May weather forecast
Ferris, IL

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Weather in May

The last month of the spring, May, is an agreeable month in Ferris, Illinois, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 54.7°F (12.6°C).

Temperature

May's onset is marked by a temperature increase, moving from a refreshing 61.5°F (16.4°C) in April to a pleasant 71.4°F (21.9°C). An average low-temperature of 54.7°F (12.6°C) is anticipated throughout the nights during May.

Humidity

The average relative humidity in May in Ferris is 79%.

Rainfall

May is the month with the most rainfall in Ferris, Illinois. Rain falls for 16.8 days and accumulates 2.87" (73mm) of precipitation.

Snowfall

May through September are months without snowfall in Ferris.

Daylight

In Ferris, Illinois, the average length of the day in May is 14h and 27min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:00 pm. On the last day of May, in Ferris, sunrise is at 5:36 am and sunset at 8:28 pm CDT.

Sunshine

In Ferris, Illinois, the average sunshine in May is 8.9h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the temperature in May in Ferris?

The high-temperature, in May, in Ferris, is 71.4°F (21.9°C), while the low-temperature averages to 54.7°F (12.6°C).

What is the average humidity in May in Ferris?

The average relative humidity in May is 79%.

What is the wettest month in Ferris?

May is the month with the most rainfall in Ferris, Illinois. Rain falls for 16.8 days and accumulates 2.87" (73mm) of precipitation.

How much does it rain in Ferris in May?

In Ferris, in May, it is raining for 16.8 days, with typically 2.87" (73mm) of accumulated precipitation.

When it does not snow in Ferris?

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

Does it snow in Ferris in May?

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

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

In May, the average day length in Ferris is 14h and 27min.

When is the sunrise / sunset in May in Ferris?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 8:00 pm. On the last day of the month, in Ferris, Illinois, sunrise is at 5:36 am and sunset at 8:28 pm CDT.

How many hours of sunshine does Ferris have in May?

The average sunshine duration in May in Ferris, Illinois, is 8.9h.

What is the UV index reading in May in Ferris?

In May, the average daily maximum UV index in Ferris is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Ferris, IL

Average temperature in May - Ferris, IL
  • Average high temperature in May: 71.4°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in May: 54.7°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

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Average pressure in May
Ferris, IL

Average pressure in May - Ferris, IL
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in May
Ferris, IL

Average wind speed in May - Ferris, IL
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in May
Ferris, IL

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

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Ferris, IL

Average rainfall in May - Ferris, IL
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in May
Ferris, IL

Average rainfall days in May - Ferris, IL
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in May
Ferris, IL

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

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Ferris, IL

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

The month with the highest number of snowfall days is January (8.2 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
Ferris, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in May
Ferris, IL

Average sunshine days in May - Ferris, IL
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (11.6 days).

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Average UV index in May
Ferris, IL

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Ferris, IL

Average cloud cover in May - Ferris, IL
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 29).

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Average visibility in May
Ferris, IL

Average visibility in May - Ferris, 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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Ferris, Illinois, USA

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