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
May's onset brings a rise in the average high-temperature, moving from a fresh 53.2°F (11.8°C) in April to a refreshing 64.6°F (18.1°C). Grafton throughout May, records an average low-temperature of 50.5°F (10.3°C).Humidity
In Grafton, the average relative humidity in May is 79%.Rainfall
In Grafton, in May, during 17.5 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. In Grafton, during the entire year, the rain falls for 163.6 days and collects up to 29.88" (759mm) of precipitation.Snowfall
Months with snowfall in Grafton are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Grafton aggregates 0.08" (2mm) of snow. In Grafton, during the entire year, snow falls for 53.7 days and aggregates up to 14.37" (365mm) of snow.Daylight
The average length of the day in May in Grafton is 14h and 31min.On the first day of May, sunrise is at 6:24 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:54 pm EDT.
Sunshine
In May, the average sunshine in Grafton, Ohio, is 8.9h.UV index
The average daily maximum UV index in May in Grafton is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What are the temperatures in Grafton in May?
What is the average humidity in May in Grafton?
How many days does it rain in May in Grafton?
What is the last month it snows in Grafton?
What is the average length of the day in May in Grafton?
When are sunrise and sunset in May in Grafton?
How long on average sun shines in May in Grafton?
What is the UV index reading in May in Grafton?
Average temperature in May
Grafton, OH
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in May
Grafton, 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
Grafton, OH
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
Grafton, OH
- Average humidity in May: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Grafton, OH
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are February and December (1.81").
Average rainfall days in May
Grafton, OH
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in May
Grafton, OH
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grafton, OH
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grafton, OH
- Average daylight in May: 14h and 3min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Grafton, OH
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is October (13.6 days).
The months with the least sunshine days are January and February (9 days).
Average UV index in May
Grafton, OH
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Grafton, OH
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in May
Grafton, 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).
Grafton, Ohio, USA
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