May weather forecast
Jerome, IL

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Weather in May

The last month of the spring, May, is an agreeable month in Jerome, Illinois, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 72.9°F (22.7°C).

Temperature

May's arrival signals an increase in average high-temperatures, moving from April's refreshing 63.3°F (17.4°C) to an agreeable 72.9°F (22.7°C). May brings an average low-temperature of 56.1°F (13.4°C) to Jerome.

Humidity

The average relative humidity in May is 78%.

Rainfall

In Jerome, in May, during 12.5 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 104.2 rainfall days, and 9.29" (236mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Jerome.

Daylight

In Jerome, the average length of the day in May is 14h and 23min.
On the first day of May, sunrise is at 5:58 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:20 pm CDT.

Sunshine

The average sunshine in May is 9.3h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum daily UV index of 5 during May morphs into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

The high-temperature, in May, in Jerome, records 72.9°F (22.7°C), while the low-temperature is 56.1°F (13.4°C).

What is the average humidity in May?

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

How much does it rain in May?

In Jerome, in May, during 12.5 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in Jerome in May?

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

How many hours of daylight does Jerome have in May?

The average day length in May is 14h and 23min.

When is the sunrise / sunset in May in Jerome?

On the first day of May, sunrise is at 5:58 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:20 pm CDT.

How many hours of sunshine does Jerome have in May?

In May, the average sunshine duration is 9.3h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
Jerome, IL

Average temperature in May - Jerome, IL
  • Average high temperature in May: 72.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in May: 56.1°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 (21.4°F).

Average pressure in May
Jerome, IL

Average pressure in May - Jerome, IL
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Jerome, IL

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in May
Jerome, IL

Average humidity in May - Jerome, 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%).

Average rainfall in May
Jerome, IL

Average rainfall in May - Jerome, IL
  • Average rainfall in May: 1.06"

The wettest month (with the highest rainfall) is June (1.22").
The driest month (with the least rainfall) is December (0.43").

Average rainfall days in May
Jerome, IL

Average rainfall days in May - Jerome, IL
  • Average rainfall days in May: 12.5 days

The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is January (4.4 days).

Average snowfall in May
Jerome, IL

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

The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Jerome, IL

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

The month with the highest number of snowfall days is January (5.7 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
Jerome, IL

Average daylight in May / Average sunshine in May - Jerome, 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 2min

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).

Average sunshine days in May
Jerome, IL

Average sunshine days in May - Jerome, IL
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is June (14 days).

Average UV index in May
Jerome, IL

Average UV index in May - Jerome, 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).

Average cloud cover in May
Jerome, IL

Average cloud cover in May - Jerome, IL
  • Average cloud cover in May: 38

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

Average visibility in May
Jerome, IL

Average visibility in May - Jerome, 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).

Jerome, Illinois, USA

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