May weather forecast
Arrowsmith, IL

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Weather in May

The last month of the spring, May, is an agreeable month in Arrowsmith, Illinois, with an average temperature varying between 55.6°F (13.1°C) and 72°F (22.2°C).

Temperature

A shift in the average high-temperature is noticeable in May, changing from a comfortable 61.2°F (16.2°C) in April to an agreeable 72°F (22.2°C). An average low-temperature of 55.6°F (13.1°C) is common in Arrowsmith during the nights of May.

Humidity

The average relative humidity in May in Arrowsmith is 77%.

Rainfall

May is the month with the most rainfall in Arrowsmith. Rain falls for 17.5 days and accumulates 2.87" (73mm) of precipitation.

Snowfall

May through October are months without snowfall in Arrowsmith.

Daylight

In Arrowsmith, the average length of the day in May is 14h and 27min.
On the first day of May, sunrise is at 5:52 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:18 pm CDT.

Sunshine

The average sunshine in May in Arrowsmith is 9h.

UV index

The average daily maximum UV index in May in Arrowsmith is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 5 suggests these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What is the average May temperature in Arrowsmith?

The high-temperature, in May, in Arrowsmith, is 72°F (22.2°C), while the low-temperature averages to 55.6°F (13.1°C).

What is the average humidity in May in Arrowsmith?

In Arrowsmith, the average relative humidity in May is 77%.

What is the wettest month in Arrowsmith?

May is the month with the most rainfall in Arrowsmith, Illinois. Rain falls for 17.5 days and accumulates 2.87" (73mm) of precipitation.

How much does it rain in Arrowsmith in May?

In May, in Arrowsmith, the rain falls for 17.5 days. Throughout May, 2.87" (73mm) of precipitation is accumulated.

When it does not snow in Arrowsmith?

May through October are months without snowfall in Arrowsmith, Illinois.

Does it snow in Arrowsmith 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 Arrowsmith?

In May, the average day length in Arrowsmith, Illinois, is 14h and 27min.

When is the sunrise / sunset in May in Arrowsmith?

On the first day of May, sunrise is at 5:52 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:18 pm CDT.

How long on average sun shines in May in Arrowsmith?

In Arrowsmith, the average sunshine duration in May is 9h.

What is the UV index intensity in May in Arrowsmith?

The average daily maximum UV index in May in Arrowsmith is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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
Arrowsmith, IL

Average temperature in May - Arrowsmith, IL
  • Average high temperature in May: 72°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in May: 55.6°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in May
Arrowsmith, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Arrowsmith, IL

Average wind speed in May - Arrowsmith, IL
  • Average wind speed in May: 9.1mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in May
Arrowsmith, IL

Average humidity in May - Arrowsmith, IL
  • Average humidity in May: 77%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Arrowsmith, IL

Average rainfall in May - Arrowsmith, IL
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is December (1.1").

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Average rainfall days in May
Arrowsmith, IL

Average rainfall days in May - Arrowsmith, IL
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall in May
Arrowsmith, IL

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

The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Arrowsmith, IL

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

The month with the highest number of snowfall days is January (9.8 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
Arrowsmith, IL

Average daylight in May / Average sunshine in May - Arrowsmith, IL
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in May
Arrowsmith, IL

Average sunshine days in May - Arrowsmith, IL
  • Average sunshine days in May: 10.6 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in May
Arrowsmith, IL

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

The months with the highest UV index are June and July (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
Arrowsmith, IL

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).

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Average visibility in May
Arrowsmith, IL

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

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

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Arrowsmith, Illinois, USA

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