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
May brings a rise in Clay City's average high-temperature, moving from a comfortable 64.4°F (18°C) in April to a warm 73.9°F (23.3°C). An average temperature of 57.9°F (14.4°C) marks the nights in Clay City in May.Humidity
The months with the highest humidity are May and July, with an average relative humidity of 80%.Rainfall
In Clay City, in May, it is raining for 19.9 days, with typically 4.21" (107mm) of accumulated precipitation. Throughout the year, there are 167.3 rainfall days, and 37.17" (944mm) of precipitation is accumulated.Snowfall
In Clay City, snow does not fall in May through September.Daylight
In Clay City, Illinois, the average length of the day in May is 14h and 18min.On the first day of May, sunrise is at 5:54 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:11 pm CDT.
Sunshine
The average sunshine in May is 9.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Clay City. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 in May translates into these instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Clay City?
What is the most humid month in Clay City?
What is the average humidity in May in Clay City?
How much does it rain in Clay City in May?
When it does not snow in Clay City?
Does it snow in Clay City in May?
What is the average length of the day in May in Clay City?
When is the sunrise / sunset in May in Clay City?
How many hours of sunshine does Clay City have in May?
When is the highest UV index in Clay City?
What is the UV index intensity in May in Clay City?
Average temperature in May
Clay City, IL
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 57.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Clay City, IL
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Clay City, IL
- Average wind speed in May: 8.3mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Clay City, IL
- Average humidity in May: 80%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Clay City, IL
- Average rainfall in May: 4.21"
The wettest month (with the highest rainfall) is April (4.88").
The driest months (with the least rainfall) are February and September (2.09").
Average rainfall days in May
Clay City, IL
- Average rainfall days in May: 19.9 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in May
Clay City, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Clay City, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.1 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
Clay City, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Clay City, IL
- Average sunshine days in May: 9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9 days).
Average UV index in May
Clay City, IL
- Average UV index in May: 6
The months with the highest UV index are May, 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
Clay City, IL
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Clay City, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Clay City, Illinois, USA
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