May weather forecast
Macomb, IL

Weather in May

The last month of the spring, May, is a pleasant month in Macomb, Illinois, with average temperature fluctuating between 71.6°F (22°C) and 54.9°F (12.7°C).

Temperature

In May, the average high-temperature rises, from an enjoyable 61.3°F (16.3°C) in April, to a pleasant 71.6°F (22°C). In Macomb, the average low-temperature is 54.9°F (12.7°C).

Humidity

In Macomb, the average relative humidity is 79%.

Rainfall

May is the month with the most rainfall in Macomb. Rain falls for 16.2 days and accumulates 2.56" (65mm) of precipitation.

Snowfall

In Macomb snow does not fall through September.

Daylight

In May, the average length of the day is 14.5h.

Sunshine

The average sunshine in Macomb is 8.9h.

UV index

In May, the average daily maximum UV index in Macomb is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in May in Macomb?

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

What is the rainiest month in Macomb?

The month with the most rainfall is May when the rain falls for 16.2 days and typically aggregates up to 2.56" (65mm) of precipitation.

How much does it rain in Macomb in May?

In Macomb, in May, it is raining for 16.2 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow in Macomb?

May through September are months without snowfall.

Does it snow in Macomb in May?

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

How many hours of daylight does Macomb have in May?

In May, the average length of the day in Macomb is 14.5h.

How many hours of sunshine does Macomb have in May?

The average sunshine in May in Macomb is 8.9h.

How high is the UV index in May in Macomb?

The average daily maximum UV index in May in Macomb, Illinois, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in May
Macomb, IL

Average temperature in May - Macomb, IL
  • Average high temperature in May: 71.6°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in May: 54.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19°F).

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Average pressure in May
Macomb, IL

Average pressure in May - Macomb, IL
  • Average pressure in May: 29.94"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in May
Macomb, IL

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

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in May
Macomb, IL

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

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Macomb, IL

Average rainfall in May - Macomb, IL
  • Average rainfall in May: 2.56"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in May
Macomb, IL

Average rainfall days in May - Macomb, IL
  • Average rainfall days in May: 16.2 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (4.2 days).

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Average snowfall in May
Macomb, IL

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

The month with the highest snowfall is January (1.89").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Macomb, IL

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

The month with the highest number of snowfall days is January (7.6 days).
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
Macomb, IL

Average daylight in May / Average sunshine in May - Macomb, IL
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 8.9h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 4.1h).

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Average sunshine days in May
Macomb, IL

Average sunshine days in May - Macomb, IL
  • Average sunshine days in May: 12.9 days

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is June (12.2 days).

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Average UV index in May
Macomb, IL

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

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Macomb, IL

Average cloud cover in May - Macomb, IL
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 56).
Months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in May
Macomb, IL

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

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

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