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
An increase in the average high-temperature marks May, moving from April's mild 58.5°F (14.7°C) to an agreeable 69.3°F (20.7°C). Throughout May, Kelley registers a consistent average low-temperature of 53.1°F (11.7°C).Humidity
In Kelley, the average relative humidity in May is 76%.Rainfall
May is the month with the most rainfall in Kelley. Rain falls for 17.2 days and accumulates 4.09" (104mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Kelley. During 0.2 snowfall days, in May, Kelley aggregates 0.35" (9mm) of snow. In Kelley, during the entire year, snow falls for 36.2 days and aggregates up to 15.43" (392mm) of snow.Daylight
The average length of the day in May is 14h and 35min.On the first day of the month, sunrise is at 6:09 am and sunset at 8:13 pm. On the last day of May, in Kelley, sunrise is at 5:41 am and sunset at 8:43 pm CDT.
Sunshine
In Kelley, the average sunshine in May is 8.4h.UV index
In May, the average daily maximum UV index in Kelley is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Guard yourself - Avoiding sunburn is suggested. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What are the temperatures in Kelley in May?
What is the average humidity in May in Kelley?
What is the wettest month in Kelley?
How many days does it rain in May in Kelley?
What is the last month it snows in Kelley?
What is the average length of the day in May in Kelley?
When are sunrise and sunset in May in Kelley?
How many hours of sunshine does Kelley have in May?
How high is the UV index in May in Kelley?
Average temperature in May
Kelley, IA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in May
Kelley, 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
Kelley, IA
- Average wind speed in May: 9.1mph
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 (7.1mph).
Average humidity in May
Kelley, IA
- Average humidity in May: 76%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Kelley, IA
- Average rainfall in May: 4.09"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in May
Kelley, IA
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Kelley, IA
- Average snowfall in May: 0.35"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Kelley, IA
- Average snowfall days in May: 0.2 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
Kelley, 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 12min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Kelley, IA
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in May
Kelley, 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 January (UV index 1).
Average cloud cover in May
Kelley, IA
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in May
Kelley, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Kelley, Iowa, USA
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