May weather forecastAdel, IA
May
Weather in May
The last month of the spring, May, is a pleasant month in Adel, Iowa, with an average temperature fluctuating between 52.7°F (11.5°C) and 69.6°F (20.9°C).Temperature
May brings an increase in the average high-temperature, progressing from a refreshing 59.5°F (15.3°C) in April to an agreeable 69.6°F (20.9°C). May brings Adel a consistent average low-temperature of 52.7°F (11.5°C).Humidity
In Adel, the average relative humidity in May is 77%.Rainfall
In May, the rain falls for 15.4 days. Throughout May, 2.56" (65mm) of precipitation is accumulated. Throughout the year, in Adel, there are 112.7 rainfall days, and 16.06" (408mm) of precipitation is accumulated.Snowfall
Months with snowfall in Adel are January through May, October through December. May is the last month it regularly snows in Adel. During 0.2 snowfall days, in May, Adel aggregates 0.2" (5mm) of snow. Throughout the year, there are 32 snowfall days, and 7.32" (186mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 33min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:14 pm. On the last day of May, in Adel, sunrise is at 5:44 am and sunset at 8:43 pm CDT.
Sunshine
The average sunshine in May in Adel is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Adel, IA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in May: 52.7°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 (14.4°F).
Average pressure in May
Adel, 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 (29.88"Hg).
Average wind speed in May
Adel, IA
- Average wind speed in May: 8.8mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Adel, IA
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Adel, IA
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Adel, IA
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in May
Adel, IA
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Adel, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Adel, IA
- Average daylight in May: 14h and 30min
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 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 18min).
Average sunshine days in May
Adel, IA
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in May
Adel, IA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Adel, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in May
Adel, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
