March weather forecast
Big Arm, MT

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Weather in March

The first month of the spring, March, is a wintry month in Big Arm, Montana, with an average temperature varying between 38.8°F (3.8°C) and 24.3°F (-4.3°C).

Temperature

Big Arm's transition into March is noticed by a slight rise in the average high-temperature, advancing from a subzero cold 30.6°F (-0.8°C) in February to a wintry 38.8°F (3.8°C). March brings an average low-temperature of 24.3°F (-4.3°C) to Big Arm.

Humidity

The average relative humidity in March in Big Arm, Montana, is 85%.

Rainfall

In March, the rain falls for 18.8 days. Throughout March, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 160.2 rainfall days, and 18.11" (460mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Big Arm, in March, snow falls for 14.5 days, with typically accumulated 6.14" (156mm) of snow. Throughout the year, in Big Arm, there are 99 snowfall days, and 47.28" (1201mm) of snow is accumulated.

Daylight

The average length of the day in March is 11h and 57min.
On the first day of March, sunrise is at 7:16 am and sunset at 6:22 pm MST. On the last day of the month, sunrise is at 7:15 am and sunset at 8:06 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

The average sunshine in March is 7h.

UV index

In Big Arm, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during March translates into these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Stay sun-safe with clothing that is both closely woven and worn loosely. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is March?

In Big Arm, 38.8°F (3.8°C) is the average high-temperature and 24.3°F (-4.3°C) is the average low-temperature during March.

What is the average humidity in March?

The average relative humidity in March is 85%.

How many days does it rain in March?

In Big Arm, in March, it is raining for 18.8 days, with typically 1.89" (48mm) of accumulated precipitation.

How much does it snow in March?

In March, it is snowing for 14.5 days. Throughout March, 6.14" (156mm) of snow is accumulated.

How many hours of daylight does Big Arm have in March?

In Big Arm, the average day length in March is 11h and 57min.

When are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 7:16 am and sunset at 6:22 pm MST. On the last day of the month, sunrise is at 7:15 am and sunset at 8:06 pm MDT.

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

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

How long on average sun shines in March?

In March, the average sunshine duration is 7h.

How high is the UV index in March?

In March, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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
Big Arm, MT

Average temperature in March - Big Arm, MT
  • Average high temperature in March: 38.8°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (27.9°F).

  • Average low temperature in March: 24.3°F

The months with the highest average low temperature are July and August (48.9°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).

Average pressure in March
Big Arm, MT

Average pressure in March - Big Arm, MT
  • Average pressure in March: 30.03"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in March
Big Arm, MT

Average wind speed in March - Big Arm, MT
  • Average wind speed in March: 4.5mph

The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in March
Big Arm, MT

Average humidity in March - Big Arm, MT
  • Average humidity in March: 85%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).

Average rainfall in March
Big Arm, MT

Average rainfall in March - Big Arm, MT
  • Average rainfall in March: 1.89"

The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.55").

Average rainfall days in March
Big Arm, MT

Average rainfall days in March - Big Arm, MT
  • Average rainfall days in March: 18.8 days

The months with the highest number of rainy days are March and April (18.8 days).
The month with the least rainy days is August (7 days).

Average snowfall in March
Big Arm, MT

Average snowfall in March - Big Arm, MT
  • Average snowfall in March: 6.14"

The month with the highest snowfall is February (10.28").
The months with the least snowfall are June, July and August (0").

Average snowfall days in March
Big Arm, MT

Average snowfall days in March - Big Arm, MT
  • Average snowfall days in March: 14.5 days

The month with the highest number of snowfall days is December (19.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in March /
Average sunshine in March
Big Arm, MT

Average daylight in March / Average sunshine in March - Big Arm, MT
  • Average daylight in March: 11h and 5min

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

  • Average sunshine in March: 7h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in March
Big Arm, MT

Average sunshine days in March - Big Arm, MT
  • Average sunshine days in March: 6.4 days

The month with the most sunshine days is July (21.3 days).
The month with the least sunshine days is March (6.4 days).

Average UV index in March
Big Arm, MT

Average UV index in March - Big Arm, MT
  • Average UV index in March: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in March
Big Arm, MT

Average cloud cover in March - Big Arm, MT
  • Average cloud cover in March: 49

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 14).

Average visibility in March
Big Arm, MT

Average visibility in March - Big Arm, MT
  • Average visibility in March: 5mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Big Arm, Montana, USA

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