March weather forecast
Lake Forest, IL

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Weather in March

March, the first month of the spring in Lake Forest, is a cold month, with an average temperature varying between 31.5°F (-0.3°C) and 41.5°F (5.3°C).

Temperature

With the onset of March, Lake Forest experiences a temperature shift, with the average high-temperature moving from a freezing cold 31.3°F (-0.4°C) in February to an icy 41.5°F (5.3°C). The mean low-temperature during March nights in Lake Forest is a subzero cold 31.5°F (-0.3°C).

Humidity

In Lake Forest, the average relative humidity in March is 77%.

Rainfall

In March, the rain falls for 11.3 days. Throughout March, 1.77" (45mm) of precipitation is accumulated. Throughout the year, in Lake Forest, there are 154.1 rainfall days, and 30.24" (768mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Lake Forest, during March, snow falls for 5.8 days and regularly aggregates up to 1.02" (26mm) of snow. In Lake Forest, during the entire year, snow falls for 42.9 days and aggregates up to 13.82" (351mm) of snow.

Daylight

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

In March, the average sunshine in Lake Forest is 6.2h.

UV index

In March, the average daily maximum UV index in Lake Forest is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In March, a daily maximum UV index of 2 leads to the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Lake Forest in March?

The average high-temperature, in March, in Lake Forest, is 41.5°F (5.3°C), while the average low-temperature is 31.5°F (-0.3°C).

What is the average humidity in March in Lake Forest?

In March, the average relative humidity in Lake Forest, Illinois, is 77%.

How much does it rain in Lake Forest in March?

In Lake Forest, Illinois, in March, it is raining for 11.3 days, with typically 1.77" (45mm) of accumulated precipitation.

How much does it snow in Lake Forest in March?

In Lake Forest, in March, snow falls for 5.8 days, with typically accumulated 1.02" (26mm) of snow.

What is the average length of the day in March in Lake Forest?

In Lake Forest, Illinois, the average day length in March is 11h and 58min.

When is the sunrise / sunset in March in Lake Forest?

On the first day of March in Lake Forest, Illinois, 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 in Lake Forest?

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 Lake Forest?

The average sunshine duration in March in Lake Forest, Illinois, is 6.2h.

How high is the UV index in March in Lake Forest?

The average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Lake Forest, IL

Average temperature in March - Lake Forest, IL
  • Average high temperature in March: 41.5°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in March: 31.5°F

The months with the highest average low temperature are July and August (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in March
Lake Forest, IL

Average pressure in March - Lake Forest, IL
  • Average pressure in March: 30.09"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in March
Lake Forest, IL

Average wind speed in March - Lake Forest, IL
  • Average wind speed in March: 10.7mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

Average humidity in March
Lake Forest, IL

Average humidity in March - Lake Forest, IL
  • Average humidity in March: 77%

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
Lake Forest, IL

Average rainfall in March - Lake Forest, IL
  • Average rainfall in March: 1.77"

The wettest months (with the highest rainfall) are May and June (3.82").
The driest month (with the least rainfall) is December (1.3").

Average rainfall days in March
Lake Forest, IL

Average rainfall days in March - Lake Forest, IL
  • Average rainfall days in March: 11.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in March
Lake Forest, IL

Average snowfall in March - Lake Forest, IL
  • Average snowfall in March: 1.02"

The month with the highest snowfall is January (4.13").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in March
Lake Forest, IL

Average snowfall days in March - Lake Forest, IL
  • Average snowfall days in March: 5.8 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Lake Forest, IL

Average daylight in March / Average sunshine in March - Lake Forest, 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 month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in March
Lake Forest, IL

Average sunshine days in March - Lake Forest, IL
  • Average sunshine days in March: 14 days

The month with the most sunshine days is December (15.3 days).
The month with the least sunshine days is April (10.8 days).

Average UV index in March
Lake Forest, IL

Average UV index in March - Lake Forest, 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
Lake Forest, IL

Average cloud cover in March - Lake Forest, IL
  • Average cloud cover in March: 49

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 27).

Average visibility in March
Lake Forest, IL

Average visibility in March - Lake Forest, 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).

Lake Forest, Illinois, USA

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