May weather forecastJulien Hill, IL
May
Weather in May
May, the last month of the spring in Julien Hill, is a warm month, with an average temperature fluctuating between 75.6°F (24.2°C) and 58.1°F (14.5°C).Temperature
May's arrival signals an increase in average high-temperatures, moving from April's enjoyable 66.4°F (19.1°C) to a warm 75.6°F (24.2°C). The mean low-temperature during May nights is a moderate 58.1°F (14.5°C).Humidity
With an average relative humidity of 79%, May is the most humid month.Rainfall
In Julien Hill, in May, during 18.5 rainfall days, 3.86" (98mm) of precipitation is typically accumulated. Throughout the year, in Julien Hill, there are 158.7 rainfall days, and 36.1" (917mm) of precipitation is accumulated.Snowfall
In Julien Hill, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 12min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:44 pm. On the last day of May, sunrise is at 5:34 am and sunset at 8:08 pm CDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
The months with the highest UV index in Julien Hill, Illinois, are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Julien Hill, IL
- Average high temperature in May: 75.6°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in May: 58.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in May
Julien Hill, 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 (29.94"Hg).
Average wind speed in May
Julien Hill, IL
- Average wind speed in May: 7.8mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in May
Julien Hill, IL
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Julien Hill, IL
- Average rainfall in May: 3.86"
The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in May
Julien Hill, IL
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in May
Julien Hill, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Julien Hill, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Julien Hill, IL
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in May
Julien Hill, IL
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in May
Julien Hill, 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 and December (UV index 2).
Average cloud cover in May
Julien Hill, IL
- Average cloud cover in May: 38
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Julien Hill, 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).
