May weather forecastWilmington, OH
May
Weather in May
The last month of the spring, May, is a pleasant month in Wilmington, Ohio, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 71.4°F (21.9°C).Temperature
The start of May is characterized by an increase in the average high-temperature, transitioning from a comfortable 61.5°F (16.4°C) in April to an agreeable 71.4°F (21.9°C). During the nights in May, an average low-temperature of 55°F (12.8°C) is observed.Humidity
The average relative humidity in May in Wilmington is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 20.5 days and accumulates 3.98" (101mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Wilmington aggregates 0.04" (1mm) of snow. In Wilmington, during the entire year, snow falls for 41.5 days and aggregates up to 14.92" (379mm) of snow.Daylight
In Wilmington, the average length of the day in May is 14h and 22min.On the first day of May, sunrise is at 6:35 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:56 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In Wilmington, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Wilmington, OH
- Average high temperature in May: 71.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in May
Wilmington, OH
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Wilmington, OH
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Wilmington, 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
Wilmington, OH
- Average rainfall in May: 3.98"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Wilmington, OH
- Average rainfall days in May: 20.5 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9 days).
Average snowfall in May
Wilmington, OH
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Wilmington, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Wilmington, 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 24min).
- Average sunshine in May: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Wilmington, OH
- Average sunshine days in May: 8.7 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is May (8.7 days).
Average UV index in May
Wilmington, OH
- Average UV index in May: 5
The months with the highest UV index are 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
Wilmington, OH
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Wilmington, OH
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
