May weather forecast
Summerfield, IL

Weather in May

The last month of the spring, May, is a warm month in Summerfield, Illinois, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 57.7°F (14.3°C).

Temperature

In Summerfield, the average high-temperature in May increases from an enjoyable 64.9°F (18.3°C) in April to a warm 74.7°F (23.7°C). The average low-temperature, in May, is 57.7°F (14.3°C).

Humidity

The average relative humidity in May in Summerfield is 79%.

Rainfall

In Summerfield, during May, the rain falls for 17.3 days and regularly aggregates up to 3.58" (91mm) of precipitation. Throughout the year, in Summerfield, there are 151.1 rainfall days, and 30.43" (773mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Summerfield.

Daylight

In Summerfield, the average length of the day in May is 14h and 17min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:50 pm. On the last day of May, in Summerfield, sunrise is at 5:36 am and sunset at 8:16 pm CDT.

Sunshine

In May, the average sunshine is 9.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Summerfield?

In Summerfield, Illinois, in May, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 57.7°F (14.3°C).

What is the average humidity in May in Summerfield?

In May, the average relative humidity is 79%.

How much does it rain in Summerfield in May?

In Summerfield, Illinois, in May, it is raining for 17.3 days, with typically 3.58" (91mm) of accumulated precipitation.

When it does not snow in Summerfield?

May through September are months without snowfall in Summerfield, Illinois.

Does it snow in Summerfield in May?

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

How many hours of daylight does Summerfield have in May?

In Summerfield, the average day length in May is 14h and 17min.

When are sunrise and sunset in May in Summerfield?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:16 pm CDT.

How long on average sun shines in May in Summerfield?

In May, the average sunshine duration in Summerfield is 9.3h.

When is the highest UV index in Summerfield?

The months with the highest UV index in Summerfield are May through August, with an average maximum UV index of 6.

What is the UV index reading in May in Summerfield?

In Summerfield, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Summerfield, IL

Average temperature in May - Summerfield, IL
  • Average high temperature in May: 74.7°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in May: 57.7°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in May
Summerfield, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Summerfield, IL

Average wind speed in May - Summerfield, IL
  • Average wind speed in May: 7.6mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in May
Summerfield, IL

Average humidity in May - Summerfield, IL
  • Average humidity in May: 79%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Summerfield, IL

Average rainfall in May - Summerfield, IL
  • Average rainfall in May: 3.58"

The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is February (1.5").

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Average rainfall days in May
Summerfield, IL

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

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8 days).

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Average snowfall in May
Summerfield, IL

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

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Summerfield, IL

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

The month with the highest number of snowfall days is January (7.5 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
Summerfield, IL

Average daylight in May / Average sunshine in May - Summerfield, IL
  • Average daylight in May: 14h and 17min

The month with the longest days is June (Average daylight: 14h and 49min).
The month with the shortest days is December (Average daylight: 9h and 31min).

  • Average sunshine in May: 9h and 18min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Summerfield, IL

Average sunshine days in May - Summerfield, IL
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11 days).

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Average UV index in May
Summerfield, IL

Average UV index in May - Summerfield, IL
  • Average UV index in May: 6

The months with the highest UV index are May, 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
Summerfield, IL

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

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in May
Summerfield, IL

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

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

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