May weather forecast
Germantown, IL

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Weather in May

May, the last month of the spring in Germantown, is a moderately hot month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 74.7°F (23.7°C).

Temperature

As Germantown, Illinois, transitions into May, the average high-temperature shows a change, moving from an enjoyable 64.6°F (18.1°C) in April to a moderately hot 74.7°F (23.7°C). Germantown usually reports an average low-temperature of 57.7°F (14.3°C) during the month of May.

Humidity

The average relative humidity in May in Germantown is 79%.

Rainfall

In Germantown, Illinois, in May, during 17.9 rainfall days, 4.29" (109mm) of precipitation is typically accumulated. In Germantown, Illinois, during the entire year, the rain falls for 157.2 days and collects up to 36.18" (919mm) of precipitation.

Snowfall

In Germantown, snow does not fall in May through October.

Daylight

The average length of the day in May in Germantown is 14h and 17min.
On the first day of May in Germantown, sunrise is at 5:59 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:16 pm CDT.

Sunshine

The average sunshine in May in Germantown is 9.1h.

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 unprotected exposure to Sun's UV rays for the average person.
Note: In May, a regular UV index of 6 translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What is the usual temperature for Germantown in May?

The high-temperature, in May, in Germantown, is 74.7°F (23.7°C), while the low-temperature averages to 57.7°F (14.3°C).

What is the average humidity in May in Germantown?

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

How much does it rain in Germantown in May?

In Germantown, in May, it is raining for 17.9 days, with typically 4.29" (109mm) of accumulated precipitation.

When it does not snow in Germantown?

May through October are months without snowfall.

Does it snow in Germantown in May?

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

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

The average day length in May in Germantown, Illinois, is 14h and 17min.

When are sunrise and sunset in May in Germantown?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 7:50 pm. On the last day of the month, in Germantown, Illinois, sunrise is at 5:35 am and sunset at 8:16 pm CDT.

How many hours of sunshine does Germantown have in May?

The average sunshine duration in May is 9.1h.

When is the highest UV index in Germantown?

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

What is the UV index intensity in May in Germantown?

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

Average temperature in May - Germantown, IL
  • Average high temperature in May: 74.7°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in May: 57.7°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in May
Germantown, IL

Average pressure in May - Germantown, 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 (29.93"Hg).

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Average wind speed in May
Germantown, IL

Average wind speed in May - Germantown, IL
  • Average wind speed in May: 7.8mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

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Average humidity in May
Germantown, IL

Average humidity in May - Germantown, IL
  • Average humidity in May: 79%

The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Germantown, IL

Average rainfall in May - Germantown, IL
  • Average rainfall in May: 4.29"

The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in May
Germantown, IL

Average rainfall days in May - Germantown, IL
  • Average rainfall days in May: 17.9 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in May
Germantown, IL

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

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Germantown, IL

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

The month with the highest number of snowfall days is January (7.5 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
Germantown, IL

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

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in May
Germantown, IL

Average sunshine days in May - Germantown, IL
  • Average sunshine days in May: 10.5 days

The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (10.5 days).

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Average UV index in May
Germantown, IL

Average UV index in May - Germantown, 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).

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Average cloud cover in May
Germantown, IL

Average cloud cover in May - Germantown, IL
  • Average cloud cover in May: 39

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

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Average visibility in May
Germantown, IL

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

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