March weather forecast
Napa Junction, SD

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Weather in March

March, the first month of the spring in Napa Junction, is a frosty month, with temperature in the range of an average low of 30.2°F (-1°C) and an average high of 46.9°F (8.3°C).

Temperature

Napa Junction's weather experiences a significant temperature rise with the arrival of March, soaring from a freezing cold 30.6°F (-0.8°C) in February to a frosty 46.9°F (8.3°C). Napa Junction experiences a mean low-temperature of 30.2°F (-1°C) during March.

Humidity

In March, the average relative humidity is 73%.

Rainfall

In March, the rain falls for 8.8 days. Throughout March, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 117.9 rainfall days, and 21.93" (557mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In March, it is snowing for 5.3 days. Throughout March, 2.09" (53mm) of snow is accumulated. Throughout the year, there are 37.4 snowfall days, and 14.45" (367mm) of snow is accumulated.

Daylight

In Napa Junction, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 7:04 am and sunset at 6:19 pm CST. On the last day of March, sunrise is at 7:12 am and sunset at 7:55 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 Napa Junction, the average sunshine in March is 6.4h.

UV index

In March, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 3 during March translates into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in March?

The high-temperature, in March, in Napa Junction, is 46.9°F (8.3°C), while the low-temperature averages to 30.2°F (-1°C).

What is the average humidity in March?

The average relative humidity in March is 73%.

How many days does it rain in March?

In Napa Junction, in March, it is raining for 8.8 days, with typically 1.34" (34mm) of accumulated precipitation.

How many days does it snow in March?

In Napa Junction, in March, during 5.3 snowfall days, 2.09" (53mm) of snow is typically accumulated.

How many hours of daylight does Napa Junction have in March?

In March, the average day length in Napa Junction is 11h and 58min.

When are sunrise and sunset in March?

On the first day of March, sunrise is at 7:04 am and sunset at 6:19 pm CST. On the last day of the month, sunrise is at 7:12 am and sunset at 7:55 pm CDT.

When does Daylight Saving Time (DST) start in March in Napa Junction?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Napa Junction, and the time zone changes from CST to CDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Napa Junction have in March?

The average sunshine duration in March is 6.4h.

How high is the UV index in March?

In Napa Junction, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Napa Junction, SD

Average temperature in March - Napa Junction, SD
  • Average high temperature in March: 46.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in March: 30.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in March
Napa Junction, SD

Average pressure in March - Napa Junction, 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 (29.85"Hg).

Average wind speed in March
Napa Junction, SD

Average wind speed in March - Napa Junction, SD
  • Average wind speed in March: 10.8mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

Average humidity in March
Napa Junction, SD

Average humidity in March - Napa Junction, SD
  • Average humidity in March: 73%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).

Average rainfall in March
Napa Junction, SD

Average rainfall in March - Napa Junction, SD
  • Average rainfall in March: 1.34"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").

Average rainfall days in March
Napa Junction, SD

Average rainfall days in March - Napa Junction, SD
  • Average rainfall days in March: 8.8 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in March
Napa Junction, SD

Average snowfall in March - Napa Junction, SD
  • Average snowfall in March: 2.09"

The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Napa Junction, SD

Average snowfall days in March - Napa Junction, SD
  • Average snowfall days in March: 5.3 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Napa Junction, SD

Average daylight in March / Average sunshine in March - Napa Junction, SD
  • 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: 6h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in March
Napa Junction, SD

Average sunshine days in March - Napa Junction, SD
  • Average sunshine days in March: 16.7 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in March
Napa Junction, SD

Average UV index in March - Napa Junction, 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
Napa Junction, SD

Average cloud cover in March - Napa Junction, SD
  • Average cloud cover in March: 47

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in March
Napa Junction, SD

Average visibility in March - Napa Junction, 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).

Napa Junction, South Dakota, USA

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