March weather forecastHerrin, IL
March
Weather in March
The first month of the spring, March, is a cool month in Herrin, Illinois, with an average temperature fluctuating between 38.8°F (3.8°C) and 55.2°F (12.9°C).Temperature
Herrin in March shows a temperature shift, moving from an average high of a frosty 43.7°F (6.5°C) in February to a fresh 55.2°F (12.9°C). During the month of March, the temperature falls to an average of 38.8°F (3.8°C).Humidity
In March, the average relative humidity is 77%.Rainfall
In Herrin, during March, the rain falls for 12.8 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Herrin, during the entire year, the rain falls for 137.6 days and collects up to 23.03" (585mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In March, in Herrin, it is snowing for 1.8 days. Throughout March, 0.67" (17mm) of snow is accumulated. Throughout the year, in Herrin, there are 14.5 snowfall days, and 4.13" (105mm) of snow is accumulated.Daylight
The average length of the day in March in Herrin is 11h and 59min.On the first day of March, sunrise is at 6:26 am and sunset at 5:50 pm CST. On the last day of the month, sunrise is at 6:41 am and sunset at 7:18 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 Herrin, the average sunshine in March is 6.4h.UV index
The average daily maximum UV index in March in Herrin is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In March, a daily UV index of 4 turns into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Herrin, IL
- Average high temperature in March: 55.2°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in March: 38.8°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in March
Herrin, IL
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in March
Herrin, IL
- Average wind speed in March: 9.3mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in March
Herrin, IL
- Average humidity in March: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in March
Herrin, IL
- Average rainfall in March: 2.09"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in March
Herrin, IL
- Average rainfall days in March: 12.8 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in March
Herrin, IL
- Average snowfall in March: 0.67"
The months with the highest snowfall are January and February (0.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Herrin, IL
- Average snowfall days in March: 1.8 days
The month with the highest number of snowfall days is February (4.3 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
Herrin, IL
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in March: 6h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in March
Herrin, IL
- Average sunshine days in March: 14.9 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in March
Herrin, IL
- Average UV index in March: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in March
Herrin, IL
- Average cloud cover in March: 48
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).
Average visibility in March
Herrin, 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).
