May weather forecast
Assumption, IL

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Weather in May

May, the last month of the spring in Assumption, is an agreeable month, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 72.9°F (22.7°C).

Temperature

May's onset brings a rise in the average high-temperature, moving from a refreshing 62.4°F (16.9°C) in April to an agreeable 72.9°F (22.7°C). During May, Assumption's temperature averages to a mild 56.7°F (13.7°C) at night.

Humidity

The average relative humidity in May in Assumption is 78%.

Rainfall

The months with the most rainfall in Assumption, Illinois, are April and May, with an average 2.91" (74mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Assumption, the average length of the day in May is 14h and 22min.
On the first day of the month, sunrise is at 5:56 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:17 pm CDT.

Sunshine

In Assumption, the average sunshine in May is 9.2h.

UV index

In May, the average daily maximum UV index in Assumption, Illinois, is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What is the usual temperature for Assumption in May?

During May, Assumption experiences an average high-temperature of 72.9°F (22.7°C) and a low-temperature of 56.7°F (13.7°C).

What is the average humidity in May in Assumption?

In Assumption, Illinois, the average relative humidity in May is 78%.

What is the wettest month in Assumption?

The months with the most rainfall in Assumption, Illinois, are April and May, with an average 2.91" (74mm) of precipitation.

How much does it rain in Assumption in May?

In Assumption, in May, it is raining for 17.8 days, with typically 2.91" (74mm) of accumulated precipitation.

When it does not snow in Assumption?

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

How many hours of daylight does Assumption have in May?

In Assumption, Illinois, the average day length in May is 14h and 22min.

When is the sunrise / sunset in May in Assumption?

On the first day of May, sunrise is at 5:56 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:17 pm CDT.

How long on average sun shines in May in Assumption?

In May, the average sunshine duration is 9.2h.

How high is the UV index in May in Assumption?

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

Average temperature in May - Assumption, IL
  • Average high temperature in May: 72.9°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 (33.6°F).

  • Average low temperature in May: 56.7°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in May
Assumption, IL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Assumption, IL

Average wind speed in May - Assumption, IL
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in May
Assumption, IL

Average humidity in May - Assumption, IL
  • Average humidity in May: 78%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Assumption, IL

Average rainfall in May - Assumption, IL
  • Average rainfall in May: 2.91"

The wettest months (with the highest rainfall) are April and May (2.91").
The driest months (with the least rainfall) are February and December (1.38").

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Average rainfall days in May
Assumption, IL

Average rainfall days in May - Assumption, IL
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in May
Assumption, IL

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

The month with the highest snowfall is February (2.8").
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
Assumption, IL

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

The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Assumption, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • 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 6min).

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Average sunshine days in May
Assumption, IL

Average sunshine days in May - Assumption, IL
  • Average sunshine days in May: 11.6 days

The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in May
Assumption, IL

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

The months with the highest UV index are 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
Assumption, IL

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

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

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Average visibility in May
Assumption, IL

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

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