May weather forecast
Millstadt, IL

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Weather in May

May, the last month of the spring in Millstadt, is a warm month, with an average temperature ranging between min 57.9°F (14.4°C) and max 74.8°F (23.8°C).

Temperature

In Millstadt, the average high-temperature in May increases from an enjoyable 65.7°F (18.7°C) in April to a moderately hot 74.8°F (23.8°C). During the month of May, the nighttime temperature in Millstadt falls to an average of 57.9°F (14.4°C).

Humidity

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

Rainfall

The month with the most rainfall is May, when the rain falls for 15.1 days and typically aggregates up to 2.95" (75mm) of precipitation.

Snowfall

In Millstadt, snow does not fall in April through October.

Daylight

In Millstadt, the average length of the day in May is 14h and 17min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:52 pm. On the last day of May, in Millstadt, sunrise is at 5:38 am and sunset at 8:18 pm CDT.

Sunshine

In Millstadt, the average sunshine in May is 9.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What is the usual temperature for Millstadt in May?

The high-temperature in Millstadt during May is 74.8°F (23.8°C) and the low-temperature is 57.9°F (14.4°C).

What is the most humid month in Millstadt?

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

What is the average humidity in May in Millstadt?

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

What is the wettest month in Millstadt?

May is the month with the most rainfall. Rain falls for 15.1 days and accumulates 2.95" (75mm) of precipitation.

How much does it rain in Millstadt in May?

In Millstadt, Illinois, in May, during 15.1 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

When it does not snow in Millstadt?

April through October are months without snowfall in Millstadt, Illinois.

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

In May, the average day length in Millstadt, Illinois, is 14h and 17min.

What time are sunrise and sunset in May in Millstadt?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 7:52 pm. On the last day of the month, in Millstadt, Illinois, sunrise is at 5:38 am and sunset at 8:18 pm CDT.

How long on average sun shines in May in Millstadt?

In Millstadt, the average sunshine duration in May is 9.4h.

What is the month with the highest UV index in Millstadt?

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

What is the UV index intensity in May in Millstadt?

In Millstadt, Illinois, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Millstadt, IL

Average temperature in May - Millstadt, IL
  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in May: 57.9°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in May
Millstadt, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Millstadt, IL

Average wind speed in May - Millstadt, IL
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

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Average humidity in May
Millstadt, IL

Average humidity in May - Millstadt, 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 (71%).

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Average rainfall in May
Millstadt, IL

Average rainfall in May - Millstadt, IL
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is February (1.1").

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Average rainfall days in May
Millstadt, IL

Average rainfall days in May - Millstadt, IL
  • Average rainfall days in May: 15.1 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (6 days).

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Average snowfall in May
Millstadt, IL

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

The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Millstadt, IL

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

The month with the highest number of snowfall days is January (5.8 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
Millstadt, IL

Average daylight in May / Average sunshine in May - Millstadt, 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 30min).

  • Average sunshine in May: 9h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in May
Millstadt, IL

Average sunshine days in May - Millstadt, IL
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is July (12.1 days).

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Average UV index in May
Millstadt, IL

Average UV index in May - Millstadt, 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).

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Average cloud cover in May
Millstadt, IL

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

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).

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Average visibility in May
Millstadt, IL

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

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