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
Potomac, Illinois, sees an increase in the average high-temperature with the arrival of March, moving from February's cold 36°F (2.2°C) to a chilly 48.9°F (9.4°C). Potomac reports an average low-temperature of 34.3°F (1.3°C) during the nights of March.Humidity
In Potomac, the average relative humidity in March is 76%.Rainfall
In Potomac, during March, the rain falls for 11.9 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, in Potomac, there are 146.3 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Potomac. In Potomac, during March, snow falls for 4.4 days and regularly aggregates up to 1.14" (29mm) of snow. In Potomac, during the entire year, snow falls for 34.2 days and aggregates up to 7.8" (198mm) of snow.Daylight
In Potomac, the average length of the day in March is 11h and 59min.On the first day of the month, sunrise is at 6:23 am and sunset at 5:43 pm CST. On the last day of March, sunrise is at 6:35 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
The average sunshine in March in Potomac, Illinois, is 6.1h.UV index
In March, the average daily maximum UV index in Potomac is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In March, the UV index of 3 transforms into the following advice:
Take precautions - Protection against sun damage is advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Potomac in March?
What is the average humidity in March in Potomac?
How much does it rain in Potomac in March?
How much does it snow in Potomac in March?
How many hours of daylight does Potomac have in March?
When are sunrise and sunset in March in Potomac?
When does Daylight Saving Time (DST) start in March in Potomac?
How long on average sun shines in March in Potomac?
What is the UV index intensity in March in Potomac?
Average temperature in March
Potomac, IL
- Average high temperature in March: 48.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in March: 34.3°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in March
Potomac, IL
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in March
Potomac, IL
- Average wind speed in March: 10mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in March
Potomac, IL
- Average humidity in March: 76%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in March
Potomac, IL
- Average rainfall in March: 2.09"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in March
Potomac, IL
- Average rainfall days in March: 11.9 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in March
Potomac, IL
- Average snowfall in March: 1.14"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Potomac, IL
- Average snowfall days in March: 4.4 days
The month with the highest number of snowfall days is January (9.8 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
Potomac, IL
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in March: 6h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in March
Potomac, IL
- Average sunshine days in March: 15.1 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in March
Potomac, IL
- Average UV index in March: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in March
Potomac, IL
- Average cloud cover in March: 49
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June, August and September (Cloud cover 33).
Average visibility in March
Potomac, 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).
Potomac, Illinois, USA
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