Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
As February transitions into March, Harmon sees a rise in the average high-temperature, moving from a freezing cold 31.6°F (-0.2°C) to a frosty 45.9°F (7.7°C). In March, the nighttime temperature lowers to an average of 31.3°F (-0.4°C).Humidity
In March, the average relative humidity is 77%.Rainfall
In Harmon, in March, during 11.1 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 130.2 rainfall days, and 17.36" (441mm) of precipitation is accumulated.Snowfall
Months with snowfall in Harmon are January through April, October through December. In Harmon, in March, during 4.4 snowfall days, 1.18" (30mm) of snow is typically accumulated. Throughout the year, in Harmon, Illinois, there are 34.2 snowfall days, and 7.87" (200mm) of snow is accumulated.Daylight
In Harmon, the average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:31 am and sunset at 5:49 pm CST. On the last day of March, sunrise is at 6:41 am and sunset at 7:23 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 in Harmon is 6.4h.UV index
In Harmon, Illinois, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 3 in March transforms into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in March in Harmon?
What is the average humidity in March in Harmon?
How much does it rain in Harmon in March?
How much does it snow in Harmon in March?
What is the average length of the day in March in Harmon?
When are sunrise and sunset in March in Harmon?
When does Daylight Saving Time (DST) start in March in Harmon?
How many hours of sunshine does Harmon have in March?
How high is the UV index in March in Harmon?
Average temperature in March
Harmon, IL
- Average high temperature in March: 45.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in March: 31.3°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in March
Harmon, IL
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in March
Harmon, IL
- Average wind speed in March: 9.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in March
Harmon, IL
- Average humidity in March: 77%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in March
Harmon, IL
- Average rainfall in March: 1.1"
The wettest month (with the highest rainfall) is May (2.83").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in March
Harmon, IL
- Average rainfall days in March: 11.1 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in March
Harmon, IL
- Average snowfall in March: 1.18"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Harmon, IL
- Average snowfall days in March: 4.4 days
The month with the highest number of snowfall days is January (10.2 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
Harmon, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in March
Harmon, IL
- Average sunshine days in March: 16.7 days
The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in March
Harmon, IL
- Average UV index in March: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in March
Harmon, IL
- Average cloud cover in March: 49
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in March
Harmon, IL
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Harmon, Illinois, USA
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