May weather forecastSheldon, IA
May
Weather in May
The last month of the spring, May, is a comfortable month in Sheldon, Iowa, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 67.8°F (19.9°C).Temperature
The onset of May marks an increase in the average high-temperature, moving from a moderate 55.6°F (13.1°C) in April to an enjoyable 67.8°F (19.9°C). Throughout May, the temperature in Sheldon tends to fall to a consistent average low of 51.4°F (10.8°C).Humidity
In May, the average relative humidity is 69%.Rainfall
In Sheldon, Iowa, in May, during 17.8 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. Throughout the year, there are 128.1 rainfall days, and 24.17" (614mm) of precipitation is accumulated.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, Sheldon aggregates 0.16" (4mm) of snow. In Sheldon, during the entire year, snow falls for 48.8 days and aggregates up to 19.21" (488mm) of snow.Daylight
In May, the average length of the day is 14h and 41min.On the first day of May, sunrise is at 6:15 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:56 pm CDT.
Sunshine
The average sunshine in May in Sheldon is 8.8h.UV index
In Sheldon, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. 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
Sheldon, IA
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Sheldon, 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
Sheldon, IA
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in May
Sheldon, IA
- Average humidity in May: 69%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
Sheldon, IA
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in May
Sheldon, IA
- Average rainfall days in May: 17.8 days
The months with the highest number of rainy days are May and June (17.8 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in May
Sheldon, IA
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sheldon, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sheldon, IA
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Sheldon, IA
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in May
Sheldon, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in May
Sheldon, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Sheldon, 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).
