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 shift in Iona's weather is noticeable as February turns into March, with the average high temperature increases from a freezing cold 29.8°F (-1.2°C) to a frosty 45°F (7.2°C). During the month of March, an average temperature of 29.1°F (-1.6°C) is noted during the nights.Humidity
In Iona, South Dakota, the average relative humidity in March is 74%.Rainfall
In Iona, in March, it is raining for 8.8 days, with typically 1.26" (32mm) of accumulated precipitation. In Iona, during the entire year, the rain falls for 107.6 days and collects up to 17.83" (453mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Iona. In Iona, during March, snow falls for 8.3 days and regularly aggregates up to 3.39" (86mm) of snow. Throughout the year, in Iona, there are 50.9 snowfall days, and 17.87" (454mm) of snow is accumulated.Daylight
The average length of the day in March in Iona is 11h and 58min.On the first day of March, sunrise is at 7:12 am and sunset at 6:27 pm CST. On the last day of the month, sunrise is at 7:19 am and sunset at 8:03 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 Iona, South Dakota, is 6.8h.UV index
The average daily maximum UV index in March in Iona, South Dakota, is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In March, the maximum UV index of 3 translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What is the temperature in March in Iona?
What is the average humidity in March in Iona?
How many days does it rain in March in Iona?
How many days does it snow in March in Iona?
How many hours of daylight does Iona have in March?
What time are sunrise and sunset in March in Iona?
When does Daylight Saving Time (DST) start in March in Iona?
How many hours of sunshine does Iona have in March?
How high is the UV index in March in Iona?
Average temperature in March
Iona, SD
- Average high temperature in March: 45°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in March: 29.1°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in March
Iona, SD
- Average pressure in March: 30.05"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in March
Iona, SD
- Average wind speed in March: 10.6mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in March
Iona, SD
- Average humidity in March: 74%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).
Average rainfall in March
Iona, SD
- Average rainfall in March: 1.26"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").
Average rainfall days in March
Iona, SD
- Average rainfall days in March: 8.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in March
Iona, SD
- Average snowfall in March: 3.39"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Iona, SD
- Average snowfall days in March: 8.3 days
The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Iona, SD
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in March: 6h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in March
Iona, SD
- Average sunshine days in March: 14.8 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in March
Iona, SD
- 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 February (UV index 1).
Average cloud cover in March
Iona, SD
- Average cloud cover in March: 45
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in March
Iona, SD
- 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).
Iona, South Dakota, USA
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