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
A notable increase in the average high-temperature is observed during March, soaring from a freezing cold 26.4°F (-3.1°C) in February to a cold 42.1°F (5.6°C). Duncan experiences a nighttime temperature average of 28.2°F (-2.1°C) during March.Humidity
In March, the average relative humidity is 79%.Rainfall
In Duncan, in March, it is raining for 9.6 days, with typically 1.54" (39mm) of accumulated precipitation. In Duncan, Iowa, during the entire year, the rain falls for 127.1 days and collects up to 24.8" (630mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Duncan. In March, in Duncan, it is snowing for 7.1 days. Throughout March, 3.03" (77mm) of snow is accumulated. In Duncan, during the entire year, snow falls for 51.2 days and aggregates up to 20.91" (531mm) of snow.Daylight
In March, the average length of the day is 11h and 58min.On the first day of March, sunrise is at 6:49 am and sunset at 6:04 pm CST. On the last day of the month, sunrise is at 6:56 am and sunset at 7:40 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 Duncan is 5.8h.UV index
The average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in March converts into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
How cold is it in Duncan in March?
What is the average humidity in March in Duncan?
How many days does it rain in March in Duncan?
How much does it snow in Duncan in March?
How many hours of daylight does Duncan have in March?
When are sunrise and sunset in March in Duncan?
When does Daylight Saving Time (DST) start in March in Duncan?
How long on average sun shines in March in Duncan?
What is the UV index intensity in March in Duncan?
Average temperature in March
Duncan, IA
- Average high temperature in March: 42.1°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in March: 28.2°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in March
Duncan, IA
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in March
Duncan, IA
- Average wind speed in March: 10.7mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in March
Duncan, IA
- Average humidity in March: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (69%).
Average rainfall in March
Duncan, IA
- Average rainfall in March: 1.54"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in March
Duncan, IA
- Average rainfall days in March: 9.6 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in March
Duncan, IA
- Average snowfall in March: 3.03"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Duncan, IA
- Average snowfall days in March: 7.1 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Duncan, IA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in March: 5h and 5min
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 42min).
Average sunshine days in March
Duncan, IA
- Average sunshine days in March: 15.8 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in March
Duncan, IA
- Average UV index in March: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in March
Duncan, IA
- Average cloud cover in March: 53
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in March
Duncan, IA
- Average visibility in March: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Duncan, Iowa, USA
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