May weather forecastDeerfield, OH
May
Weather in May
May, the last month of the spring in Deerfield, is a pleasant month, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 70.3°F (21.3°C).Temperature
May indicates a change in the average high-temperature, moving up from a refreshing 57.7°F (14.3°C) in April to an agreeable 70.3°F (21.3°C). During the month of May, the temperature falls to an average of 49.8°F (9.9°C).Humidity
April through August, with an average relative humidity of 78%, are the least humid months.Rainfall
In Deerfield, in May, it is raining for 19.8 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, there are 180 rainfall days, and 32.68" (830mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Deerfield aggregates 0.12" (3mm) of snow. Throughout the year, there are 73.4 snowfall days, and 27.36" (695mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 30min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:21 pm. On the last day of May, sunrise is at 5:54 am and sunset at 8:49 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Enhance your sun protection with tightly woven, yet airy clothing. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Deerfield, OH
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in May
Deerfield, OH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Deerfield, OH
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in May
Deerfield, OH
- Average humidity in May: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June, July and August (78%).
Average rainfall in May
Deerfield, OH
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in May
Deerfield, OH
- Average rainfall days in May: 19.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Deerfield, OH
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Deerfield, OH
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Deerfield, OH
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in May
Deerfield, OH
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is October (12.8 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in May
Deerfield, OH
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Deerfield, OH
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Deerfield, OH
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).





