March weather forecast
Watertown, SD

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Weather in March

March brings with it the feeling of rebirth as the winter winds lose their grip over Watertown. A clear escalation in temperature is obvious with highs reaching up to 38.1°F (3.4°C) from the bitter 22.5°F (-5.3°C) of February. Days extend to 12 hours of daylight, and snowfall drops to 2.2" (56mm), predictably over fewer days. Spring activities start to peek out as more daylight and rising temperatures beckon Watertown residents outdoors. March is a transitional weather period, marking an end to the harsh winter and a beginning to softer spring temperatures.

Temperature

Witnessing a clear rise in March, the average high-temperature escalates from February's subzero cold 22.5°F (-5.3°C) to a cold 38.1°F (3.4°C). Watertown experiences an average low-temperature reading of 23.7°F (-4.6°C) throughout March.

Humidity

The average relative humidity in March in Watertown is 82%.

Rainfall

In Watertown, in March, it is raining for 7.8 days, with typically 1.02" (26mm) of accumulated precipitation. In Watertown, during the entire year, the rain falls for 112.3 days and collects up to 18.78" (477mm) of precipitation.

Snowfall

Months with snowfall in Watertown, South Dakota, are January through May, October through December. In March, it is snowing for 10 days. Throughout March, 2.2" (56mm) of snow is accumulated. In Watertown, South Dakota, during the entire year, snow falls for 64.3 days and aggregates up to 17.56" (446mm) of snow.

Daylight

In March, the average length of the day in Watertown, South Dakota, is 11h and 58min.
On the first day of March, sunrise is at 7:04 am and sunset at 6:16 pm CST. On the last day of the month, sunrise is at 7:09 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 Watertown, the average sunshine in March is 5.4h.

UV index

In March, the average daily maximum UV index in Watertown, South Dakota, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 2 during March translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

How cold does it get in Watertown in March?

During March, Watertown experiences an average high-temperature of 38.1°F (3.4°C) and a low-temperature of 23.7°F (-4.6°C).

What is the average humidity in March in Watertown?

The average relative humidity in March in Watertown, South Dakota, is 82%.

How many days does it rain in March in Watertown?

In Watertown, South Dakota, during March, the rain falls for 7.8 days and regularly aggregates up to 1.02" (26mm) of precipitation.

How many days does it snow in March in Watertown?

In Watertown, during March, snow falls for 10 days and regularly aggregates up to 2.2" (56mm) of snow.

What is the average length of the day in March in Watertown?

The average day length in March in Watertown is 11h and 58min.

When are sunrise and sunset in March in Watertown?

On the first day of March in Watertown, sunrise is at 7:04 am and sunset at 6:16 pm CST. On the last day of the month, sunrise is at 7:09 am and sunset at 7:55 pm CDT.

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

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

How long on average sun shines in March in Watertown?

The average sunshine duration in March in Watertown, South Dakota, is 5.4h.

What is the UV index intensity in March in Watertown?

In Watertown, South Dakota, the average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's 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
Watertown, SD

Average temperature in March - Watertown, SD
  • Average high temperature in March: 38.1°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in March: 23.7°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).

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Average pressure in March
Watertown, SD

Average pressure in March - Watertown, SD
  • Average pressure in March: 30.08"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).

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Average wind speed in March
Watertown, SD

Average wind speed in March - Watertown, SD
  • Average wind speed in March: 10.9mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

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Average humidity in March
Watertown, SD

Average humidity in March - Watertown, SD
  • Average humidity in March: 82%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).

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Average rainfall in March
Watertown, SD

Average rainfall in March - Watertown, SD
  • Average rainfall in March: 1.02"

The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").

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Average rainfall days in March
Watertown, SD

Average rainfall days in March - Watertown, SD
  • Average rainfall days in March: 7.8 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).

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Average snowfall in March
Watertown, SD

Average snowfall in March - Watertown, SD
  • Average snowfall in March: 2.2"

The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in March
Watertown, SD

Average snowfall days in March - Watertown, SD
  • Average snowfall days in March: 10 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in March /
Average sunshine in March
Watertown, SD

Average daylight in March / Average sunshine in March - Watertown, SD
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in March: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in March
Watertown, SD

Average sunshine days in March - Watertown, SD
  • Average sunshine days in March: 14.2 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in March
Watertown, SD

Average UV index in March - Watertown, SD
  • 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).

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Average cloud cover in March
Watertown, SD

Average cloud cover in March - Watertown, SD
  • Average cloud cover in March: 56

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in March
Watertown, SD

Average visibility in March - Watertown, 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).

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Watertown, South Dakota, USA

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