March weather forecastChesterfield, MO
March
Weather in March
With the arrival of March, the icy grip of winter starts to loosen on Chesterfield. As the city bids farewell to snow, rainfall registers a remarkable increase from 1.3" (33mm) in February to 1.85" (47mm) in March. Longer hours of daylight and the mild temperature offer a pleasant welcome to spring. The onset of blooming flowers and greener landscapes lift the city’s spirit. A fresh sense of rejuvenation permeates the air while Chesterfield residents embrace the change with open arms.Temperature
In Chesterfield, the onset of March comes with an increased average high-temperature, moving from February's wintry 42.4°F (5.8°C) to a cool 54.7°F (12.6°C). In Chesterfield, March nights witness a steady temperature drop to a cold 37.9°F (3.3°C).Humidity
In March, the average relative humidity is 75%.Rainfall
In Chesterfield, Missouri, during March, the rain falls for 13.1 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Chesterfield, during the entire year, the rain falls for 139.6 days and collects up to 26.1" (663mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. March is the last month it regularly snows. During 1.9 snowfall days, in March, Chesterfield aggregates 0.47" (12mm) of snow. In Chesterfield, during the entire year, snow falls for 18.9 days and aggregates up to 4.92" (125mm) of snow.Daylight
In March, the average length of the day is 11h and 59min.On the first day of March, sunrise is at 6:33 am and sunset at 5:55 pm CST. On the last day of the month, sunrise is at 6:47 am and sunset at 7:25 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 is 6.6h.UV index
In Chesterfield, Missouri, the average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In March, the maximum UV index of 4 translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Chesterfield, MO
- Average high temperature in March: 54.7°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 (37.8°F).
- Average low temperature in March: 37.9°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 (24.1°F).
Average pressure in March
Chesterfield, MO
- 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 (29.92"Hg).
Average wind speed in March
Chesterfield, MO
- Average wind speed in March: 8.6mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in March
Chesterfield, MO
- Average humidity in March: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in March
Chesterfield, MO
- Average rainfall in March: 1.85"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in March
Chesterfield, MO
- Average rainfall days in March: 13.1 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in March
Chesterfield, MO
- Average snowfall in March: 0.47"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in March
Chesterfield, MO
- Average snowfall days in March: 1.9 days
The month with the highest number of snowfall days is January (6.7 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
Chesterfield, MO
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in March: 6h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in March
Chesterfield, MO
- Average sunshine days in March: 15.5 days
The months with the most sunshine days are January and December (20.2 days).
The month with the least sunshine days is June (12 days).
Average UV index in March
Chesterfield, MO
- Average UV index in March: 4
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Chesterfield, MO
- Average cloud cover in March: 46
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in March
Chesterfield, MO
- 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).
