March is a very cold and rainy time for sunbathing in Illinois, and not recommended. March is a little too cold to enjoy swimming in Illinois for any length of time. Consider visiting Illinois in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for March.
The average maximum temperature in Illinois in March is 9°. The average maximum temperature is 1° in the previous month and 16° in the next month.
The average temperature in Illinois in March is 4°. The average temperature ranges is -3° in the previous month and 11° in the next month.
The average minimum temperature in Illinois in March is 0°. The minimum temperature is -6° in the previous month and 6° in the next month.
The average day light hours per day in Illinois in March are 11.9 and there are 6.1 hours of sunshine per day on average during March making it a quite sunny month with some cloud cover.
The ultraviolet index in Illinois in March is typically 4.6 during March. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Illinois in March is 20° which is comfortable for swimming though some may prefer warmer water.
The average total rainfall in Illinois in March is 62.3cm and on average there are 12.1 rainy days in March making it a wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Illinois in March is 2° which is a bit dry for some. The dew point is -4° in the previous month and 6° in the next month.
The average maximum relative humidity in Illinois in March is typically 83%. The maximum relative humidity is 84% in the previous month and 79.4% in the next month.
The average relative humidity in Illinois in March is typically 66.4%. The average relative humidity is 70.6% in the previous month and 59.9% in the next month.
The average maximum wind speed in Illinois in March is typically 30kmh. The average maximum wind speed is 29kmh in the previous month and 33kmh in the next month.
The average wind speed in Illinois in March is typically 17kmh. The average wind speed is 16kmh in the previous month and 18kmh in the next month.
The average wind direction in Illinois in March is from the North.
