Springfield
Illinois, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Springfield, IL

The Abraham Lincoln House in Springfield, Illinois, on a partially sunny autumn day
The Abraham Lincoln House in Springfield, Illinois, on a partially sunny autumn day
May, the last month of the spring, in Springfield, is a moderately hot month, with average temperature fluctuating between 52.5°F (11.4°C) and 74.8°F (23.8°C).

Temperature

In May, the average high-temperature increases, from a comfortable 64.6°F (18.1°C) in April, to a moderately hot 74.8°F (23.8°C). The average low-temperature, in Springfield, is 52.5°F (11.4°C).

Humidity

In Springfield, the average relative humidity is 65.6%.

Rainfall

In May, in Springfield, Illinois, the rain falls for 11.7 days. Throughout May, 4.2" (107.7mm) of precipitation is accumulated. Throughout the year, in Springfield, there are 113.4 rainfall days, and 37.4" (950.8mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Springfield.

Daylight

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

Sunshine

The average sunshine in Springfield is 9.1h.

UV index

In May, the average daily maximum UV index is 8. A UV Index value of 8 to 10 symbolizes a very high threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 8 transform into the following instructions:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Springfield?

In May, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 52.5°F (11.4°C).

What is the average humidity in May in Springfield?

In May, the average relative humidity in Springfield, Illinois, is 65.6%.

How many days does it rain in May in Springfield?

In Springfield, Illinois, during May, the rain falls for 11.7 days and regularly aggregates up to 4.2" (107.7mm) of precipitation.

Does it snow in Springfield in May?

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

When it does not snow in Springfield?

In Springfield, Illinois, snow does not fall in May through October.

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

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

How many hours of sunshine does Springfield have in May?

In May, the average sunshine in Springfield, Illinois, is 9.1h.

What is the UV index reading in May in Springfield?

In May, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high health risk from the exposure to the Sun's UV rays.
Average temperature in May - Springfield, IL
  • Average high temperature in May: 23.8°C

The warmest month (with the highest average high temperature) is July (30.1°C).
The month with the lowest average high temperature is January (1.6°C).

  • Average low temperature in May: 11.4°C

The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-7.4°C).

Average humidity in May - Springfield, IL
  • Average humidity in May: 65.6%

The month with the highest relative humidity is December (77.6%).
The month with the lowest relative humidity is April (65.3%).

Average rainfall in May - Springfield, IL
  • Average rainfall in May: 107.7mm

The wettest month (with the highest rainfall) is June (113.3mm).
The driest month (with the lowest rainfall) is February (46mm).

Average rainfall days in May - Springfield, IL
  • Average rainfall days in May: 11.7 days

The month with the highest number of rainy days is May (11.7 days).
The month with the lowest number of rainy days is September (7.4 days).

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

The month with the highest snowfall is January (162.6mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

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 (5.4 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

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 shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 9.1h

Months with most sunshine are June and July (Average sunshine: 10.3h).
The month with least sunshine is December (Average sunshine: 4.2h).

Average UV index in May - Springfield, IL
  • Average UV index in May: 8

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).