May weather forecastClaytonville, IL
May
Weather in May
May, the last month of the spring in Claytonville, is an agreeable month, with an average temperature fluctuating between 71.4°F (21.9°C) and 55°F (12.8°C).Temperature
May brings a temperature change, with average high-temperatures moving from April's moderate 60.1°F (15.6°C) to an agreeable 71.4°F (21.9°C). The average temperature during May nights in Claytonville is registered at a cool 55°F (12.8°C).Humidity
In May, the average relative humidity is 77%.Rainfall
May is the month with the most rainfall in Claytonville. Rain falls for 18 days and accumulates 3.07" (78mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 28min.On the first day of May in Claytonville, sunrise is at 5:49 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:15 pm CDT.
Sunshine
The average sunshine in May is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 5 in May transforms into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Claytonville, IL
- Average high temperature in May: 71.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in May
Claytonville, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Claytonville, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in May
Claytonville, IL
- Average humidity in May: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Claytonville, IL
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in May
Claytonville, IL
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in May
Claytonville, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Claytonville, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.4 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
Claytonville, IL
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Claytonville, IL
- Average sunshine days in May: 11 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Claytonville, IL
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Claytonville, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in May
Claytonville, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
