March weather forecastRiver Forest, IL
March
Weather in March
March, the first month of the spring in River Forest, is a chilly month, with an average temperature fluctuating between 43.2°F (6.2°C) and 32.2°F (0.1°C).Temperature
As February gives way to March, the average high-temperature displays an increase, moving from a cold 32.4°F (0.2°C) to a frosty 43.2°F (6.2°C). In the month of March, the temperature generally rests at an average low of 32.2°F (0.1°C).Humidity
In March, the average relative humidity is 76%.Rainfall
In River Forest, during March, the rain falls for 11.9 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 157.8 rainfall days, and 33.7" (856mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In River Forest, in March, snow falls for 5.8 days, with typically accumulated 1.26" (32mm) of snow. In River Forest, during the entire year, snow falls for 40.3 days and aggregates up to 16.81" (427mm) of snow.Daylight
The average length of the day in March is 11h and 58min.On the first day of March, sunrise is at 6:24 am and sunset at 5:42 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 minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 2 in March leads to these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
River Forest, IL
- Average high temperature in March: 43.2°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in March: 32.2°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in March
River Forest, 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
River Forest, IL
- Average wind speed in March: 10.1mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in March
River Forest, 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 (72%).
Average rainfall in March
River Forest, IL
- Average rainfall in March: 2.01"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is December (1.57").
Average rainfall days in March
River Forest, IL
- Average rainfall days in March: 11.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in March
River Forest, IL
- Average snowfall in March: 1.26"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
River Forest, IL
- Average snowfall days in March: 5.8 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
River 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 6min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in March
River Forest, IL
- Average sunshine days in March: 13.8 days
The month with the most sunshine days is December (16.7 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in March
River Forest, IL
- Average UV index in March: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in March
River Forest, IL
- Average cloud cover in March: 50
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in March
River 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).





