May weather forecastOld Brownfield, IL
May
Weather in May
The last month of the spring, May, is a warm month in Old Brownfield, Illinois, with an average temperature ranging between min 59°F (15°C) and max 76.5°F (24.7°C).Temperature
May's onset brings a temperature rise, moving from a refreshing 67.1°F (19.5°C) in April to a moderately hot 76.5°F (24.7°C). The average nighttime temperature in Old Brownfield, Illinois, lowers to a moderate 59°F (15°C) throughout May.Humidity
The months with the highest humidity in Old Brownfield are March and May, with an average relative humidity of 79%.Rainfall
In May, the rain falls for 17.3 days. Throughout May, 3.78" (96mm) of precipitation is accumulated. In Old Brownfield, during the entire year, the rain falls for 160.7 days and collects up to 36.73" (933mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 11min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:44 pm. On the last day of May, in Old Brownfield, sunrise is at 5:35 am and sunset at 8:09 pm CDT.
Sunshine
The average sunshine in May is 9.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 6 during May translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Old Brownfield, IL
- Average high temperature in May: 76.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in May: 59°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in May
Old Brownfield, IL
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Old Brownfield, IL
- Average wind speed in May: 7.5mph
The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in May
Old Brownfield, IL
- Average humidity in May: 79%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Old Brownfield, IL
- Average rainfall in May: 3.78"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in May
Old Brownfield, IL
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is October (10.2 days).
Average snowfall in May
Old Brownfield, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Old Brownfield, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.3 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
Old Brownfield, 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 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Old Brownfield, IL
- Average sunshine days in May: 11 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (11 days).
Average UV index in May
Old Brownfield, 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
Old Brownfield, IL
- Average cloud cover in May: 38
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 26).
Average visibility in May
Old Brownfield, 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).
