March weather forecast
Winnetka, IL

Share

Weather in March

March, the first month of the spring in Winnetka, is a wintry month, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 31.5°F (-0.3°C).

Temperature

In Winnetka, stepping into March brings a temperature increase, moving up from February's subzero cold 31.8°F (-0.1°C) to a wintry 42.3°F (5.7°C). Winnetka encounters a steady low-temperature average of 31.5°F (-0.3°C) throughout the month of March.

Humidity

In March, the average relative humidity is 76%.

Rainfall

In Winnetka, in March, during 12.2 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Winnetka, during the entire year, the rain falls for 164.7 days and collects up to 35.28" (896mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In March, it is snowing for 6.7 days. Throughout March, 1.22" (31mm) of snow is accumulated. In Winnetka, Illinois, during the entire year, snow falls for 47.6 days and aggregates up to 17.8" (452mm) of snow.

Daylight

In Winnetka, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:24 am and sunset at 5:41 pm CST. On the last day of March, sunrise is at 6:33 am and sunset at 7:16 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

The average sunshine in March is 6.1h.

UV index

The average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 2 in March translates into this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in March?

In March, in Winnetka, the average high-temperature is 42.3°F (5.7°C), and the average low-temperature is 31.5°F (-0.3°C).

What is the average humidity in March?

In Winnetka, the average relative humidity in March is 76%.

How much does it rain in March?

In Winnetka, during March, the rain falls for 12.2 days and regularly aggregates up to 2.01" (51mm) of precipitation.

How many days does it snow in March?

In Winnetka, during March, snow falls for 6.7 days and regularly aggregates up to 1.22" (31mm) of snow.

How many hours of daylight does Winnetka have in March?

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

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:24 am and sunset at 5:41 pm CST. On the last day of the month, sunrise is at 6:33 am and sunset at 7:16 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 many hours of sunshine does Winnetka have in March?

In March, the average sunshine duration is 6.1h.

How high is the UV index in March?

In March, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe 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 March
Winnetka, IL

Average temperature in March - Winnetka, IL
  • Average high temperature in March: 42.3°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in March: 31.5°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in March
Winnetka, IL

Average pressure in March - Winnetka, 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
Winnetka, IL

Average wind speed in March - Winnetka, IL
  • Average wind speed in March: 10.4mph

The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

Average humidity in March
Winnetka, IL

Average humidity in March - Winnetka, IL
  • Average humidity in March: 76%

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

Average rainfall in March
Winnetka, IL

Average rainfall in March - Winnetka, IL
  • Average rainfall in March: 2.01"

The wettest months (with the highest rainfall) are May and June (4.57").
The driest month (with the least rainfall) is December (1.65").

Average rainfall days in March
Winnetka, IL

Average rainfall days in March - Winnetka, IL
  • Average rainfall days in March: 12.2 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (6.1 days).

Average snowfall in March
Winnetka, IL

Average snowfall in March - Winnetka, IL
  • Average snowfall in March: 1.22"

The month with the highest snowfall is January (4.84").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Winnetka, IL

Average snowfall days in March - Winnetka, IL
  • Average snowfall days in March: 6.7 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Winnetka, IL

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

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 March: 6h and 1min

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).

Average sunshine days in March
Winnetka, IL

Average sunshine days in March - Winnetka, IL
  • Average sunshine days in March: 13.3 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in March
Winnetka, IL

Average UV index in March - Winnetka, IL
  • Average UV index in March: 2

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

Average cloud cover in March
Winnetka, IL

Average cloud cover in March - Winnetka, IL
  • Average cloud cover in March: 50

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in March
Winnetka, IL

Average visibility in March - Winnetka, IL
  • Average visibility in March: 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).

Winnetka, Illinois, USA

Weather forecast for your location

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