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 an increase in the average high-temperature, progressing from a moderate 56.7°F (13.7°C) in April to an agreeable 68.7°F (20.4°C). Sycamore records a mean low-temperature of 51.4°F (10.8°C) in May.Humidity
In May, the average relative humidity in Sycamore is 78%.Rainfall
May is the month with the most rainfall in Sycamore. Rain falls for 18.3 days and accumulates 4.37" (111mm) of precipitation.Snowfall
Months with snowfall in Sycamore are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Sycamore aggregates 0.04" (1mm) of snow. In Sycamore, during the entire year, snow falls for 44.3 days and aggregates up to 17.87" (454mm) of snow.Daylight
In Sycamore, the average length of the day in May is 14h and 35min.On the first day of the month, sunrise is at 5:49 am and sunset at 7:54 pm. On the last day of May, in Sycamore, sunrise is at 5:21 am and sunset at 8:23 pm CDT.
Sunshine
The average sunshine in May is 8.4h.UV index
In Sycamore, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Sycamore?
What is the average humidity in May in Sycamore?
What is the wettest month in Sycamore?
How many days does it rain in May in Sycamore?
What is the last month it snows in Sycamore?
How many hours of daylight does Sycamore have in May?
What time are sunrise and sunset in May in Sycamore?
How many hours of sunshine does Sycamore have in May?
How high is the UV index in May in Sycamore?
Average temperature in May
Sycamore, IL
- Average high temperature in May: 68.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in May
Sycamore, 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
Sycamore, IL
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in May
Sycamore, IL
- Average humidity in May: 78%
The months with the highest relative humidity are January and July (85%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in May
Sycamore, IL
- Average rainfall in May: 4.37"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in May
Sycamore, IL
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in May
Sycamore, IL
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sycamore, IL
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sycamore, 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 12min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Sycamore, IL
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (17.2 days).
The months with the least sunshine days are June and July (10.3 days).
Average UV index in May
Sycamore, IL
- Average UV index in May: 5
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Sycamore, IL
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in May
Sycamore, 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).
Sycamore, Illinois, USA
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