May weather forecastSioux Rapids, IA
May
Weather in May
May, the last month of the spring in Sioux Rapids, is a pleasant month, with an average temperature ranging between min 52.2°F (11.2°C) and max 68.5°F (20.3°C).Temperature
With the arrival of May, the average high-temperature transitions from a moderate 56.3°F (13.5°C) in April to a pleasant 68.5°F (20.3°C). In Sioux Rapids, May's nights observe an average temperature dip to a fresh 52.2°F (11.2°C).Humidity
In Sioux Rapids, the average relative humidity in May is 69%.Rainfall
In Sioux Rapids, Iowa, in May, during 16.3 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, there are 127.3 rainfall days, and 23.58" (599mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Sioux Rapids. May is the last month it regularly snows. During 0.2 snowfall days, in May, Sioux Rapids aggregates 0.12" (3mm) of snow. Throughout the year, there are 46.1 snowfall days, and 19.06" (484mm) of snow is accumulated.Daylight
In May, the average length of the day in Sioux Rapids is 14h and 40min.On the first day of May, sunrise is at 6:13 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:52 pm CDT.
Sunshine
In May, the average sunshine in Sioux Rapids is 8.7h.UV index
In Sioux Rapids, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sioux Rapids, IA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in May: 52.2°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in May
Sioux Rapids, 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
Sioux Rapids, IA
- Average wind speed in May: 9.6mph
The windiest months (with the highest average wind speed) are January and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in May
Sioux Rapids, IA
- Average humidity in May: 69%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in May
Sioux Rapids, IA
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in May
Sioux Rapids, IA
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in May
Sioux Rapids, IA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sioux Rapids, IA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sioux Rapids, 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 42min
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 6min).
Average sunshine days in May
Sioux Rapids, IA
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in May
Sioux Rapids, 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
Sioux Rapids, 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 30).
Average visibility in May
Sioux Rapids, 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).





