March weather forecast
Chicago Heights, IL

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Weather in March

The first month of the spring, March, is a chilly month in Chicago Heights, Illinois, with an average temperature ranging between min 32.4°F (0.2°C) and max 45.5°F (7.5°C).

Temperature

March's arrival coincides with a rise in the average high-temperature, moving from February's cold 33.1°F (0.6°C) to a chilly 45.5°F (7.5°C). Chicago Heights witnesses an average low-temperature of 32.4°F (0.2°C) throughout the month of March.

Humidity

In Chicago Heights, the average relative humidity in March is 75%.

Rainfall

In Chicago Heights, during March, the rain falls for 12.7 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Chicago Heights, during the entire year, the rain falls for 155.6 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Chicago Heights, Illinois, during March, snow falls for 6.1 days and regularly aggregates up to 1.65" (42mm) of snow. In Chicago Heights, during the entire year, snow falls for 44.6 days and aggregates up to 16.46" (418mm) of snow.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:23 am and sunset at 5:41 pm CST. On the last day of March, sunrise is at 6:33 am and sunset at 7:15 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

In Chicago Heights, the average sunshine in March is 6h.

UV index

The average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In March, a regular UV index of 3 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are March temperatures?

Chicago Heights in March has an average high-temperature of 45.5°F (7.5°C) and an average low-temperature of 32.4°F (0.2°C).

What is the average humidity in March?

In March, the average relative humidity is 75%.

How many days does it rain in March?

In Chicago Heights, Illinois, in March, during 12.7 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

How many days does it snow in March?

In March, it is snowing for 6.1 days. Throughout March, 1.65" (42mm) of snow is accumulated.

How many hours of daylight does Chicago Heights have in March?

The average day length in March is 11h and 58min.

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:23 am and sunset at 5:41 pm CST. On the last day of the month, sunrise is at 6:33 am and sunset at 7:15 pm CDT.

When does Daylight Saving Time (DST) start in March?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March?

In March, the average sunshine duration is 6h.

What is the UV index intensity in March?

In Chicago Heights, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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 March
Chicago Heights, IL

Average temperature in March - Chicago Heights, IL
  • Average high temperature in March: 45.5°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in March: 32.4°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in March
Chicago Heights, IL

Average pressure in March - Chicago Heights, IL
  • Average pressure in March: 30.09"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 March
Chicago Heights, IL

Average wind speed in March - Chicago Heights, IL
  • Average wind speed in March: 9.5mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in March
Chicago Heights, IL

Average humidity in March - Chicago Heights, IL
  • Average humidity in March: 75%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall in March
Chicago Heights, IL

Average rainfall in March - Chicago Heights, IL
  • Average rainfall in March: 2.09"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").

Average rainfall days in March
Chicago Heights, IL

Average rainfall days in March - Chicago Heights, IL
  • Average rainfall days in March: 12.7 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).

Average snowfall in March
Chicago Heights, IL

Average snowfall in March - Chicago Heights, IL
  • Average snowfall in March: 1.65"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in March
Chicago Heights, IL

Average snowfall days in March - Chicago Heights, IL
  • Average snowfall days in March: 6.1 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Chicago Heights, IL

Average daylight in March / Average sunshine in March - Chicago Heights, IL
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in March: 6h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in March
Chicago Heights, IL

Average sunshine days in March - Chicago Heights, IL
  • Average sunshine days in March: 13.8 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).

Average UV index in March
Chicago Heights, IL

Average UV index in March - Chicago Heights, IL
  • Average UV index in March: 3

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in March
Chicago Heights, IL

Average cloud cover in March - Chicago Heights, IL
  • Average cloud cover in March: 50

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

Average visibility in March
Chicago Heights, IL

Average visibility in March - Chicago Heights, IL
  • Average visibility in March: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Chicago Heights, Illinois, USA

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