March weather forecastGreat Falls, MT

A far view from on top of the vast Missouri River of the City of Lights, Great Falls, Montana

March

Weather in March

Transitioning from winter, March brings the onset of spring to Great Falls. Among the clear indicators of this is a substantial rise in temperature, reaching upto 43.3°F (6.3°C). This period sees a relative decrease in snowfall, while the rain tends to prevail with 0.35" (9mm) precipitated. As the year progresses from March to April, residents will experience a noticeable extension in the daylight period. This weather transition makes it a perfect time for hikes and nature walks.

Temperature

March brings an increase in the average high-temperature, progressing from a subzero cold 31.6°F (-0.2°C) in February to a chilly 43.3°F (6.3°C). March sees the temperature falling to a mean low of 27°F (-2.8°C).

Humidity

In March, the average relative humidity is 70%.

Rainfall

In Great Falls, in March, during 6 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Great Falls, during the entire year, the rain falls for 68.2 days and collects up to 4.49" (114mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Great Falls, in March, snow falls for 6.5 days, with typically accumulated 1.77" (45mm) of snow. In Great Falls, during the entire year, snow falls for 45.4 days and aggregates up to 11.61" (295mm) of snow.

Daylight

In Great Falls, the average length of the day in March is 11h and 57min.
On the first day of March, sunrise is at 7:03 am and sunset at 6:10 pm MST. On the last day of the month, sunrise is at 7:03 am and sunset at 7:54 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 March, the average sunshine in Great Falls is 7.7h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In March, a daily UV index of 2 turns into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During March, Great Falls experiences an average high-temperature of 43.3°F (6.3°C) and a low-temperature of 27°F (-2.8°C).

In March, the average relative humidity is 70%.

In Great Falls, in March, during 6 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

In Great Falls, during March, snow falls for 6.5 days and regularly aggregates up to 1.77" (45mm) of snow.

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

On the first day of March, sunrise is at 7:03 am and sunset at 6:10 pm MST. On the last day of the month, sunrise is at 7:03 am and sunset at 7:54 pm MDT.

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.

The average sunshine duration in March is 7.7h.

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

In Great Falls, the average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F March A M J J A S O N D

Feb

March

Apr

Average high temperature

31.6°F

43.3°F

52.3°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.6mph

10.5mph

10.9mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

16.2

20.5

16.2

Average UV index

Average cloud cover

46%

40%

Average visibility

6mi

Average temperature in March
Great Falls, MT

Average high temperature in March: 43.3°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (30°F).

Average low temperature in March: 27°F

The month with the highest average low temperature is August (57.7°F).
The coldest months (with the lowest average low temperature) are February and December (18.3°F).

Average pressure in March
Great Falls, MT

Average pressure in March: 30.01"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in March
Great Falls, MT

Average wind speed in March: 9.9mph

The windiest month (with the highest average wind speed) is November (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.7mph).

Average humidity in March
Great Falls, MT

Average humidity in March: 70%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).

Average rainfall in March
Great Falls, MT

Average rainfall in March: 0.35"

The wettest month (with the highest rainfall) is June (0.87").
The driest month (with the least rainfall) is December (0.16").

Average rainfall days in March
Great Falls, MT

Average rainfall days in March: 6 days

The month with the highest number of rainy days is April (9.9 days).
The month with the least rainy days is December (2.7 days).

Average snowfall in March
Great Falls, MT

Average snowfall in March: 1.77"

The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July and August (0").

Average snowfall days in March
Great Falls, MT

Average snowfall days in March: 6.5 days

The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in March /
Average sunshine in March
Great Falls, MT

Average daylight in March: 11h and 54min

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 42min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).

Average sunshine days in March
Great Falls, MT

Average sunshine days in March: 20.5 days

The month with the most sunshine days is July (26.1 days).
The months with the least sunshine days are February and April (16.2 days).

Average UV index in March
Great Falls, MT

Average UV index in March: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in March
Great Falls, MT

Average cloud cover in March: 40

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 13).

Average visibility in March
Great Falls, 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).