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
Weather in May
Temperature
The start of May signals an increase in the average high-temperature, moving from a fresh 51.8°F (11°C) in April to a comfortable 64.8°F (18.2°C). Dayton experiences an average low-temperature of 46.9°F (8.3°C) in the month of May.Humidity
The months with the lowest humidity are April, May, August and September, with an average relative humidity of 80%.Rainfall
In Dayton, in May, during 15.3 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Dayton, during the entire year, the rain falls for 148.9 days and collects up to 18.35" (466mm) 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, Dayton aggregates 0.08" (2mm) of snow. Throughout the year, there are 68.9 snowfall days, and 16.26" (413mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 6:09 am and sunset at 8:16 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:45 pm EDT.
Sunshine
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 unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 5 in May transforms into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the least humid month?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Dayton have in May?
What is the month with the highest UV index?
How high is the UV index in May in Dayton?
Average temperature in May
Dayton, NY
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in May
Dayton, NY
- Average pressure in May: 29.99"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
Dayton, NY
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in May
Dayton, NY
- Average humidity in May: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, August and September (80%).
Average rainfall in May
Dayton, NY
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is July (1.93").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in May
Dayton, NY
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is October (16.6 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in May
Dayton, NY
- Average snowfall in May: 0.08"
The months with the highest snowfall are January and December (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Dayton, NY
- Average snowfall days in May: 0.7 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
Dayton, NY
- Average daylight in May: 14h and 4min
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 6min).
- Average sunshine in May: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in May
Dayton, NY
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is January (8.2 days).
Average UV index in May
Dayton, 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 and December (UV index 1).
Average cloud cover in May
Dayton, NY
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Dayton, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Dayton, New York, USA
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