May weather forecastArion, IA
May
Weather in May
The last month of the spring, May, is a pleasant month in Arion, Iowa, with an average temperature ranging between max 69.4°F (20.8°C) and min 52.7°F (11.5°C).Temperature
The transition to May introduces an increase in the average high-temperature, shifting from a moderate 58.5°F (14.7°C) in April to an agreeable 69.4°F (20.8°C). Arion's temperature tends to fall to an average low of 52.7°F (11.5°C) during the nights of May.Humidity
In May, the average relative humidity is 72%.Rainfall
The month with the most rainfall is May, when the rain falls for 16 days and typically aggregates up to 3.82" (97mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Arion aggregates 0.12" (3mm) of snow. Throughout the year, there are 36.8 snowfall days, and 14.53" (369mm) of snow is accumulated.Daylight
In Arion, Iowa, the average length of the day in May is 14h and 35min.On the first day of May, sunrise is at 6:16 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:50 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In Arion, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Arion, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in May
Arion, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Arion, IA
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in May
Arion, IA
- Average humidity in May: 72%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in May
Arion, IA
- Average rainfall in May: 3.82"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in May
Arion, IA
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Arion, IA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Arion, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Arion, IA
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Arion, IA
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in May
Arion, IA
- 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 February (UV index 1).
Average cloud cover in May
Arion, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Arion, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
