March weather forecast
Garrison, MT

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Weather in March

March, the first month of the spring in Garrison, is a wintry month, with an average temperature varying between 35.4°F (1.9°C) and 19.8°F (-6.8°C).

Temperature

The shift into March is accompanied by a modest temperature increase, with the average high-temperature edging up from a subzero cold 27.5°F (-2.5°C) in February to a cold 35.4°F (1.9°C). Garrison, in March, experiences an average temperature of 19.8°F (-6.8°C) at night.

Humidity

In Garrison, the average relative humidity in March is 85%.

Rainfall

In Garrison, during March, the rain falls for 11.5 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, in Garrison, there are 122.8 rainfall days, and 17.13" (435mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In March, it is snowing for 20.2 days. Throughout March, 12.68" (322mm) of snow is accumulated. Throughout the year, there are 125.4 snowfall days, and 77.91" (1979mm) of snow is accumulated.

Daylight

In Garrison, the average length of the day in March is 11h and 57min.
On the first day of the month, sunrise is at 7:08 am and sunset at 6:17 pm MST. On the last day of March, sunrise is at 7:10 am and sunset at 7:59 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 is 7.4h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In March, the maximum UV index of 2 suggests this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

How cold is it in March?

Garrison in March has an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 19.8°F (-6.8°C).

What is the average humidity in March?

In Garrison, the average relative humidity in March is 85%.

How much does it rain in March?

In Garrison, in March, during 11.5 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

How many days does it snow in March?

In Garrison, in March, during 20.2 snowfall days, 12.68" (322mm) of snow is typically accumulated.

How many hours of daylight does Garrison have in March?

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

What time are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 7:08 am and sunset at 6:17 pm MST. On the last day of the month, sunrise is at 7:10 am and sunset at 7:59 pm MDT.

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

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 Garrison have in March?

The average sunshine duration in March is 7.4h.

What are the months with the lowest UV index?

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

How high is the UV index in March?

The average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to 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
Garrison, MT

Average temperature in March - Garrison, MT
  • Average high temperature in March: 35.4°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in March: 19.8°F

The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).

Average pressure in March
Garrison, MT

Average pressure in March - Garrison, MT
  • Average pressure in March: 30.05"Hg

The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in March
Garrison, MT

Average wind speed in March - Garrison, MT
  • Average wind speed in March: 6mph

The windiest months (with the highest average wind speed) are January, April and November (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in March
Garrison, MT

Average humidity in March - Garrison, MT
  • Average humidity in March: 85%

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are July and August (49%).

Average rainfall in March
Garrison, MT

Average rainfall in March - Garrison, MT
  • Average rainfall in March: 1.73"

The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is August (0.67").

Average rainfall days in March
Garrison, MT

Average rainfall days in March - Garrison, MT
  • Average rainfall days in March: 11.5 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is August (7.3 days).

Average snowfall in March
Garrison, MT

Average snowfall in March - Garrison, MT
  • Average snowfall in March: 12.68"

The month with the highest snowfall is February (12.76").
The months with the least snowfall are July and August (0").

Average snowfall days in March
Garrison, MT

Average snowfall days in March - Garrison, MT
  • Average snowfall days in March: 20.2 days

The month with the highest number of snowfall days is February (20.3 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in March /
Average sunshine in March
Garrison, MT

Average daylight in March / Average sunshine in March - Garrison, 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 36min).

  • Average sunshine in March: 7h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in March
Garrison, MT

Average sunshine days in March - Garrison, MT
  • Average sunshine days in March: 8.3 days

The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is April (6.3 days).

Average UV index in March
Garrison, MT

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

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in March
Garrison, MT

Average cloud cover in March - Garrison, MT
  • Average cloud cover in March: 47

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in March
Garrison, MT

Average visibility in March - Garrison, MT
  • Average visibility in March: 4mi

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

Garrison, Montana, USA

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