May weather forecast and climate
Springfield, IL

The Abraham Lincoln House in Springfield, Illinois
The Abraham Lincoln House in Springfield, Illinois

Weather in May

May, the last month of the spring, in Springfield, is a pleasant month, with average temperature fluctuating between 56.3°F (13.5°C) and 72.9°F (22.7°C).

Temperature

In May, the average high-temperature increases, from an enjoyable 63.1°F (17.3°C) in April, to a pleasant 72.9°F (22.7°C). In May, the average low-temperature is 56.3°F (13.5°C).

Humidity

The average relative humidity in Springfield, Illinois, is 77%.

Rainfall

In Springfield, during May, the rain falls for 17.1 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Springfield, during the entire year, the rain falls for 140.2 days and collects up to 23.27" (591mm) of precipitation.

Snowfall

In Springfield snow does not fall through October.

Daylight

In May, the average length of the day in Springfield is 14.4h.

Sunshine

The average sunshine in Springfield is 9.3h.

UV index

The average daily maximum UV index in Springfield is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in May in Springfield?

In Springfield, the average relative humidity in May is 77%.

How much does it rain in Springfield in May?

In Springfield, in May, it is raining for 17.1 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow in Springfield?

May through October are months without snowfall.

Does it snow in Springfield in May?

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

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

The average length of the day in May in Springfield, Illinois, is 14.4h.

How long on average sun shines in May in Springfield?

In Springfield, Illinois, the average sunshine in May is 9.3h.

What is the UV index intensity in May in Springfield?

In Springfield, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in May
Springfield, IL

Average temperature in May - Springfield, IL
  • Average high temperature in May: 72.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 56.3°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in May
Springfield, IL

Average pressure in May - Springfield, IL
  • Average pressure in May: 29.95"

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

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Average wind speed in May
Springfield, IL

Average wind speed in May - Springfield, IL
  • Average wind speed in May: 8.5mph

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).

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Average humidity in May
Springfield, IL

Average humidity in May - Springfield, IL
  • Average humidity in May: 77%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Springfield, IL

Average rainfall in May - Springfield, IL
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is December (1.18").

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Average rainfall days in May
Springfield, IL

Average rainfall days in May - Springfield, IL
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in May
Springfield, IL

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

The month with the highest snowfall is January (2.24").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Springfield, IL

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

The month with the highest number of snowfall days is January (9.5 days).
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
Springfield, IL

Average daylight in May / Average sunshine in May - Springfield, IL
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 9.3h

The month with the most sunshine is June (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.2h).

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Average sunshine days in May
Springfield, IL

Average sunshine days in May - Springfield, IL
  • Average sunshine days in May: 11.6 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in May
Springfield, IL

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

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

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Average cloud cover in May
Springfield, IL

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

The month with the most cloud cover is January (Cloud cover 55).
Months with the least cloud cover are June and September (Cloud cover 29).

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Average visibility in May
Springfield, IL

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

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

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