May weather forecastDefiance, OH
May
Weather in May
The last month of the spring, May, is an agreeable month in Defiance, Ohio, with an average temperature ranging between max 69.8°F (21°C) and min 52.5°F (11.4°C).Temperature
Defiance, Ohio, in May shows a temperature shift, moving from an average high of a refreshing 57.7°F (14.3°C) in April to a pleasant 69.8°F (21°C). In the month of May, Defiance records a consistent average low-temperature of 52.5°F (11.4°C).Humidity
In Defiance, the average relative humidity in May is 77%.Rainfall
In Defiance, during May, the rain falls for 19 days and regularly aggregates up to 3.23" (82mm) of precipitation. In Defiance, during the entire year, the rain falls for 160.2 days and collects up to 27.56" (700mm) of precipitation.Snowfall
Months with snowfall in Defiance are January through May, November and December. May is the last month it regularly snows in Defiance, Ohio. During 0.1 snowfall days, in May, Defiance aggregates 0.08" (2mm) of snow. Throughout the year, in Defiance, there are 45.7 snowfall days, and 13.74" (349mm) of snow is accumulated.Daylight
In Defiance, the average length of the day in May is 14h and 31min.On the first day of May in Defiance, sunrise is at 6:33 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 9:03 pm EDT.
Sunshine
In May, the average sunshine in Defiance, Ohio, is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 5 in May transforms into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. 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
Defiance, OH
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in May
Defiance, OH
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Defiance, OH
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in May
Defiance, OH
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Defiance, OH
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is April (3.35").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in May
Defiance, OH
- Average rainfall days in May: 19 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in May
Defiance, OH
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Defiance, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Defiance, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Defiance, OH
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in May
Defiance, 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
Defiance, OH
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Defiance, OH
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, August and September (5mi).





