NY
- Average daylight in May: 14h and 4min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in May
Clarkson, NY
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is January (6.9 days).
Average UV index in May
Clarkson, 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
Clarkson, NY
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in May
Clarkson, 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).