May weather forecastLee Center, IL

May

Weather in May

May, the last month of the spring in Lee Center, is a pleasant month, with an average temperature fluctuating between 52.3°F (11.3°C) and 69.4°F (20.8°C).

Temperature

The beginning of May marks a shift in the average high-temperature, moving from April's refreshing 57.6°F (14.2°C) to an agreeable 69.4°F (20.8°C). Lee Center records an average nighttime low of 52.3°F (11.3°C) in May.

Humidity

The average relative humidity in May is 77%.

Rainfall

May is the month with the most rainfall in Lee Center. Rain falls for 16.6 days and accumulates 2.68" (68mm) of precipitation.

Snowfall

In Lee Center, snow does not fall in May through September.

Daylight

The average length of the day in May in Lee Center, Illinois, is 14h and 34min.
On the first day of the month, sunrise is at 5:52 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:24 am and sunset at 8:25 pm CDT.

Sunshine

The average sunshine in May is 8.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

May temperatures vary between a high-temperature of 69.4°F (20.8°C) and a low-temperature of 52.3°F (11.3°C).

The average relative humidity in May is 77%.

May is the month with the most rainfall in Lee Center. Rain falls for 16.6 days and accumulates 2.68" (68mm) of precipitation.

In Lee Center, Illinois, in May, during 16.6 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

In Lee Center, Illinois, snow does not fall in May through September.

In May, it doesn't snow. April is the latest month when it typically snows.

In Lee Center, Illinois, the average day length in May is 14h and 34min.

In May, on the first day of the month, sunrise is at 5:52 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:25 pm CDT.

In May, the average sunshine duration in Lee Center, Illinois, is 8.6h.

The average daily maximum UV index in May in Lee Center, Illinois, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Lee Center, IL

  • Average high temperature in May: 69.4°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 (27.5°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in May
Lee Center, IL

  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Lee Center, IL

  • Average wind speed in May: 8.8mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in May
Lee Center, IL

  • Average humidity in May: 77%

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall in May
Lee Center, IL

  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in May
Lee Center, IL

  • Average rainfall days in May: 16.6 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in May
Lee Center, IL

  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Lee Center, IL

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Lee Center, 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 36min

The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
Lee Center, IL

  • Average sunshine days in May: 12.3 days

The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in May
Lee Center, IL

  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in May
Lee Center, 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 31).

Average visibility in May
Lee Center, IL

  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).