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's arrival signals an increase in average high-temperatures, moving from April's fresh 53.8°F (12.1°C) to an enjoyable 66°F (18.9°C). Throughout May, a steady low-temperature average of 48.4°F (9.1°C) is noted.Humidity
The average relative humidity in May in Hebron is 79%.Rainfall
In Hebron, in May, during 15.7 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Hebron, during the entire year, the rain falls for 121.6 days and collects up to 14.06" (357mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Hebron. During 0.3 snowfall days, in May, Hebron aggregates 0.04" (1mm) of snow. Throughout the year, there are 46.4 snowfall days, and 7.48" (190mm) of snow is accumulated.Daylight
In Hebron, the average length of the day in May is 14h and 38min.On the first day of May, sunrise is at 5:47 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:23 pm CDT.
Sunshine
In Hebron, the average sunshine in May is 8.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hebron in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Hebron have in May?
What is the month with the highest UV index?
How high is the UV index in May?
Average temperature in May
Hebron, IL
- Average high temperature in May: 66°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in May: 48.4°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in May
Hebron, IL
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Hebron, IL
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Hebron, IL
- Average humidity in May: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Hebron, IL
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is July (1.93").
The driest month (with the least rainfall) is December (0.55").
Average rainfall days in May
Hebron, IL
- Average rainfall days in May: 15.7 days
The months with the highest number of rainy days are May and July (15.7 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in May
Hebron, IL
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hebron, IL
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hebron, IL
- 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 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Hebron, IL
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in May
Hebron, IL
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Hebron, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Hebron, IL
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Hebron, Illinois, USA
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