Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As April transitions into May, De Graff sees a rise in the average high-temperature, moving from a mild 59.4°F (15.2°C) to a pleasant 70.3°F (21.3°C). May brings with it a nighttime average temperature of 53.6°F (12°C).Humidity
In May, the average relative humidity is 79%.Rainfall
In De Graff, in May, during 10 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in De Graff, there are 82.2 rainfall days, and 6.02" (153mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in De Graff, Ohio.Daylight
In May, the average length of the day in De Graff is 14h and 26min.On the first day of the month, sunrise is at 6:33 am and sunset at 8:31 pm. On the last day of May, sunrise is at 6:07 am and sunset at 8:59 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
In De Graff, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Direct Sun exposure should be minimized especially during midday when radiation is most intense. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in May in De Graff?
What is the average humidity in May in De Graff?
How many days does it rain in May in De Graff?
When it does not snow in De Graff?
Does it snow in De Graff in May?
What is the average length of the day in May in De Graff?
What time are sunrise and sunset in May in De Graff?
How many hours of sunshine does De Graff have in May?
What is the UV index reading in May in De Graff?
Average temperature in May
De Graff, OH
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in May: 53.6°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 (19.9°F).
Average pressure in May
De Graff, OH
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
De Graff, OH
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in May
De Graff, OH
- Average humidity in May: 79%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
De Graff, OH
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is June (0.75").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in May
De Graff, OH
- Average rainfall days in May: 10 days
The month with the highest number of rainy days is May (10 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in May
De Graff, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
De Graff, OH
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
De Graff, OH
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
De Graff, OH
- Average sunshine days in May: 17.5 days
The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is May (17.5 days).
Average UV index in May
De Graff, OH
- Average UV index in May: 5
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
De Graff, 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 August (Cloud cover 32).
Average visibility in May
De Graff, OH
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
De Graff, Ohio, USA
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