May weather forecast
Belgium, IL

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Weather in May

The last month of the spring, May, is an agreeable month in Belgium, Illinois, with an average temperature fluctuating between 55°F (12.8°C) and 71.8°F (22.1°C).

Temperature

May shows a rise in the average high-temperature, moving from April's comfortable 61.2°F (16.2°C) to a pleasant 71.8°F (22.1°C). Belgium reports a consistent average low-temperature of 55°F (12.8°C) throughout May nights.

Humidity

In Belgium, Illinois, the average relative humidity in May is 78%.

Rainfall

In Belgium, in May, it is raining for 18 days, with typically 3.15" (80mm) of accumulated precipitation. In Belgium, during the entire year, the rain falls for 151.8 days and collects up to 25.63" (651mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day in Belgium is 14h and 25min.
On the first day of the month, sunrise is at 5:49 am and sunset at 7:45 pm. On the last day of May, in Belgium, sunrise is at 5:23 am and sunset at 8:13 pm CDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Belgium in May?

In May, the average high-temperature and low-temperature in Belgium, Illinois, are 71.8°F (22.1°C) and 55°F (12.8°C) respectively.

What is the average humidity in May in Belgium?

The average relative humidity in May in Belgium, Illinois, is 78%.

How much does it rain in Belgium in May?

In Belgium, in May, it is raining for 18 days, with typically 3.15" (80mm) of accumulated precipitation.

When it does not snow in Belgium?

May through October are months without snowfall in Belgium, Illinois.

Does it snow in Belgium in May?

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

What is the average length of the day in May in Belgium?

The average day length in May in Belgium is 14h and 25min.

What time are sunrise and sunset in May in Belgium?

In May, on the first day of the month, sunrise is at 5:49 am and sunset at 7:45 pm. On the last day of the month, in Belgium, sunrise is at 5:23 am and sunset at 8:13 pm CDT.

How many hours of sunshine does Belgium have in May?

The average sunshine duration in May in Belgium is 8.8h.

How high is the UV index in May in Belgium?

The average daily maximum UV index in May in Belgium, Illinois, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Belgium, IL

Average temperature in May - Belgium, IL
  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in May: 55°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in May
Belgium, IL

Average pressure in May - Belgium, IL
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Belgium, IL

Average wind speed in May - Belgium, IL
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in May
Belgium, IL

Average humidity in May - Belgium, IL
  • Average humidity in May: 78%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Belgium, IL

Average rainfall in May - Belgium, IL
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

Average rainfall days in May
Belgium, IL

Average rainfall days in May - Belgium, IL
  • Average rainfall days in May: 18 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in May
Belgium, IL

Average snowfall in May - Belgium, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Belgium, IL

Average snowfall days in May - Belgium, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.6 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
Belgium, IL

Average daylight in May / Average sunshine in May - Belgium, IL
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in May
Belgium, IL

Average sunshine days in May - Belgium, IL
  • Average sunshine days in May: 10 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in May
Belgium, IL

Average UV index in May - Belgium, IL
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Belgium, IL

Average cloud cover in May - Belgium, IL
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

Average visibility in May
Belgium, IL

Average visibility in May - Belgium, 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).

Belgium, Illinois, USA

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