May weather forecast
Oconee, IL

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Weather in May

May, the last month of the spring in Oconee, is a pleasant month, with an average temperature fluctuating between 57°F (13.9°C) and 73°F (22.8°C).

Temperature

The arrival of May brings a temperature shift, with the average high-temperature escalating from a comfortable 63.1°F (17.3°C) in April to a pleasant 73°F (22.8°C). In the month of May, Oconee records a consistent average low-temperature of 57°F (13.9°C).

Humidity

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

Rainfall

In Oconee, during May, the rain falls for 15.2 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, in Oconee, Illinois, there are 129.9 rainfall days, and 17.6" (447mm) of precipitation is accumulated.

Snowfall

In Oconee, snow does not fall in May through October.

Daylight

In May, the average length of the day is 14h and 21min.
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 5:31 am and sunset at 8:16 pm CDT.

Sunshine

The average sunshine in May is 9.2h.

UV index

In May, the average daily maximum UV index in Oconee is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 usual temperature for Oconee in May?

May temperatures vary between a high-temperature of 73°F (22.8°C) and a low-temperature of 57°F (13.9°C).

What is the average humidity in May in Oconee?

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

How many days does it rain in May in Oconee?

In May, in Oconee, Illinois, the rain falls for 15.2 days. Throughout May, 1.93" (49mm) of precipitation is accumulated.

When it does not snow in Oconee?

In Oconee, snow does not fall in May through October.

Does it snow in Oconee in May?

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

What is the average length of the day in May in Oconee?

In Oconee, the average day length in May is 14h and 21min.

What time are sunrise and sunset in May in Oconee?

In May, on the first day of the month, sunrise is at 5:56 am and sunset at 7:50 pm. On the last day of the month, in Oconee, sunrise is at 5:31 am and sunset at 8:16 pm CDT.

How many hours of sunshine does Oconee have in May?

The average sunshine duration in May is 9.2h.

What is the UV index intensity in May in Oconee?

In May, the average daily maximum UV index in Oconee, Illinois, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Oconee, IL

Average temperature in May - Oconee, IL
  • Average high temperature in May: 73°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in May
Oconee, IL

Average pressure in May - Oconee, 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
Oconee, IL

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

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity in May
Oconee, IL

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

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Oconee, IL

Average rainfall in May - Oconee, IL
  • Average rainfall in May: 1.93"

The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are February and December (0.98").

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Average rainfall days in May
Oconee, IL

Average rainfall days in May - Oconee, IL
  • Average rainfall days in May: 15.2 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in May
Oconee, IL

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

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Oconee, IL

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

The months with the highest number of snowfall days are January and February (6.3 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
Oconee, IL

Average daylight in May / Average sunshine in May - Oconee, 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 30min).

  • 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 12min).

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Average sunshine days in May
Oconee, IL

Average sunshine days in May - Oconee, IL
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (13.1 days).

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Average UV index in May
Oconee, IL

Average UV index in May - Oconee, 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
Oconee, IL

Average cloud cover in May - Oconee, IL
  • Average cloud cover in May: 39

The months with the most cloud cover are January and February (Cloud cover 54).
The months with the least cloud cover are June and September (Cloud cover 29).

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Average visibility in May
Oconee, IL

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

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

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Oconee, Illinois, USA

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