March weather forecast
Saint Marie, MT

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Weather in March

March, the first month of the spring in Saint Marie, is a cold month, with an average temperature varying between 23.9°F (-4.5°C) and 38.3°F (3.5°C).

Temperature

Saint Marie in March showcases a distinct temperature shift, moving from an average high of a freezing cold 23.7°F (-4.6°C) in February to an icy 38.3°F (3.5°C). March nights are marked by an average low-temperature of 23.9°F (-4.5°C).

Humidity

In March, the average relative humidity is 77%.

Rainfall

In March, the rain falls for 6.6 days. Throughout March, 0.43" (11mm) of precipitation is accumulated. In Saint Marie, Montana, during the entire year, the rain falls for 90.8 days and collects up to 11.1" (282mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Saint Marie, in March, snow falls for 6.7 days, with typically accumulated 1.57" (40mm) of snow. In Saint Marie, during the entire year, snow falls for 43.8 days and aggregates up to 13.11" (333mm) of snow.

Daylight

In March, the average length of the day is 11h and 56min.
On the first day of March, sunrise is at 6:45 am and sunset at 5:50 pm MST. On the last day of the month, sunrise is at 6:44 am and sunset at 7:35 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 Saint Marie, Montana, the average sunshine in March is 6.6h.

UV index

In Saint Marie, the average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: During March, 2 as the daily maximum UV index converts into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is March cold?

The high-temperature, in March, in Saint Marie, records 38.3°F (3.5°C), while the low-temperature is 23.9°F (-4.5°C).

What is the average humidity in March?

In March, the average relative humidity is 77%.

How many days does it rain in March?

In Saint Marie, during March, the rain falls for 6.6 days and regularly aggregates up to 0.43" (11mm) of precipitation.

How many days does it snow in March in Saint Marie?

In Saint Marie, in March, during 6.7 snowfall days, 1.57" (40mm) of snow is typically accumulated.

What is the average length of the day in March?

In March, the average day length is 11h and 56min.

What time are sunrise and sunset in March?

On the first day of March, sunrise is at 6:45 am and sunset at 5:50 pm MST. On the last day of the month, sunrise is at 6:44 am and sunset at 7:35 pm MDT.

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

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 many hours of sunshine does Saint Marie have in March?

In March, the average sunshine duration is 6.6h.

What is the UV index reading in March?

In Saint Marie, the average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents 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
Saint Marie, MT

Average temperature in March - Saint Marie, MT
  • Average high temperature in March: 38.3°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is February (23.7°F).

  • Average low temperature in March: 23.9°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (10.2°F).

Average pressure in March
Saint Marie, MT

Average pressure in March - Saint Marie, MT
  • Average pressure in March: 30.03"Hg

The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in March
Saint Marie, MT

Average wind speed in March - Saint Marie, MT
  • Average wind speed in March: 10mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).

Average humidity in March
Saint Marie, MT

Average humidity in March - Saint Marie, MT
  • Average humidity in March: 77%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).

Average rainfall in March
Saint Marie, MT

Average rainfall in March - Saint Marie, MT
  • Average rainfall in March: 0.43"

The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and February (0.35").

Average rainfall days in March
Saint Marie, MT

Average rainfall days in March - Saint Marie, MT
  • Average rainfall days in March: 6.6 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in March
Saint Marie, MT

Average snowfall in March - Saint Marie, MT
  • Average snowfall in March: 1.57"

The month with the highest snowfall is December (2.6").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Saint Marie, MT

Average snowfall days in March - Saint Marie, MT
  • Average snowfall days in March: 6.7 days

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in March /
Average sunshine in March
Saint Marie, MT

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in March: 6h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in March
Saint Marie, MT

Average sunshine days in March - Saint Marie, MT
  • Average sunshine days in March: 18.9 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).

Average UV index in March
Saint Marie, MT

Average UV index in March - Saint Marie, 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).

Average cloud cover in March
Saint Marie, MT

Average cloud cover in March - Saint Marie, MT
  • Average cloud cover in March: 46

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 16).

Average visibility in March
Saint Marie, MT

Average visibility in March - Saint Marie, 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).

Saint Marie, Montana, USA

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