May weather forecast
Franklin Park, IL

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Weather in May

May, the last month of the spring in Franklin Park, is a refreshing month, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 51.1°F (10.6°C).

Temperature

May's onset brings a temperature rise, moving from a cool 54.1°F (12.3°C) in April to an enjoyable 65.8°F (18.8°C). Throughout the month of May, the nighttime temperature dips to an average of 51.1°F (10.6°C).

Humidity

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

Rainfall

The month with the most rainfall is May, when the rain falls for 16.8 days and typically aggregates up to 3.15" (80mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Franklin Park. During 0.1 snowfall days, in May, Franklin Park aggregates 0.04" (1mm) of snow. In Franklin Park, during the entire year, snow falls for 44.8 days and aggregates up to 12.83" (326mm) of snow.

Daylight

In Franklin Park, Illinois, the average length of the day in May is 14h and 35min.
On the first day of the month, sunrise is at 5:46 am and sunset at 7:50 pm. On the last day of May, in Franklin Park, sunrise is at 5:18 am and sunset at 8:20 pm CDT.

Sunshine

In May, the average sunshine in Franklin Park is 8.5h.

UV index

In May, the average daily maximum UV index in Franklin Park, Illinois, is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 5 in May translates into these instructions:
Heed the precautions - It is counselled to guard against solar damage. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

What is the usual temperature for Franklin Park in May?

The average high-temperature and low-temperature in Franklin Park, Illinois, during May are 65.8°F (18.8°C) and 51.1°F (10.6°C) respectively.

What is the average humidity in May in Franklin Park?

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

What is the wettest month in Franklin Park?

The month with the most rainfall in Franklin Park is May, when the rain falls for 16.8 days and typically aggregates up to 3.15" (80mm) of precipitation.

How much does it rain in Franklin Park in May?

In May, in Franklin Park, the rain falls for 16.8 days. Throughout May, 3.15" (80mm) of precipitation is accumulated.

What is the last month it snows in Franklin Park?

May is the last month it regularly snows in Franklin Park. During 0.1 snowfall days, in May, Franklin Park aggregates 0.04" (1mm) of snow.

What is the average length of the day in May in Franklin Park?

In May, the average day length in Franklin Park is 14h and 35min.

When is the sunrise / sunset in May in Franklin Park?

In May, on the first day of the month, sunrise is at 5:46 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:20 pm CDT.

How many hours of sunshine does Franklin Park have in May?

The average sunshine duration in May in Franklin Park, Illinois, is 8.5h.

How high is the UV index in May in Franklin Park?

In Franklin Park, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Franklin Park, IL

Average temperature in May - Franklin Park, IL
  • Average high temperature in May: 65.8°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in May: 51.1°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure in May
Franklin Park, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Franklin Park, IL

Average wind speed in May - Franklin Park, 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 August (6.6mph).

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Average humidity in May
Franklin Park, IL

Average humidity in May - Franklin Park, IL
  • Average humidity in May: 76%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Franklin Park, IL

Average rainfall in May - Franklin Park, IL
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (0.91").

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Average rainfall days in May
Franklin Park, IL

Average rainfall days in May - Franklin Park, IL
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in May
Franklin Park, IL

Average snowfall in May - Franklin Park, IL
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (3.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Franklin Park, IL

Average snowfall days in May - Franklin Park, IL
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Franklin Park, IL

Average daylight in May / Average sunshine in May - Franklin Park, IL
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in May
Franklin Park, IL

Average sunshine days in May - Franklin Park, IL
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in May
Franklin Park, IL

Average UV index in May - Franklin Park, 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 and December (UV index 1).

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Average cloud cover in May
Franklin Park, IL

Average cloud cover in May - Franklin Park, IL
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 30).

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Average visibility in May
Franklin Park, IL

Average visibility in May - Franklin Park, 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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Franklin Park, Illinois, USA

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