May weather forecast
Onarga, IL

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Weather in May

The last month of the spring, May, is an agreeable month in Onarga, Illinois, with an average temperature fluctuating between 54.9°F (12.7°C) and 71.4°F (21.9°C).

Temperature

The shift from April to May brings an increase in the average high-temperature, moving from a refreshing 59.5°F (15.3°C) to a pleasant 71.4°F (21.9°C). An average low-temperature of 54.9°F (12.7°C) is recorded in the month of May in Onarga.

Humidity

In May, the average relative humidity in Onarga is 76%.

Rainfall

May is the month with the most rainfall in Onarga. Rain falls for 17.3 days and accumulates 2.44" (62mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day in Onarga is 14h and 28min.
On the first day of May, sunrise is at 5:49 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:16 pm CDT.

Sunshine

The average sunshine in May in Onarga, Illinois, is 8.8h.

UV index

In Onarga, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Onarga in May?

Onarga in May has an average high-temperature of 71.4°F (21.9°C) and an average low-temperature of 54.9°F (12.7°C).

What is the average humidity in May in Onarga?

In Onarga, Illinois, the average relative humidity in May is 76%.

What is the rainiest month in Onarga?

The month with the most rainfall in Onarga, Illinois, is May, when the rain falls for 17.3 days and typically aggregates up to 2.44" (62mm) of precipitation.

How many days does it rain in May in Onarga?

In Onarga, Illinois, during May, the rain falls for 17.3 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow in Onarga?

In Onarga, Illinois, snow does not fall in May through October.

Does it snow in Onarga 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 Onarga?

In May, the average day length in Onarga is 14h and 28min.

When are sunrise and sunset in May in Onarga?

On the first day of May in Onarga, Illinois, sunrise is at 5:49 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:16 pm CDT.

How many hours of sunshine does Onarga have in May?

In Onarga, Illinois, the average sunshine duration in May is 8.8h.

What is the UV index reading in May in Onarga?

In Onarga, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes 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
Onarga, IL

Average temperature in May - Onarga, IL
  • Average high temperature in May: 71.4°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in May: 54.9°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 (18.7°F).

Average pressure in May
Onarga, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Onarga, IL

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in May
Onarga, IL

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

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

Average rainfall in May
Onarga, IL

Average rainfall in May - Onarga, IL
  • Average rainfall in May: 2.44"

The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January, February and December (0.91").

Average rainfall days in May
Onarga, IL

Average rainfall days in May - Onarga, IL
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (5.5 days).

Average snowfall in May
Onarga, IL

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

The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Onarga, IL

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

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Onarga, IL
  • Average daylight in May: 14h and 3min

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: 8h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
Onarga, IL

Average sunshine days in May - Onarga, IL
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in May
Onarga, IL

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Onarga, IL

Average cloud cover in May - Onarga, IL
  • Average cloud cover in May: 41

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

Average visibility in May
Onarga, IL

Average visibility in May - Onarga, 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).

Onarga, Illinois, USA

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