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
The shift from February to March sees an increase in the average high-temperature, transitioning from a subzero cold 30.6°F (-0.8°C) to an icy 41.2°F (5.1°C). Winthrop Harbor experiences an average low-temperature reading of 30.6°F (-0.8°C) throughout March.Humidity
In Winthrop Harbor, Illinois, the average relative humidity in March is 78%.Rainfall
In Winthrop Harbor, in March, it is raining for 10.5 days, with typically 1.1" (28mm) of accumulated precipitation. In Winthrop Harbor, during the entire year, the rain falls for 142.5 days and collects up to 21.5" (546mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Winthrop Harbor, during March, snow falls for 6.2 days and regularly aggregates up to 0.79" (20mm) of snow. In Winthrop Harbor, during the entire year, snow falls for 45.5 days and aggregates up to 9.37" (238mm) of snow.Daylight
In Winthrop Harbor, the average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:25 am and sunset at 5:41 pm CST. On the last day of March, in Winthrop Harbor, sunrise is at 6:33 am and sunset at 7:16 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 March, the average sunshine in Winthrop Harbor, Illinois, is 6h.UV index
The average daily maximum UV index in March in Winthrop Harbor is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during March leads to these advisories:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Winthrop Harbor in March?
What is the average humidity in March in Winthrop Harbor?
How much does it rain in Winthrop Harbor in March?
How much does it snow in Winthrop Harbor in March?
What is the average length of the day in March in Winthrop Harbor?
When are sunrise and sunset in March in Winthrop Harbor?
When does Daylight Saving Time (DST) start in March in Winthrop Harbor?
How many hours of sunshine does Winthrop Harbor have in March?
How high is the UV index in March in Winthrop Harbor?
Average temperature in March
Winthrop Harbor, IL
- Average high temperature in March: 41.2°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in March: 30.6°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in March
Winthrop Harbor, IL
- Average pressure in March: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in March
Winthrop Harbor, IL
- Average wind speed in March: 10.7mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in March
Winthrop Harbor, IL
- Average humidity in March: 78%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in March
Winthrop Harbor, IL
- Average rainfall in March: 1.1"
The wettest months (with the highest rainfall) are June and August (2.68").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in March
Winthrop Harbor, IL
- Average rainfall days in March: 10.5 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in March
Winthrop Harbor, IL
- Average snowfall in March: 0.79"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Winthrop Harbor, IL
- Average snowfall days in March: 6.2 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Winthrop Harbor, 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 6min).
- Average sunshine in March: 6h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in March
Winthrop Harbor, IL
- Average sunshine days in March: 14.8 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in March
Winthrop Harbor, 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
Winthrop Harbor, IL
- Average cloud cover in March: 50
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in March
Winthrop Harbor, 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).
Winthrop Harbor, Illinois, USA
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