May weather forecast
Ellis Grove, IL

Share

Weather in May

The last month of the spring, May, is a warm month in Ellis Grove, Illinois, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 75.7°F (24.3°C).

Temperature

As Ellis Grove enters May, the average high-temperature increases from the a refreshing 66.4°F (19.1°C) of April to a moderately hot 75.7°F (24.3°C). During the month of May, the nighttime temperature falls to an average of 57.9°F (14.4°C).

Humidity

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

Rainfall

In May, the rain falls for 17.3 days. Throughout May, 3.86" (98mm) of precipitation is accumulated. In Ellis Grove, Illinois, during the entire year, the rain falls for 156.4 days and collects up to 34.25" (870mm) of precipitation.

Snowfall

May through September are months without snowfall in Ellis Grove.

Daylight

In Ellis Grove, the average length of the day in May is 14h and 14min.
On the first day of May, sunrise is at 6:02 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:16 pm CDT.

Sunshine

In Ellis Grove, the average sunshine in May is 9.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

May temperatures vary between a high-temperature of 75.7°F (24.3°C) and a low-temperature of 57.9°F (14.4°C).

What is the most humid month?

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

What is the average humidity in May?

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

How much does it rain in May?

In Ellis Grove, in May, during 17.3 rainfall days, 3.86" (98mm) of precipitation is typically accumulated.

When it does not snow?

In Ellis Grove, 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 Ellis Grove have in May?

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

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:16 pm CDT.

How many hours of sunshine does Ellis Grove have in May?

In Ellis Grove, the average sunshine duration in May is 9.3h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Ellis Grove, IL

Average temperature in May - Ellis Grove, IL
  • Average high temperature in May: 75.7°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in May: 57.9°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 (25.7°F).

Average pressure in May
Ellis Grove, IL

Average pressure in May - Ellis Grove, 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
Ellis Grove, IL

Average wind speed in May - Ellis Grove, IL
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in May
Ellis Grove, IL

Average humidity in May - Ellis Grove, 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
Ellis Grove, IL

Average rainfall in May - Ellis Grove, IL
  • Average rainfall in May: 3.86"

The wettest month (with the highest rainfall) is April (4.13").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in May
Ellis Grove, IL

Average rainfall days in May - Ellis Grove, IL
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in May
Ellis Grove, IL

Average snowfall in May - Ellis Grove, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Ellis Grove, IL

Average snowfall days in May - Ellis Grove, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (5.2 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
Ellis Grove, IL

Average daylight in May / Average sunshine in May - Ellis Grove, IL
  • Average daylight in May: 14h and 1min

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 months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in May
Ellis Grove, IL

Average sunshine days in May - Ellis Grove, IL
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in May
Ellis Grove, IL

Average UV index in May - Ellis Grove, IL
  • Average UV index in May: 6

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

Average cloud cover in May
Ellis Grove, IL

Average cloud cover in May - Ellis Grove, IL
  • Average cloud cover in May: 37

The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in May
Ellis Grove, IL

Average visibility in May - Ellis Grove, 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).

Ellis Grove, Illinois, USA

Weather forecast for your location

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