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
Reilly Settlement in May sees a temperature change, with average high-temperatures moving from a fresh 54.5°F (12.5°C) in April to a comfortable 66.6°F (19.2°C). During the nights in May, the temperature averages to a cool 50°F (10°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Reilly Settlement, Iowa, in May, during 14.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 98 rainfall days, and 9.8" (249mm) of precipitation is accumulated.Snowfall
Months with snowfall in Reilly Settlement are January through May, October through December. May is the last month it regularly snows in Reilly Settlement. During 0.3 snowfall days, in May, Reilly Settlement aggregates 0.04" (1mm) of snow. In Reilly Settlement, during the entire year, snow falls for 36.8 days and aggregates up to 6.22" (158mm) of snow.Daylight
In May, the average length of the day in Reilly Settlement is 14h and 41min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:10 pm. On the last day of May, sunrise is at 5:31 am and sunset at 8:41 pm CDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 5 suggests these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Reilly Settlement, IA
- Average high temperature in May: 66.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in May
Reilly Settlement, IA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Reilly Settlement, IA
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in May
Reilly Settlement, IA
- Average humidity in May: 77%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Reilly Settlement, IA
- Average rainfall in May: 1.38"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in May
Reilly Settlement, IA
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (2 days).
Average snowfall in May
Reilly Settlement, IA
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Reilly Settlement, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Reilly Settlement, IA
- Average daylight in May: 14h and 4min
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 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Reilly Settlement, IA
- Average sunshine days in May: 13.9 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in May
Reilly Settlement, IA
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Reilly Settlement, IA
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Reilly Settlement, 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).
Reilly Settlement, Iowa, USA
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