May weather forecast
Melrose Park, IL

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Weather in May

May in Melrose Park, Illinois, is firmly placed in the middle of the transitional period from the cool spring to the warmer summer period. The temperatures reach a pleasant range, alluring residents to enjoy outdoor activities. Rainfall hits an annual high of 4.49" (114mm) as spring showers drench the city. Despite the rain showers, the increasing daylight and sunshine duration provide a welcomed contrast, painting a charming spring picture. With the UV index now hitting 5, the warmth in the sun can certainly be felt.

Temperature

Noticing a change, the average high-temperature during May moves from April's fresh 53.2°F (11.8°C) to a refreshing 64.4°F (18°C). An average low-temperature of 51.4°F (10.8°C) marks the month of May.

Humidity

The average relative humidity in May is 77%.

Rainfall

May is the month with the most rainfall. Rain falls for 18.8 days and accumulates 4.49" (114mm) 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, Melrose Park aggregates 0.08" (2mm) of snow. Throughout the year, there are 40.3 snowfall days, and 16.81" (427mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 34min.
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 8:19 pm CDT.

Sunshine

The average sunshine in May is 8.7h.

UV index

In Melrose Park, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 5 in May leads to these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

May temperatures vary between a high-temperature of 64.4°F (18°C) and a low-temperature of 51.4°F (10.8°C).

What is the average humidity in May in Melrose Park?

In May, the average relative humidity is 77%.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 18.8 days and accumulates 4.49" (114mm) of precipitation.

How much does it rain in May?

In May, the rain falls for 18.8 days. Throughout May, 4.49" (114mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Melrose Park aggregates 0.08" (2mm) of snow.

How many hours of daylight does Melrose Park have in May?

The average day length in May is 14h and 34min.

When is the sunrise / sunset in May?

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 8:19 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.7h.

How high is the UV index in May?

In Melrose 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 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
Melrose Park, IL

Average temperature in May - Melrose Park, IL
  • Average high temperature in May: 64.4°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 (28.9°F).

  • Average low temperature in May: 51.4°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 (19.4°F).

Average pressure in May
Melrose Park, IL

Average pressure in May - Melrose 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).

Average wind speed in May
Melrose Park, IL

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

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

Average humidity in May
Melrose Park, IL

Average humidity in May - Melrose Park, 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%).

Average rainfall in May
Melrose Park, IL

Average rainfall in May - Melrose Park, IL
  • Average rainfall in May: 4.49"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is December (1.57").

Average rainfall days in May
Melrose Park, IL

Average rainfall days in May - Melrose Park, IL
  • Average rainfall days in May: 18.8 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in May
Melrose Park, IL

Average snowfall in May - Melrose Park, IL
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Melrose Park, IL

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

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Melrose 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in May
Melrose Park, IL

Average sunshine days in May - Melrose Park, IL
  • Average sunshine days in May: 10.4 days

The month with the most sunshine days is December (16.7 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in May
Melrose Park, IL

Average UV index in May - Melrose 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).

Average cloud cover in May
Melrose Park, IL

Average cloud cover in May - Melrose Park, IL
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in May
Melrose Park, IL

Average visibility in May - Melrose 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).

Melrose Park, Illinois, USA

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