May weather forecast
Sparta, IL

Share

Weather in May

May, the last month of the spring in Sparta, is a moderately hot month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 74.8°F (23.8°C).

Temperature

Sparta's weather in May shows a rise in the average high-temperature, moving up from April's refreshing 65.8°F (18.8°C) to a moderately hot 74.8°F (23.8°C). The average nighttime temperature in Sparta lowers to a refreshing 58.1°F (14.5°C) throughout May.

Humidity

With an average relative humidity of 79%, May is the most humid month.

Rainfall

The month with the most rainfall in Sparta, Illinois, is May, when the rain falls for 14.3 days and typically aggregates up to 2.2" (56mm) of precipitation.

Snowfall

In Sparta, snow does not fall in April through September.

Daylight

In Sparta, Illinois, the average length of the day in May is 14h and 15min.
On the first day of May in Sparta, sunrise is at 6:01 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:15 pm CDT.

Sunshine

In Sparta, the average sunshine in May is 9.4h.

UV index

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 ordinary individuals.
Note: A maximum UV index of 5 in May translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Sparta in May?

Sparta in May has an average high-temperature of 74.8°F (23.8°C) and an average low-temperature of 58.1°F (14.5°C).

What is the most humid month in Sparta?

The most humid month in Sparta, Illinois, is May, with an average relative humidity of 79%.

What is the average humidity in May in Sparta?

The average relative humidity in May is 79%.

What is the rainiest month in Sparta?

May is the month with the most rainfall in Sparta, Illinois. Rain falls for 14.3 days and accumulates 2.2" (56mm) of precipitation.

How many days does it rain in May in Sparta?

In Sparta, in May, it is raining for 14.3 days, with typically 2.2" (56mm) of accumulated precipitation.

When it does not snow in Sparta?

April through September are months without snowfall in Sparta.

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

In Sparta, the average day length in May is 14h and 15min.

When are sunrise and sunset in May in Sparta?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:50 pm. On the last day of the month, in Sparta, sunrise is at 5:37 am and sunset at 8:15 pm CDT.

How long on average sun shines in May in Sparta?

The average sunshine duration in May is 9.4h.

What is the UV index reading in May in Sparta?

The average daily maximum UV index in May is 5. A UV Index value 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
Sparta, IL

Average temperature in May - Sparta, IL
  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 58.1°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in May
Sparta, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Sparta, IL

Average wind speed in May - Sparta, IL
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in May
Sparta, IL

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Sparta, IL

Average rainfall in May - Sparta, IL
  • Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is February (0.94").

Average rainfall days in May
Sparta, IL

Average rainfall days in May - Sparta, IL
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in May
Sparta, IL

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

The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in May
Sparta, IL

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

The month with the highest number of snowfall days is January (4.8 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
Sparta, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in May
Sparta, IL

Average sunshine days in May - Sparta, IL
  • Average sunshine days in May: 14.1 days

The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13 days).

Average UV index in May
Sparta, IL

Average UV index in May - Sparta, 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
Sparta, IL

Average cloud cover in May - Sparta, IL
  • Average cloud cover in May: 37

The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in May
Sparta, IL

Average visibility in May - Sparta, 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).

Sparta, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location