March weather forecastChicago, IL
March
Weather in March
The windy city of Chicago ushers in March with an increase in temperature and longer daylight hours. While winter is still holding its grip, March introduces the first signs of spring. Progreess is apparent compared to February, including a drop in snowfall to 1.34" (34mm) over 6.1 days. There are hints of the forthcoming greenery as the city transitions to warmer weather. Despite the colder temperatures in the early hours, the afternoons become increasingly comfortable.Temperature
March comes with an increase, with the average high-temperature moving from an icy 32°F (0°C) in February to a still cold 41.5°F (5.3°C). Chicago observes an average low-temperature of 32.2°F (0.1°C) during March nights.Humidity
The average relative humidity in March is 77%.Rainfall
In March, the rain falls for 11.8 days. Throughout March, 2.13" (54mm) of precipitation is accumulated. Throughout the year, there are 160.2 rainfall days, and 36.97" (939mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In March, in Chicago, Illinois, it is snowing for 6.1 days. Throughout March, 1.34" (34mm) of snow is accumulated. In Chicago, during the entire year, snow falls for 40.9 days and aggregates up to 13.9" (353mm) of snow.Ocean temperature
In March, the average ocean temperature is 37.8°F (3.2°C).Note: In swimming, this scenario poses immediate life-threatening danger. Breathing control is totally lost and logical thinking nearly impossible. Wearing a specialized swimsuit is critical to limit thermal loss.
Daylight
In Chicago, Illinois, 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 7:15 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 Chicago, Illinois, the average sunshine in March is 6.1h.UV index
In Chicago, 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 rays for the average person.Note: In March, a regular UV index of 2 translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Chicago, IL
- Average high temperature in March: 41.5°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in March: 32.2°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in March
Chicago, 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
Chicago, IL
- Average wind speed in March: 11mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in March
Chicago, IL
- Average humidity in March: 77%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in March
Chicago, IL
- Average rainfall in March: 2.13"
The wettest month (with the highest rainfall) is June (4.88").
The driest month (with the least rainfall) is December (1.65").
Average rainfall days in March
Chicago, IL
- Average rainfall days in March: 11.8 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in March
Chicago, IL
- Average snowfall in March: 1.34"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in March
Chicago, IL
- Average snowfall days in March: 6.1 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in March
Chicago, IL
- Average sea temperature in March: 37.8°F
The best month for swimming (with the highest average sea temperature) is August (73.9°F).
The coldest month (with the lowest average sea temperature) is February (36.9°F).
Average daylight in March /
Average sunshine in March
Chicago, 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 months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in March
Chicago, IL
- Average sunshine days in March: 13.9 days
The month with the most sunshine days is December (15.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in March
Chicago, IL
- Average UV index in March: 2
The months with the highest UV index are 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
Chicago, IL
- Average cloud cover in March: 50
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in March
Chicago, 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).
