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
The onset of May brings a temperature shift, with the average high-temperature moving from a mild 56.1°F (13.4°C) in April to a comfortable 67.6°F (19.8°C). In Cascade, the nighttime temperature averages to a cool 50.5°F (10.3°C) during May.Humidity
In May, the average relative humidity is 81%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.9 days and typically aggregates up to 4.17" (106mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 37min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:04 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:33 pm CDT.
Sunshine
The average sunshine in May is 8.2h.UV index
The months with the highest UV index in Cascade are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Cascade?
What is the average humidity in May?
What is the wettest month in Cascade?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Cascade have in May?
What are the months with the highest UV index?
What is the UV index reading in May in Cascade?
Average temperature in May
Cascade, IA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in May: 50.5°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 (12.6°F).
Average pressure in May
Cascade, IA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Cascade, IA
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in May
Cascade, IA
- Average humidity in May: 81%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Cascade, IA
- Average rainfall in May: 4.17"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in May
Cascade, IA
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in May
Cascade, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Cascade, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Cascade, IA
- Average daylight in May: 14h and 4min
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 6min).
- Average sunshine in May: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Cascade, IA
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Cascade, IA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Cascade, IA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Cascade, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Cascade, Iowa, USA
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