May weather forecast
Adeline, IL

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Weather in May

The last month of the spring, May, is an agreeable month in Adeline, Illinois, with an average temperature varying between 68.5°F (20.3°C) and 51.4°F (10.8°C).

Temperature

May's onset is marked by a temperature increase, moving from a moderate 56.5°F (13.6°C) in April to a pleasant 68.5°F (20.3°C). In Adeline, the average low-temperature during the month of May is a fresh 51.4°F (10.8°C).

Humidity

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

Rainfall

In Adeline, Illinois, in May, it is raining for 18.3 days, with typically 3.19" (81mm) of accumulated precipitation. In Adeline, during the entire year, the rain falls for 145.6 days and collects up to 23.43" (595mm) of precipitation.

Snowfall

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

Daylight

In May, the average length of the day is 14h and 36min.
On the first day of the month, sunrise is at 5:52 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:24 am and sunset at 8:27 pm CDT.

Sunshine

In May, the average sunshine in Adeline is 8.4h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Adeline. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What are the temperatures in Adeline in May?

The average high-temperature and low-temperature in Adeline during May are 68.5°F (20.3°C) and 51.4°F (10.8°C) respectively.

What is the average humidity in May in Adeline?

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

How much does it rain in Adeline in May?

In May, in Adeline, the rain falls for 18.3 days. Throughout May, 3.19" (81mm) of precipitation is accumulated.

When it does not snow in Adeline?

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

Does it snow in Adeline in May?

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

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

In Adeline, the average day length in May is 14h and 36min.

What time are sunrise and sunset in May in Adeline?

In May, on the first day of the month, sunrise is at 5:52 am and sunset at 7:57 pm. On the last day of the month, in Adeline, Illinois, sunrise is at 5:24 am and sunset at 8:27 pm CDT.

How many hours of sunshine does Adeline have in May?

The average sunshine duration in May in Adeline is 8.4h.

When is the highest UV index in Adeline?

The months with the highest UV index in Adeline are May through August, with an average maximum UV index of 5.

How high is the UV index in May in Adeline?

In May, the average daily maximum UV index in Adeline, Illinois, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Adeline, IL

Average temperature in May - Adeline, IL
  • Average high temperature in May: 68.5°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in May
Adeline, IL

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Adeline, IL

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

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in May
Adeline, IL

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

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (75%).

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Average rainfall in May
Adeline, IL

Average rainfall in May - Adeline, IL
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is June (3.39").
The driest months (with the least rainfall) are February and December (1.06").

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Average rainfall days in May
Adeline, IL

Average rainfall days in May - Adeline, IL
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5 days).

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Average snowfall in May
Adeline, IL

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

The month with the highest snowfall is January (3.54").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Adeline, IL

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

The month with the highest number of snowfall days is January (12.4 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
Adeline, IL

Average daylight in May / Average sunshine in May - Adeline, IL
  • Average daylight in May: 14h and 4min

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

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in May
Adeline, IL

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

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (9.7 days).

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Average UV index in May
Adeline, IL

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Adeline, IL

Average cloud cover in May - Adeline, IL
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 33).

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Average visibility in May
Adeline, IL

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

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

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Adeline, Illinois, USA

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