March weather forecast
Roundup, MT

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Weather in March

March indicates an advent toward spring in Roundup, Montana, with weather conditions easing out. The temperature rises notably with highs peaking around 45°F (7.2°C), offering gradual relief from the winter chill. However, snowfall continues as remnants of winter, with shorter snowfall days compared to the previous months. The lengthening days and clear skies mark an increase in sunshine hours, hinting at the coming spring.

Temperature

As Roundup transitions into March, the average high-temperature is observed to rise from a cold 32.5°F (0.3°C) in February to a chilly 45°F (7.2°C). Roundup, in March, experiences an average temperature of 29.3°F (-1.5°C) at night.

Humidity

The average relative humidity in March in Roundup is 68%.

Rainfall

In March, the rain falls for 8.6 days. Throughout March, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Roundup, there are 114.3 rainfall days, and 12.13" (308mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Roundup, in March, during 7.3 snowfall days, 1.77" (45mm) of snow is typically accumulated. In Roundup, during the entire year, snow falls for 53.5 days and aggregates up to 18.58" (472mm) of snow.

Daylight

In Roundup, the average length of the day in March is 11h and 57min.
On the first day of the month, sunrise is at 6:51 am and sunset at 6:00 pm MST. On the last day of March, sunrise is at 6:53 am and sunset at 7:42 pm MDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from MDT to MST.

Sunshine

In Roundup, the average sunshine in March is 7.2h.

UV index

The average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 2 during March translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Roundup in March?

The high-temperature, in March, in Roundup, records 45°F (7.2°C), while the low-temperature is 29.3°F (-1.5°C).

What is the average humidity in March in Roundup?

In March, the average relative humidity in Roundup is 68%.

How many days does it rain in March in Roundup?

In Roundup, in March, it is raining for 8.6 days, with typically 0.67" (17mm) of accumulated precipitation.

How many days does it snow in March in Roundup?

In Roundup, Montana, in March, during 7.3 snowfall days, 1.77" (45mm) of snow is typically accumulated.

How many hours of daylight does Roundup have in March?

The average day length in March is 11h and 57min.

When are sunrise and sunset in March in Roundup?

In March, on the first day of the month, sunrise is at 6:51 am and sunset at 6:00 pm MST. On the last day of the month, in Roundup, Montana, sunrise is at 6:53 am and sunset at 7:42 pm MDT.

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

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

How many hours of sunshine does Roundup have in March?

In March, the average sunshine duration in Roundup, Montana, is 7.2h.

How high is the UV index in March in Roundup?

The average daily maximum UV index in March in Roundup is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Roundup, MT

Average temperature in March - Roundup, MT
  • Average high temperature in March: 45°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (31.1°F).

  • Average low temperature in March: 29.3°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).

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Average pressure in March
Roundup, MT

Average pressure in March - Roundup, MT
  • Average pressure in March: 30"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in March
Roundup, MT

Average wind speed in March - Roundup, MT
  • Average wind speed in March: 9.9mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).

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Average humidity in March
Roundup, MT

Average humidity in March - Roundup, MT
  • Average humidity in March: 68%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in March
Roundup, MT

Average rainfall in March - Roundup, MT
  • Average rainfall in March: 0.67"

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in March
Roundup, MT

Average rainfall days in March - Roundup, MT
  • Average rainfall days in March: 8.6 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in March
Roundup, MT

Average snowfall in March - Roundup, MT
  • Average snowfall in March: 1.77"

The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in March
Roundup, MT

Average snowfall days in March - Roundup, MT
  • Average snowfall days in March: 7.3 days

The month with the highest number of snowfall days is February (11.1 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
Roundup, MT

Average daylight in March / Average sunshine in March - Roundup, MT
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in March: 7h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).

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Average sunshine days in March
Roundup, MT

Average sunshine days in March - Roundup, MT
  • Average sunshine days in March: 16.3 days

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (12.8 days).

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Average UV index in March
Roundup, MT

Average UV index in March - Roundup, MT
  • Average UV index in March: 2

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in March
Roundup, MT

Average cloud cover in March - Roundup, MT
  • Average cloud cover in March: 43

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 16).

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Average visibility in March
Roundup, MT

Average visibility in March - Roundup, MT
  • 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).

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Roundup, Montana, USA

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