March weather forecast
Northbrook, IL

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Weather in March

March, the first month of the spring in Northbrook, is an icy month, with an average temperature fluctuating between 42.3°F (5.7°C) and 31.5°F (-0.3°C).

Temperature

March's onset witnesses a shift in the average high-temperature, moving from a freezing cold 31.8°F (-0.1°C) in February to a wintry 42.3°F (5.7°C). Northbrook observes an average low-temperature of 31.5°F (-0.3°C) during March nights.

Humidity

In March, the average relative humidity is 76%.

Rainfall

In March, the rain falls for 12.2 days. Throughout March, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 164.7 rainfall days, and 35.28" (896mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Northbrook, in March, during 6.7 snowfall days, 1.22" (31mm) of snow is typically accumulated. Throughout the year, there are 47.6 snowfall days, and 17.8" (452mm) of snow is accumulated.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:25 am and sunset at 5:41 pm CST. On the last day of the month, sunrise is at 6:34 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

In March, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 2 in March translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To guard against the harmful effects of the Sun, minimize exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during March?

The average high-temperature, in March, in Northbrook, is 42.3°F (5.7°C), while the average low-temperature is 31.5°F (-0.3°C).

What is the average humidity in March?

The average relative humidity in March is 76%.

How much does it rain in March?

In March, the rain falls for 12.2 days. Throughout March, 2.01" (51mm) of precipitation is accumulated.

How much does it snow in March?

In Northbrook, in March, snow falls for 6.7 days, with typically accumulated 1.22" (31mm) of snow.

What is the average length of the day in March?

In Northbrook, the average day length in March is 11h and 58min.

What time are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:25 am and sunset at 5:41 pm CST. On the last day of the month, sunrise is at 6:34 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 Northbrook have in March?

In March, the average sunshine duration is 6.1h.

What is the UV index intensity 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 unprotected exposure to 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
Northbrook, IL

Average temperature in March - Northbrook, 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
Northbrook, IL

Average pressure in March - Northbrook, 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
Northbrook, IL

Average wind speed in March - Northbrook, 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
Northbrook, IL

Average humidity in March - Northbrook, 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
Northbrook, IL

Average rainfall in March - Northbrook, 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
Northbrook, IL

Average rainfall days in March - Northbrook, 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
Northbrook, IL

Average snowfall in March - Northbrook, 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
Northbrook, IL

Average snowfall days in March - Northbrook, 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
Northbrook, IL

Average daylight in March / Average sunshine in March - Northbrook, 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
Northbrook, IL

Average sunshine days in March - Northbrook, 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
Northbrook, IL

Average UV index in March - Northbrook, 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
Northbrook, IL

Average cloud cover in March - Northbrook, 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
Northbrook, IL

Average visibility in March - Northbrook, 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).

Northbrook, Illinois, USA

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