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
As February transitions into March, Letcher sees a clear rise in the average high-temperature, escalating from a freezing cold 28.6°F (-1.9°C) to a frosty 44.4°F (6.9°C). Letcher, in the month of March, anticipates a consistent average low-temperature of 27.9°F (-2.3°C).Humidity
In Letcher, the average relative humidity in March is 76%.Rainfall
In March, the rain falls for 7.2 days. Throughout March, 0.83" (21mm) of precipitation is accumulated. In Letcher, South Dakota, during the entire year, the rain falls for 93.2 days and collects up to 11.3" (287mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Letcher, in March, snow falls for 5.4 days, with typically accumulated 1.3" (33mm) of snow. Throughout the year, there are 35.3 snowfall days, and 7.17" (182mm) of snow is accumulated.Daylight
In Letcher, the average length of the day in March is 11h and 58min.On the first day of March, sunrise is at 7:07 am and sunset at 6:21 pm CST. On the last day of the month, sunrise is at 7:14 am and sunset at 7:58 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 6.3h.UV index
In March, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In March, the maximum UV index of 3 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is March?
What is the average humidity in March?
How many days does it rain in March?
How much does it snow in March?
What is the average length of the day in March in Letcher?
When is the sunrise / sunset in March?
When does Daylight Saving Time (DST) start in March?
How long on average sun shines in March in Letcher?
What is the UV index reading in March?
Average temperature in March
Letcher, SD
- Average high temperature in March: 44.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in March: 27.9°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in March
Letcher, SD
- Average pressure in March: 30.06"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in March
Letcher, SD
- Average wind speed in March: 10.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in March
Letcher, SD
- Average humidity in March: 76%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are September and October (63%).
Average rainfall in March
Letcher, SD
- Average rainfall in March: 0.83"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February and November (0.28").
Average rainfall days in March
Letcher, SD
- Average rainfall days in March: 7.2 days
The month with the highest number of rainy days is June (13.6 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in March
Letcher, SD
- Average snowfall in March: 1.3"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
Letcher, SD
- Average snowfall days in March: 5.4 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Letcher, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in March
Letcher, SD
- Average sunshine days in March: 18.3 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in March
Letcher, 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 January (UV index 1).
Average cloud cover in March
Letcher, SD
- Average cloud cover in March: 48
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in March
Letcher, SD
- 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).
Letcher, South Dakota, USA
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