March weather forecastLake Forest, IL
March
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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 12min
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: 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: 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: 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: 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).





