May weather forecastAurora, IL
May
Weather in May
May welcomes a dramatic change in Aurora's weather, characterized by nearly double the rainfall of April. The rains witness an upsurge, with an insignificant decrease in rainy days. Temperatures also rise notably, signaling the approach of typical summer weather. Unlike the preceding months, this time of the year marks the absence of snowfall. Long stretches of daylit hours and increased sunshine further pronounce the advent of summer.Temperature
As Aurora, Illinois, transitions into May, the average high-temperature shows a change, moving from a refreshing 56.8°F (13.8°C) in April to a pleasant 69.1°F (20.6°C). Throughout the month of May, Aurora sees a steady low-temperature average of 51.6°F (10.9°C).Humidity
In Aurora, Illinois, the average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 14.7 days and typically aggregates up to 1.97" (50mm) of precipitation.Snowfall
May through September are months without snowfall in Aurora, Illinois.Daylight
In Aurora, the average length of the day in May is 14h and 34min.On the first day of May in Aurora, sunrise is at 5:48 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:21 pm CDT.
Sunshine
The average sunshine in May in Aurora is 8.5h.UV index
In Aurora, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 5 during May translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Aurora, IL
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in May: 51.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in May
Aurora, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Aurora, IL
- Average wind speed in May: 8.2mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Aurora, IL
- Average humidity in May: 78%
The months with the highest relative humidity are January, February and July (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Aurora, IL
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in May
Aurora, IL
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in May
Aurora, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Aurora, IL
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Aurora, IL
- Average daylight in May: 14h and 36min
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 12min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Aurora, IL
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in May
Aurora, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Aurora, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in May
Aurora, 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).
