May weather forecastGreenfield, OH
May
Weather in May
The last month of the spring, May, is an agreeable month in Greenfield, Ohio, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 54.9°F (12.7°C).Temperature
Greenfield sees an increase in average high-temperatures during May, moving from an enjoyable 62.2°F (16.8°C) in April to an agreeable 72.1°F (22.3°C). During May, Greenfield observes a consistent average nighttime temperature of 54.9°F (12.7°C).Humidity
In May, the average relative humidity is 80%.Rainfall
May is the month with the most rainfall in Greenfield, Ohio. Rain falls for 15.2 days and accumulates 1.73" (44mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day in Greenfield, Ohio, is 14h and 21min.On the first day of May in Greenfield, sunrise is at 6:33 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:53 pm EDT.
Sunshine
In May, the average sunshine in Greenfield is 8.9h.UV index
In Greenfield, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat. 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
Average temperature in May
Greenfield, OH
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Greenfield, OH
- Average pressure in May: 29.99"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Greenfield, OH
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Greenfield, OH
- Average humidity in May: 80%
The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in May
Greenfield, OH
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in May
Greenfield, OH
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in May
Greenfield, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Greenfield, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Greenfield, OH
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Greenfield, OH
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12 days).
Average UV index in May
Greenfield, OH
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Greenfield, OH
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Greenfield, OH
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
