May weather forecast
Zeigler, IL

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Weather in May

The last month of the spring, May, is a warm month in Zeigler, Illinois, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 58.1°F (14.5°C).

Temperature

With the onset of May, the average high-temperature slightly shifts from April's comfortable 66.4°F (19.1°C) to a warm 75.6°F (24.2°C). Zeigler reports an average nighttime low-temperature of 58.1°F (14.5°C) in May.

Humidity

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

Rainfall

In Zeigler, in May, during 18.5 rainfall days, 4.25" (108mm) of precipitation is typically accumulated. Throughout the year, there are 167.2 rainfall days, and 37.68" (957mm) of precipitation is accumulated.

Snowfall

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

Daylight

In May, the average length of the day is 14h and 14min.
On the first day of May, sunrise is at 5:59 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:12 pm CDT.

Sunshine

In May, the average sunshine is 9.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What is the usual temperature for Zeigler in May?

An average high-temperature, in May, in Zeigler, is 75.6°F (24.2°C) and the average low-temperature is 58.1°F (14.5°C).

What is the most humid month?

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

What is the average humidity in May?

In May, the average relative humidity is 79%.

How many days does it rain in May?

In Zeigler, in May, it is raining for 18.5 days, with typically 4.25" (108mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

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 Zeigler, the average day length in May is 14h and 14min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:12 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.2h.

When is the highest UV index?

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

What is the UV index reading in May?

In Zeigler, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Zeigler, IL

Average temperature in May - Zeigler, IL
  • Average high temperature in May: 75.6°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°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 (26.1°F).

Average pressure in May
Zeigler, IL

Average pressure in May - Zeigler, 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 (29.94"Hg).

Average wind speed in May
Zeigler, IL

Average wind speed in May - Zeigler, IL
  • Average wind speed in May: 7.9mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in May
Zeigler, IL

Average humidity in May - Zeigler, 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
Zeigler, IL

Average rainfall in May - Zeigler, IL
  • Average rainfall in May: 4.25"

The wettest month (with the highest rainfall) is April (4.92").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in May
Zeigler, IL

Average rainfall days in May - Zeigler, IL
  • Average rainfall days in May: 18.5 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in May
Zeigler, IL

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

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Zeigler, IL

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

The month with the highest number of snowfall days is January (6.1 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
Zeigler, IL

Average daylight in May / Average sunshine in May - Zeigler, 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 1min

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 36min).

Average sunshine days in May
Zeigler, IL

Average sunshine days in May - Zeigler, IL
  • Average sunshine days in May: 10 days

The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).

Average UV index in May
Zeigler, IL

Average UV index in May - Zeigler, 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).

Average cloud cover in May
Zeigler, IL

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

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in May
Zeigler, IL

Average visibility in May - Zeigler, 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).

Zeigler, Illinois, USA

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