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
An escalation in the average high-temperature is seen with the onset of May, moving from a fresh 51.3°F (10.7°C) in April to a refreshing 63.5°F (17.5°C). South Dayton's nights in May cool down to an average low-temperature of 46.9°F (8.3°C).Humidity
In South Dayton, the average relative humidity in May is 81%.Rainfall
May is the month with the most rainfall in South Dayton, New York. Rain falls for 20.3 days and accumulates 3.62" (92mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1 snowfall days, in May, South Dayton aggregates 0.28" (7mm) of snow. Throughout the year, there are 59.1 snowfall days, and 27.6" (701mm) of snow is accumulated.Daylight
In South Dayton, the average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 6:10 am and sunset at 8:16 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:46 pm EDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 4 in May transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take precaution! The reflection from snow can almost double the UV radiation of 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 average humidity in May in South Dayton?
What is the rainiest month?
How many days 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 in South Dayton?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
South Dayton, NY
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is July (75.9°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 (59.9°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
South 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
South Dayton, NY
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
South Dayton, NY
- Average humidity in May: 81%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is September (80%).
Average rainfall in May
South Dayton, NY
- Average rainfall in May: 3.62"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in May
South Dayton, NY
- Average rainfall days in May: 20.3 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in May
South Dayton, NY
- Average snowfall in May: 0.28"
The month with the highest snowfall is November (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Dayton, NY
- Average snowfall days in May: 1 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
South 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
South Dayton, NY
- Average sunshine days in May: 8.4 days
The month with the most sunshine days is March (14 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in May
South Dayton, NY
- Average UV index in May: 4
The months with the highest UV index are 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
South Dayton, NY
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
South Dayton, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).