May weather forecastPreston Addition, OH
May
Weather in May
The last month of the spring, May, is a moderately hot month in Preston Addition, Ohio, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 75.2°F (24°C).Temperature
May's arrival is marked by an increase in the average high-temperature, moving from an enjoyable 64.9°F (18.3°C) in April to a moderately hot 75.2°F (24°C). The temperature lowers to an average of 54.3°F (12.4°C) during May nights.Humidity
In May, the average relative humidity in Preston Addition is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 3.19" (81mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Preston Addition, the average length of the day in May is 14h and 19min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:24 pm. On the last day of May, sunrise is at 6:08 am and sunset at 8:50 pm EDT.
Sunshine
In Preston Addition, the average sunshine in May is 9.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Preston Addition, OH
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Preston Addition, OH
- Average pressure in May: 30"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Preston Addition, OH
- Average wind speed in May: 6mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Preston Addition, OH
- Average humidity in May: 78%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in May
Preston Addition, OH
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Preston Addition, OH
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in May
Preston Addition, OH
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Preston Addition, OH
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Preston Addition, OH
- Average daylight in May: 14h and 18min
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: 9h and 6min
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 54min).
Average sunshine days in May
Preston Addition, OH
- Average sunshine days in May: 10.2 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (10 days).
Average UV index in May
Preston Addition, OH
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Preston Addition, OH
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Preston Addition, OH
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).





