May weather forecast
Glasgow, IL

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Weather in May

The last month of the spring, May, is an agreeable month in Glasgow, Illinois, with an average temperature ranging between min 55.9°F (13.3°C) and max 73°F (22.8°C).

Temperature

The arrival of May brings an increase in high-temperatures, moving from a refreshing 63.5°F (17.5°C) in April to an agreeable 73°F (22.8°C). In May, Glasgow encounters an average low-temperature of 55.9°F (13.3°C) during the night.

Humidity

In May, the average relative humidity in Glasgow is 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 18.8 days and accumulates 4.02" (102mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in May in Glasgow, Illinois, is 14h and 22min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of May, in Glasgow, sunrise is at 5:36 am and sunset at 8:22 pm CDT.

Sunshine

In Glasgow, the average sunshine in May is 9.2h.

UV index

In Glasgow, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, an average UV index of 5 transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Glasgow?

May temperatures in Glasgow, Illinois, vary between a high-temperature of 73°F (22.8°C) and a low-temperature of 55.9°F (13.3°C).

What is the average humidity in May in Glasgow?

The average relative humidity in May in Glasgow, Illinois, is 79%.

What is the rainiest month in Glasgow?

May is the month with the most rainfall in Glasgow, Illinois. Rain falls for 18.8 days and accumulates 4.02" (102mm) of precipitation.

How much does it rain in Glasgow in May?

In Glasgow, in May, during 18.8 rainfall days, 4.02" (102mm) of precipitation is typically accumulated.

When it does not snow in Glasgow?

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

Does it snow in Glasgow in May?

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

How many hours of daylight does Glasgow have in May?

The average day length in May in Glasgow, Illinois, is 14h and 22min.

When is the sunrise / sunset in May in Glasgow?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:56 pm. On the last day of the month, in Glasgow, sunrise is at 5:36 am and sunset at 8:22 pm CDT.

How long on average sun shines in May in Glasgow?

In May, the average sunshine duration in Glasgow is 9.2h.

What is the UV index intensity in May in Glasgow?

In Glasgow, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
Glasgow, IL

Average temperature in May - Glasgow, IL
  • Average high temperature in May: 73°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in May: 55.9°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in May
Glasgow, IL

Average pressure in May - Glasgow, IL
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Glasgow, IL

Average wind speed in May - Glasgow, IL
  • Average wind speed in May: 8mph

The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in May
Glasgow, IL

Average humidity in May - Glasgow, IL
  • Average humidity in May: 79%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Glasgow, IL

Average rainfall in May - Glasgow, IL
  • Average rainfall in May: 4.02"

The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January, February and December (1.73").

Average rainfall days in May
Glasgow, IL

Average rainfall days in May - Glasgow, IL
  • Average rainfall days in May: 18.8 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.2 days).

Average snowfall in May
Glasgow, IL

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

The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Glasgow, IL

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

The month with the highest number of snowfall days is January (9.8 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
Glasgow, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in May
Glasgow, IL

Average sunshine days in May - Glasgow, IL
  • Average sunshine days in May: 9.8 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.6 days).

Average UV index in May
Glasgow, IL

Average UV index in May - Glasgow, 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
Glasgow, IL

Average cloud cover in May - Glasgow, IL
  • Average cloud cover in May: 38

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).

Average visibility in May
Glasgow, IL

Average visibility in May - Glasgow, IL
  • Average visibility in May: 6mi

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

Glasgow, Illinois, USA

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