May weather forecast
Morris, IL

Weather in May

May, the last month of the spring, in Morris, is an agreeable month, with average temperature fluctuating between 53.2°F (11.8°C) and 70.7°F (21.5°C).

Temperature

In Morris, the average high-temperature in May increases, from a mild 58.8°F (14.9°C) in April, to a pleasant 70.7°F (21.5°C). The average low-temperature, in Morris, is 53.2°F (11.8°C).

Humidity

In Morris, the average relative humidity is 76%.

Rainfall

May is the month with the most rainfall in Morris. Rain falls for 19.8 days and accumulates 4.96" (126mm) of precipitation.

Snowfall

In Morris, Illinois, snow does not fall through September.

Daylight

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

Sunshine

In May, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in Morris is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in May in Morris?

The average relative humidity in May is 76%.

What is the rainiest month in Morris?

May is the month with the most rainfall in Morris. Rain falls for 19.8 days and accumulates 4.96" (126mm) of precipitation.

How much does it rain in Morris in May?

In Morris, during May, the rain falls for 19.8 days and regularly aggregates up to 4.96" (126mm) of precipitation.

When it does not snow in Morris?

In Morris snow does not fall in May through September.

Does it snow in Morris in May?

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

How many hours of daylight does Morris have in May?

The average length of the day in May in Morris, Illinois, is 14.5h.

How many hours of sunshine does Morris have in May?

In Morris, Illinois, the average sunshine in May is 8.7h.

What is the UV index reading in May in Morris?

In May, the average daily maximum UV index in Morris, Illinois, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in May
Morris, IL

Average temperature in May - Morris, IL
  • Average high temperature in May: 70.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in May: 53.2°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

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Average pressure in May
Morris, IL

Average pressure in May - Morris, IL
  • Average pressure in May: 29.96"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in May
Morris, IL

Average wind speed in May - Morris, IL
  • Average wind speed in May: 8.5mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in May
Morris, IL

Average humidity in May - Morris, IL
  • Average humidity in May: 76%

Months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in May
Morris, IL

Average rainfall in May - Morris, IL
  • Average rainfall in May: 4.96"

The wettest month (with the highest rainfall) is May (4.96").
The driest month (with the least rainfall) is November (1.73").

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Average rainfall days in May
Morris, IL

Average rainfall days in May - Morris, IL
  • Average rainfall days in May: 19.8 days

The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is February (6.2 days).

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Average snowfall in May
Morris, IL

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

The month with the highest snowfall is February (4.8").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Morris, IL

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

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

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

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in May: 8.7h

The month with the most sunshine is June (Average sunshine: 9.7h).
The month with the least sunshine is January (Average sunshine: 3.9h).

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Average sunshine days in May
Morris, IL

Average sunshine days in May - Morris, IL
  • Average sunshine days in May: 8.8 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is July (7.3 days).

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Average UV index in May
Morris, IL

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

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Morris, IL

Average cloud cover in May - Morris, IL
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 59).
Months with the least cloud cover are August and September (Cloud cover 33).

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Average visibility in May
Morris, IL

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

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

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