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
March's arrival sees a clear escalation in the average high-temperature, rising from February's cold 32.5°F (0.3°C) to a chilly 47.8°F (8.8°C). Saint Charles's average low-temperature in March is measured at a wintry 32.5°F (0.3°C).Humidity
The average relative humidity in March is 75%.Rainfall
In March, the rain falls for 10.5 days. Throughout March, 1.77" (45mm) of precipitation is accumulated. In Saint Charles, during the entire year, the rain falls for 133 days and collects up to 26.14" (664mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Saint Charles, in March, snow falls for 5 days, with typically accumulated 1.97" (50mm) of snow. Throughout the year, there are 35 snowfall days, and 15.04" (382mm) of snow is accumulated.Daylight
The average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:06 pm CST. On the last day of March, sunrise is at 6:58 am and sunset at 7:39 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 is 6.1h.UV index
The average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 3 during March translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Charles in March?
What is the average humidity in March?
How much does it rain in March?
How much does it snow in March?
How many hours of daylight does Saint Charles have in March?
What time are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How long on average sun shines in March?
What is the UV index reading in March?
Average temperature in March
Saint Charles, IA
- Average high temperature in March: 47.8°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in March: 32.5°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in March
Saint Charles, IA
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in March
Saint Charles, IA
- Average wind speed in March: 10.4mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in March
Saint Charles, IA
- Average humidity in March: 75%
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in March
Saint Charles, IA
- Average rainfall in March: 1.77"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in March
Saint Charles, IA
- Average rainfall days in March: 10.5 days
The month with the highest number of rainy days is June (17.9 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall in March
Saint Charles, IA
- Average snowfall in March: 1.97"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Saint Charles, IA
- Average snowfall days in March: 5 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Saint Charles, IA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in March: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in March
Saint Charles, IA
- Average sunshine days in March: 15.7 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in March
Saint Charles, IA
- Average UV index in March: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in March
Saint Charles, IA
- Average cloud cover in March: 49
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in March
Saint Charles, IA
- Average visibility in March: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Saint Charles, Iowa, USA
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