May weather forecast
Cedarville, IL

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Weather in May

The last month of the spring, May, is a pleasant month in Cedarville, Illinois, with temperature in the range of an average high of 68°F (20°C) and an average low of 50.9°F (10.5°C).

Temperature

The beginning of May signals a rise in the average high-temperature, moving from a moderate 55.9°F (13.3°C) in April to an agreeable 68°F (20°C). During May, Cedarville consistently records a temperature low averaging a cool 50.9°F (10.5°C).

Humidity

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

Rainfall

In Cedarville, during May, the rain falls for 17.4 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 138 rainfall days, and 19.69" (500mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in May in Cedarville is 14h and 37min.
On the first day of May, sunrise is at 5:52 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:28 pm CDT.

Sunshine

The average sunshine in May is 8.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

In May, the average high-temperature and low-temperature are 68°F (20°C) and 50.9°F (10.5°C) respectively.

What is the average humidity in May?

The average relative humidity in May is 79%.

How much does it rain in Cedarville in May?

In Cedarville, in May, it is raining for 17.4 days, with typically 2.6" (66mm) of accumulated precipitation.

When it does not snow?

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

Does it snow in May?

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

How many hours of daylight does Cedarville have in May?

In Cedarville, the average day length in May is 14h and 37min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:52 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:28 pm CDT.

How many hours of sunshine does Cedarville have in May?

The average sunshine duration in May is 8.4h.

When is the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

How high is the UV index in May?

In Cedarville, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Cedarville, IL

Average temperature in May - Cedarville, IL
  • Average high temperature in May: 68°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in May: 50.9°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

Average pressure in May
Cedarville, IL

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Cedarville, IL

Average wind speed in May - Cedarville, IL
  • Average wind speed in May: 8.8mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in May
Cedarville, IL

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

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).

Average rainfall in May
Cedarville, IL

Average rainfall in May - Cedarville, IL
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is December (0.83").

Average rainfall days in May
Cedarville, IL

Average rainfall days in May - Cedarville, IL
  • Average rainfall days in May: 17.4 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4.9 days).

Average snowfall in May
Cedarville, IL

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

The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Cedarville, IL

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

The month with the highest number of snowfall days is January (11.3 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
Cedarville, IL

Average daylight in May / Average sunshine in May - Cedarville, IL
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in May
Cedarville, IL

Average sunshine days in May - Cedarville, IL
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).

Average UV index in May
Cedarville, IL

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in May
Cedarville, IL

Average cloud cover in May - Cedarville, IL
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 32).

Average visibility in May
Cedarville, IL

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

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

Cedarville, Illinois, USA

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