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 refreshing 62.4°F (16.9°C) in April to an agreeable 71.8°F (22.1°C). The nighttime temperature, during May, averages of 53.2°F (11.8°C).Humidity
In May, the average relative humidity is 70%.Rainfall
The wettest months are May and June, with an average 1.26" (32mm) of rainfall.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Grafton. During 0.3 snowfall days, in May, Grafton aggregates 0.08" (2mm) of snow. In Grafton, during the entire year, snow falls for 17.2 days and aggregates up to 3.5" (89mm) of snow.Daylight
In May, the average length of the day in Grafton is 14h and 28min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:27 pm. On the last day of May, in Grafton, sunrise is at 6:02 am and sunset at 8:55 pm CDT.
Sunshine
The average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the usual temperature for Grafton in May?
What is the average humidity in May in Grafton?
What is the wettest month in Grafton?
How much does it rain in Grafton in May?
What is the last month it snows in Grafton?
What is the average length of the day in May in Grafton?
When is the sunrise / sunset in May in Grafton?
How many hours of sunshine does Grafton have in May?
What is the UV index intensity in May in Grafton?
Average temperature in May
Grafton, NE
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in May
Grafton, NE
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Grafton, NE
- Average wind speed in May: 10.1mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in May
Grafton, NE
- Average humidity in May: 70%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is October (62%).
Average rainfall in May
Grafton, NE
- Average rainfall in May: 1.26"
The wettest months (with the highest rainfall) are May and June (1.26").
The driest month (with the least rainfall) is February (0.2").
Average rainfall days in May
Grafton, NE
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is May (10.8 days).
The months with the least rainy days are January and February (1.9 days).
Average snowfall in May
Grafton, NE
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grafton, NE
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (5.1 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, NE
- Average daylight in May: 14h and 3min
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 18min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in May
Grafton, NE
- Average sunshine days in May: 17.3 days
The months with the most sunshine days are January and December (25.6 days).
The month with the least sunshine days is June (16.3 days).
Average UV index in May
Grafton, NE
- 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
Grafton, NE
- Average cloud cover in May: 40
The months with the most cloud cover are January and March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in May
Grafton, NE
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Grafton, Nebraska, USA
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