May weather forecast
Columbus, IL

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Weather in May

The last month of the spring, May, is a pleasant month in Columbus, Illinois, with an average temperature ranging between max 72°F (22.2°C) and min 55.2°F (12.9°C).

Temperature

Columbus's transition into May sees a rise in the average high-temperature, advancing from an enjoyable 62.4°F (16.9°C) in April to an agreeable 72°F (22.2°C). Columbus in May experiences a low-temperature average of 55.2°F (12.9°C).

Humidity

The average relative humidity in May in Columbus is 80%.

Rainfall

The month with the most rainfall in Columbus is May, when the rain falls for 16.9 days and typically aggregates up to 3.35" (85mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in May in Columbus is 14h and 25min.
On the first day of May in Columbus, sunrise is at 6:03 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:26 pm CDT.

Sunshine

In Columbus, the average sunshine in May is 9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What are the temperatures in Columbus in May?

During May, Columbus experiences an average high-temperature of 72°F (22.2°C) and a low-temperature of 55.2°F (12.9°C).

What is the average humidity in May in Columbus?

In May, the average relative humidity in Columbus is 80%.

What is the rainiest month in Columbus?

The month with the most rainfall in Columbus is May, when the rain falls for 16.9 days and typically aggregates up to 3.35" (85mm) of precipitation.

How many days does it rain in May in Columbus?

In May, in Columbus, the rain falls for 16.9 days. Throughout May, 3.35" (85mm) of precipitation is accumulated.

When it does not snow in Columbus?

In Columbus, snow does not fall in May through September.

Does it snow in Columbus in May?

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

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

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

When are sunrise and sunset in May in Columbus?

In May, on the first day of the month, sunrise is at 6:03 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:26 pm CDT.

How long on average sun shines in May in Columbus?

In Columbus, the average sunshine duration in May is 9h.

What is the UV index reading in May in Columbus?

The average daily maximum UV index in May in Columbus, Illinois, is 5. A UV Index of 3 to 5 symbolizes 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
Columbus, IL

Average temperature in May - Columbus, IL
  • Average high temperature in May: 72°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in May: 55.2°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in May
Columbus, IL

Average pressure in May - Columbus, IL
  • Average pressure in May: 29.94"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).

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Average wind speed in May
Columbus, IL

Average wind speed in May - Columbus, IL
  • Average wind speed in May: 8.3mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in May
Columbus, IL

Average humidity in May - Columbus, IL
  • Average humidity in May: 80%

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Columbus, IL

Average rainfall in May - Columbus, IL
  • Average rainfall in May: 3.35"

The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are January and December (1.02").

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Average rainfall days in May
Columbus, IL

Average rainfall days in May - Columbus, IL
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5 days).

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Average snowfall in May
Columbus, IL

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

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Columbus, IL

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

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Columbus, IL

Average daylight in May / Average sunshine in May - Columbus, 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: 9h and 0min

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

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Average sunshine days in May
Columbus, IL

Average sunshine days in May - Columbus, IL
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is June (11.1 days).

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Average UV index in May
Columbus, IL

Average UV index in May - Columbus, 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).

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Average cloud cover in May
Columbus, IL

Average cloud cover in May - Columbus, IL
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in May
Columbus, IL

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

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

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Columbus, Illinois, USA

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