March weather forecast
Roundup, MT

Weather in March

The first month of the spring, March, is a chilly month in Roundup, Montana, with temperature in the range of an average high of 45°F (7.2°C) and an average low of 29.3°F (-1.5°C).

Temperature

In Roundup, the average high-temperature in March increases from a cold 32.5°F (0.3°C) in February to a frosty 45°F (7.2°C). In Roundup, the average low-temperature is 29.3°F (-1.5°C).

Humidity

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

Rainfall

In Roundup, during 8.6 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 114.3 rainfall days, and 12.13" (308mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Roundup, Montana, 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 March, the average length of the day in Roundup, Montana, is 11h and 57min.
On the first day of the month, sunrise is at 6:52 am and sunset at 6:00 pm MST. On the last day of March, in Roundup, sunrise is at 6:54 am and sunset at 7:41 pm MDT.
Note: On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time lasts until Sunday, November 6. 2022, 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

In Roundup, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in March interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in March in Roundup?

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

How much does it rain in Roundup in March?

In March, in Roundup, Montana, the rain falls for 8.6 days. Throughout March, 0.67" (17mm) of precipitation is accumulated.

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?

In Roundup, Montana, the average day length in March is 11h and 57min.

When is the sunrise / sunset in March in Roundup?

In March, on the first day of the month, sunrise is at 6:52 am and sunset at 6:00 pm MST. On the last day of the month, in Roundup, sunrise is at 6:54 am and sunset at 7:41 pm MDT.

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

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Roundup, and the time zone changes from MST to MDT. DST ends Sunday, November 6. 2022, at 2:00 am.

How long on average sun shines in March in Roundup?

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

What is the UV index reading in March in Roundup?

The average daily maximum UV index in March in Roundup, Montana, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
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: 11h and 57min

The month with the longest days is June (Average daylight: 15h and 45min).
The month with the shortest days is December (Average daylight: 8h and 40min).

  • Average sunshine in March: 7h and 12min

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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