May weather forecast
Ellis Grove, IL

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Weather in May

The last month of the spring, May, is a moderately hot month in Ellis Grove, Illinois, with an average temperature varying between 57.9°F (14.4°C) and 75.7°F (24.3°C).

Temperature

Ellis Grove sees a rise in temperature during May, with average high-temperatures transitioning from a refreshing 66.4°F (19.1°C) in April to a moderately hot 75.7°F (24.3°C). The average temperature during May nights dips to a moderate 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, during the entire year, the rain falls for 156.4 days and collects up to 34.25" (870mm) of precipitation.

Snowfall

In Ellis Grove, snow does not fall in May through September.

Daylight

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

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 6 in May transforms into this advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the average May temperature in Ellis Grove?

During May, Ellis Grove experiences an average 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 in Ellis Grove?

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

What is the average humidity in May in Ellis Grove?

The average relative humidity in May in Ellis Grove is 79%.

How many days does it rain in May in Ellis Grove?

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

When it does not snow in Ellis Grove?

In Ellis Grove, Illinois, snow does not fall in May through September.

Does it snow in Ellis Grove in May?

In May, in Ellis Grove, 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 Ellis Grove, Illinois, the average day length in May is 14h and 14min.

What time are sunrise and sunset in May in Ellis Grove?

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 long on average sun shines in May in Ellis Grove?

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

What is the month with the highest UV index in Ellis Grove?

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

What is the UV index reading in May in Ellis Grove?

In Ellis Grove, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Ellis Grove, Illinois, USA

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