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
Willow Island's weather in May shows a minor rise in the average high-temperature, moving slightly up from April's moderate 60.4°F (15.8°C) to an agreeable 69.3°F (20.7°C). Willow Island encounters an average low-temperature of 50°F (10°C) during May nights.Humidity
In May, the average relative humidity is 66%.Rainfall
May is the month with the most rainfall. Rain falls for 16.7 days and accumulates 2.83" (72mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Willow Island aggregates 0.2" (5mm) of snow. Throughout the year, there are 29.8 snowfall days, and 13.15" (334mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 29min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:37 pm. On the last day of May, sunrise is at 6:10 am and sunset at 9:05 pm CDT.
Sunshine
In May, the average sunshine is 9.5h.UV index
In Willow Island, Nebraska, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Willow Island?
What is the average humidity in May in Willow Island?
What is the rainiest month?
How many days does it rain in May in Willow Island?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Willow Island have in May?
What is the UV index reading in May?
Average temperature in May
Willow Island, NE
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in May
Willow Island, NE
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Willow Island, NE
- Average wind speed in May: 10.7mph
The windiest month (with the highest average wind speed) is April (12.3mph).
The calmest month (with the lowest average wind speed) is July (9.2mph).
Average humidity in May
Willow Island, NE
- Average humidity in May: 66%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is October (58%).
Average rainfall in May
Willow Island, NE
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in May
Willow Island, NE
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Willow Island, NE
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Willow Island, NE
- Average snowfall days in May: 0.3 days
The months with the highest number of snowfall days are February and December (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Willow Island, NE
- 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: 9h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in May
Willow Island, NE
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in May
Willow Island, 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
Willow Island, NE
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 22).
Average visibility in May
Willow Island, 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).
Willow Island, Nebraska, USA
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