May weather forecast
Sesser, IL

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Weather in May

May, the last month of the spring in Sesser, is a moderately hot month, with an average temperature fluctuating between 75.2°F (24°C) and 58.1°F (14.5°C).

Temperature

Sesser's weather shows a temperature rise with the arrival of May, moving from an enjoyable 65.8°F (18.8°C) in April to a warm 75.2°F (24°C). Sesser's average low-temperature in the month of May is recorded at a mild 58.1°F (14.5°C).

Humidity

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

Rainfall

In Sesser, during May, the rain falls for 13.9 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 122.7 rainfall days, and 18.03" (458mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in May is 14h and 15min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:47 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:13 pm CDT.

Sunshine

In May, the average sunshine is 9.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 in May translates into these instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

The high-temperature, in May, in Sesser, records 75.2°F (24°C), while the low-temperature is 58.1°F (14.5°C).

What is the most humid month?

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

What is the average humidity in May?

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

How much does it rain in May?

In Sesser, in May, during 13.9 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When it does not snow?

In Sesser, 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.

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

In Sesser, the average day length in May is 14h and 15min.

When is the sunrise / sunset in May in Sesser?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:13 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9.1h.

When is the highest UV index?

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

How high is the UV index in May?

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 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
Sesser, IL

Average temperature in May - Sesser, IL
  • Average high temperature in May: 75.2°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 58.1°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
Sesser, IL

Average pressure in May - Sesser, IL
  • Average pressure in May: 29.97"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
Sesser, IL

Average wind speed in May - Sesser, IL
  • Average wind speed in May: 8mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

Average humidity in May
Sesser, IL

Average humidity in May - Sesser, 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 (70%).

Average rainfall in May
Sesser, IL

Average rainfall in May - Sesser, IL
  • Average rainfall in May: 2.05"

The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (0.98").

Average rainfall days in May
Sesser, IL

Average rainfall days in May - Sesser, IL
  • Average rainfall days in May: 13.9 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in May
Sesser, IL

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

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Sesser, IL

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

The month with the highest number of snowfall days is January (4.5 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
Sesser, IL

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

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 1min

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

Average sunshine days in May
Sesser, IL

Average sunshine days in May - Sesser, IL
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in May
Sesser, IL

Average UV index in May - Sesser, 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, November and December (UV index 2).

Average cloud cover in May
Sesser, IL

Average cloud cover in May - Sesser, IL
  • Average cloud cover in May: 38

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in May
Sesser, IL

Average visibility in May - Sesser, 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).

Sesser, Illinois, USA

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