May weather forecast
Sidell, IL

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Weather in May

The last month of the spring, May, is an agreeable month in Sidell, Illinois, with an average temperature ranging between max 72.7°F (22.6°C) and min 56.1°F (13.4°C).

Temperature

The shift into May is characterized by a rise in the average high-temperature, transitioning from April's refreshing 62.2°F (16.8°C) to a pleasant 72.7°F (22.6°C). An average minimum temperature of 56.1°F (13.4°C) is recorded during the month of May.

Humidity

In Sidell, the average relative humidity in May is 80%.

Rainfall

In May, the rain falls for 16.8 days. Throughout May, 2.4" (61mm) of precipitation is accumulated. In Sidell, during the entire year, the rain falls for 133.4 days and collects up to 19.49" (495mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Sidell, the average length of the day in May is 14h and 24min.
On the first day of the month, sunrise is at 5:50 am and sunset at 7:46 pm. On the last day of May, in Sidell, sunrise is at 5:24 am and sunset at 8:13 pm CDT.

Sunshine

In May, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in May in Sidell is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the usual temperature for Sidell in May?

May temperatures in Sidell, Illinois, vary between a high-temperature of 72.7°F (22.6°C) and a low-temperature of 56.1°F (13.4°C).

What is the average humidity in May in Sidell?

The average relative humidity in May in Sidell is 80%.

How much does it rain in Sidell in May?

In Sidell, in May, during 16.8 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When it does not snow in Sidell?

In Sidell, Illinois, snow does not fall in May through October.

Does it snow in Sidell in May?

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

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

In May, the average day length in Sidell, Illinois, is 14h and 24min.

What time are sunrise and sunset in May in Sidell?

On the first day of May in Sidell, sunrise is at 5:50 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:13 pm CDT.

How many hours of sunshine does Sidell have in May?

The average sunshine duration in May in Sidell is 8.9h.

What is the UV index reading in May in Sidell?

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

Average temperature in May - Sidell, IL
  • Average high temperature in May: 72.7°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in May: 56.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in May
Sidell, IL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Sidell, IL

Average wind speed in May - Sidell, IL
  • Average wind speed in May: 8.4mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).

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Average humidity in May
Sidell, IL

Average humidity in May - Sidell, IL
  • Average humidity in May: 80%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Sidell, IL

Average rainfall in May - Sidell, IL
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is April (2.76").
The driest month (with the least rainfall) is February (0.94").

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Average rainfall days in May
Sidell, IL

Average rainfall days in May - Sidell, 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 (6.3 days).

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Average snowfall in May
Sidell, IL

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

The month with the highest snowfall is December (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Sidell, IL

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

The month with the highest number of snowfall days is January (6.9 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
Sidell, IL

Average daylight in May / Average sunshine in May - Sidell, 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 24min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in May
Sidell, IL

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

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in May
Sidell, IL

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

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

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Average cloud cover in May
Sidell, IL

Average cloud cover in May - Sidell, IL
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June, August and September (Cloud cover 31).

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Average visibility in May
Sidell, IL

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

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

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Sidell, Illinois, USA

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