May weather forecast
Niles, IL

Share

Weather in May

The last month of the spring, May, is an enjoyable month in Niles, Illinois, with an average temperature ranging between min 50.5°F (10.3°C) and max 64°F (17.8°C).

Temperature

The shift into May is characterized by a rise in the average high-temperature, transitioning from April's cool 53.1°F (11.7°C) to an enjoyable 64°F (17.8°C). Niles's temperature in May lowers to a consistent average of 50.5°F (10.3°C) during the nights.

Humidity

In Niles, the average relative humidity in May is 77%.

Rainfall

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

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Niles aggregates 0.04" (1mm) of snow. Throughout the year, there are 28.5 snowfall days, and 3.07" (78mm) of snow is accumulated.

Daylight

In Niles, Illinois, the average length of the day in May is 14h and 35min.
On the first day of May, sunrise is at 5:45 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:19 pm CDT.

Sunshine

In May, the average sunshine in Niles is 8.5h.

UV index

In Niles, Illinois, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in May transforms into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Boost your sun resistance with garments that are densely woven yet spacious. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
[Resources]

Frequently asked questions

What is the average May temperature in Niles?

Niles in May has an average high-temperature of 64°F (17.8°C) and an average low-temperature of 50.5°F (10.3°C).

What is the average humidity in May in Niles?

In May, the average relative humidity is 77%.

What is the wettest month in Niles?

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

How much does it rain in Niles in May?

In Niles, Illinois, during May, the rain falls for 12.3 days and regularly aggregates up to 1.06" (27mm) of precipitation.

What is the last month it snows in Niles?

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

How many hours of daylight does Niles have in May?

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

When is the sunrise / sunset in May in Niles?

On the first day of May in Niles, Illinois, sunrise is at 5:45 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:19 pm CDT.

How long on average sun shines in May in Niles?

In Niles, Illinois, the average sunshine duration in May is 8.5h.

What is the UV index intensity in May in Niles?

In Niles, Illinois, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Niles, IL

Average temperature in May - Niles, 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
Niles, IL

Average pressure in May - Niles, 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
Niles, IL

Average wind speed in May - Niles, 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
Niles, IL

Average humidity in May - Niles, 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
Niles, IL

Average rainfall in May - Niles, 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
Niles, IL

Average rainfall days in May - Niles, 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
Niles, IL

Average snowfall in May - Niles, 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
Niles, IL

Average snowfall days in May - Niles, 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
Niles, IL

Average daylight in May / Average sunshine in May - Niles, 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
Niles, IL

Average sunshine days in May - Niles, 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
Niles, IL

Average UV index in May - Niles, 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
Niles, IL

Average cloud cover in May - Niles, 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
Niles, IL

Average visibility in May - Niles, 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]

Niles, Illinois, USA

Weather forecast for your location

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