May weather forecast
Seatonville, IL

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Weather in May

The last month of the spring, May, is a pleasant month in Seatonville, Illinois, with an average temperature ranging between min 53.6°F (12°C) and max 71.1°F (21.7°C).

Temperature

With the onset of May, Seatonville's average high-temperature experiences a rise, moving from April's refreshing 59°F (15°C) to an agreeable 71.1°F (21.7°C). In May, Seatonville encounters an average low-temperature of 53.6°F (12°C) during the night.

Humidity

The average relative humidity in May in Seatonville is 77%.

Rainfall

May is the month with the most rainfall in Seatonville. Rain falls for 18.9 days and accumulates 4.69" (119mm) of precipitation.

Snowfall

May through September are months without snowfall in Seatonville.

Daylight

In Seatonville, the average length of the day in May is 14h and 32min.
On the first day of the month, sunrise is at 5:53 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:26 am and sunset at 8:23 pm CDT.

Sunshine

In Seatonville, the average sunshine in May is 8.8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Seatonville in May?

In May, in Seatonville, the average high-temperature is 71.1°F (21.7°C), and the average low-temperature is 53.6°F (12°C).

What is the average humidity in May in Seatonville?

In May, the average relative humidity in Seatonville, Illinois, is 77%.

What is the wettest month in Seatonville?

The month with the most rainfall in Seatonville is May, when the rain falls for 18.9 days and typically aggregates up to 4.69" (119mm) of precipitation.

How many days does it rain in May in Seatonville?

In Seatonville, Illinois, during May, the rain falls for 18.9 days and regularly aggregates up to 4.69" (119mm) of precipitation.

When it does not snow in Seatonville?

May through September are months without snowfall in Seatonville.

Does it snow in Seatonville in May?

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

How many hours of daylight does Seatonville have in May?

In Seatonville, the average day length in May is 14h and 32min.

When are sunrise and sunset in May in Seatonville?

In May, on the first day of the month, sunrise is at 5:53 am and sunset at 7:55 pm. On the last day of the month, in Seatonville, Illinois, sunrise is at 5:26 am and sunset at 8:23 pm CDT.

How long on average sun shines in May in Seatonville?

In Seatonville, Illinois, the average sunshine duration in May is 8.8h.

What is the UV index reading in May in Seatonville?

In Seatonville, Illinois, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Seatonville, IL

Average temperature in May - Seatonville, IL
  • Average high temperature in May: 71.1°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in May: 53.6°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in May
Seatonville, IL

Average pressure in May - Seatonville, IL
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Seatonville, IL

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

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in May
Seatonville, IL

Average humidity in May - Seatonville, IL
  • Average humidity in May: 77%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Seatonville, IL

Average rainfall in May - Seatonville, IL
  • Average rainfall in May: 4.69"

The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").

Average rainfall days in May
Seatonville, IL

Average rainfall days in May - Seatonville, IL
  • Average rainfall days in May: 18.9 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in May
Seatonville, IL

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

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Seatonville, IL

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

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Seatonville, IL

Average daylight in May / Average sunshine in May - Seatonville, IL
  • Average daylight in May: 14h and 3min

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

  • Average sunshine in May: 8h and 5min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in May
Seatonville, IL

Average sunshine days in May - Seatonville, IL
  • Average sunshine days in May: 10.3 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).

Average UV index in May
Seatonville, IL

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

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

Average cloud cover in May
Seatonville, IL

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

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).

Average visibility in May
Seatonville, IL

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

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

Seatonville, Illinois, USA

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