May weather forecast
Park Ridge, IL

Share

Weather in May

Park Ridge experiences a humid and moderately warm climate in May. The rainy days are balanced by an increase in sunshine hours, reaching 8.5 hours. Transitioning into summer, the temperatures elevate to a comfortable 64°F (17.8°C) high. The longer daylight hours and warm temperatures are favorable for enjoying outdoor activities and events. May brings with it a welcome change, where locals and visitors alike can start enjoying the summer-like conditions without the uncomfortable hot muggy feel.

Temperature

May brings a rise in the average high-temperature, transitioning from April's cool 53.1°F (11.7°C) to a refreshing 64°F (17.8°C). During May, the nighttime temperature averages to a fresh 50.5°F (10.3°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

May is the month with the most rainfall in Park Ridge, Illinois. Rain falls for 12.3 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Park Ridge aggregates 0.04" (1mm) of snow. In Park Ridge, during the entire year, snow falls for 28.5 days and aggregates up to 3.07" (78mm) of snow.

Daylight

In May, the average length of the day in Park Ridge, Illinois, 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 Park Ridge, Illinois, sunrise is at 5:18 am and sunset at 8:20 pm CDT.

Sunshine

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

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
[Resources]

Frequently asked questions

What is the usual temperature for Park Ridge in May?

An average high-temperature, in May, in Park Ridge, is 64°F (17.8°C) and the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in May in Park Ridge?

The average relative humidity in May is 77%.

What is the wettest month in Park Ridge?

May is the month with the most rainfall in Park Ridge. Rain falls for 12.3 days and accumulates 1.06" (27mm) of precipitation.

How much does it rain in Park Ridge in May?

In Park Ridge, in May, it is raining for 12.3 days, with typically 1.06" (27mm) of accumulated precipitation.

What is the last month it snows in Park Ridge?

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

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

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

When are sunrise and sunset in May in Park Ridge?

On the first day of May, 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 long on average sun shines in May in Park Ridge?

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

What is the UV index intensity in May in Park Ridge?

In May, the average daily maximum UV index in Park Ridge is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
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
Park Ridge, IL

Average temperature in May - Park Ridge, IL
  • Average high temperature in May: 64°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

[Resources]

Average pressure in May
Park Ridge, IL

Average pressure in May - Park Ridge, 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).

[Resources]

Average wind speed in May
Park Ridge, IL

Average wind speed in May - Park Ridge, IL
  • Average wind speed in May: 8.7mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).

[Resources]

Average humidity in May
Park Ridge, IL

Average humidity in May - Park Ridge, IL
  • Average humidity in May: 77%

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

[Resources]

Average rainfall in May
Park Ridge, IL

Average rainfall in May - Park Ridge, IL
  • Average rainfall in May: 1.06"

The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is December (0.31").

[Resources]

Average rainfall days in May
Park Ridge, IL

Average rainfall days in May - Park Ridge, IL
  • Average rainfall days in May: 12.3 days

The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (2.8 days).

[Resources]

Average snowfall in May
Park Ridge, IL

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

The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in May
Park Ridge, IL

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

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in May / Average sunshine in May - Park Ridge, 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 months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

[Resources]

Average sunshine days in May
Park Ridge, IL

Average sunshine days in May - Park Ridge, IL
  • Average sunshine days in May: 16 days

The month with the most sunshine days is December (23.3 days).
The month with the least sunshine days is June (14.7 days).

[Resources]

Average UV index in May
Park Ridge, IL

Average UV index in May - Park Ridge, 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).

[Resources]

Average cloud cover in May
Park Ridge, IL

Average cloud cover in May - Park Ridge, IL
  • Average cloud cover in May: 42

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 28).

[Resources]

Average visibility in May
Park Ridge, IL

Average visibility in May - Park Ridge, 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).

[Resources]

Park Ridge, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location