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
As Jolley transitions into May, the average high-temperature is observed to rise from a refreshing 57.7°F (14.3°C) in April to a pleasant 69.3°F (20.7°C). Throughout May, the nighttime temperature averages to a cool 53.1°F (11.7°C).Humidity
In Jolley, the average relative humidity in May is 71%.Rainfall
In Jolley, in May, during 17.1 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. In Jolley, during the entire year, the rain falls for 128 days and collects up to 26.18" (665mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Jolley. During 0.3 snowfall days, in May, Jolley aggregates 0.24" (6mm) of snow. In Jolley, during the entire year, snow falls for 39.2 days and aggregates up to 17.64" (448mm) of snow.Daylight
The average length of the day in May in Jolley is 14h and 38min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:19 pm. On the last day of May, sunrise is at 5:44 am and sunset at 8:49 pm CDT.
Sunshine
In Jolley, the average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Jolley in May?
What is the average humidity in May in Jolley?
How many days does it rain in May in Jolley?
What is the last month it snows in Jolley?
How many hours of daylight does Jolley have in May?
When is the sunrise / sunset in May in Jolley?
How long on average sun shines in May in Jolley?
How high is the UV index in May in Jolley?
Average temperature in May
Jolley, IA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in May
Jolley, 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
Jolley, IA
- Average wind speed in May: 9.4mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in May
Jolley, IA
- Average humidity in May: 71%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in May
Jolley, IA
- Average rainfall in May: 3.9"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in May
Jolley, IA
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (3 days).
Average snowfall in May
Jolley, IA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (5.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Jolley, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jolley, 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 4min
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
Jolley, IA
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in May
Jolley, 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
Jolley, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in May
Jolley, 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).
Jolley, Iowa, USA
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