March weather forecast
Mammoth, MT

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Weather in March

The first month of the spring, March, is a cold month in Mammoth, Montana, with an average temperature varying between 38.1°F (3.4°C) and 21.9°F (-5.6°C).

Temperature

Mammoth in March experiences a slight uptick in the average high-temperature, adjusting from February's subzero cold 29.3°F (-1.5°C) to an icy 38.1°F (3.4°C). March nights cool down to an average low-temperature of 21.9°F (-5.6°C).

Humidity

The average relative humidity in March is 78%.

Rainfall

In Mammoth, during March, the rain falls for 16.4 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, there are 158 rainfall days, and 12.2" (310mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In March, it is snowing for 1.6 days. Throughout March, 0.35" (9mm) of snow is accumulated. In Mammoth, during the entire year, snow falls for 20.8 days and aggregates up to 5.12" (130mm) of snow.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 7:04 am and sunset at 6:15 pm MST. On the last day of March, sunrise is at 7:08 am and sunset at 7:55 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 8.4h.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In March, a daily maximum UV index of 2 leads to the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

Is March cold?

In Mammoth, in March, the average high-temperature is 38.1°F (3.4°C), and the average low-temperature is 21.9°F (-5.6°C).

What is the average humidity in March in Mammoth?

In March, the average relative humidity is 78%.

How many days does it rain in March?

In Mammoth, during March, the rain falls for 16.4 days and regularly aggregates up to 0.98" (25mm) of precipitation.

How many days does it snow in March?

In Mammoth, in March, snow falls for 1.6 days, with typically accumulated 0.35" (9mm) of snow.

How many hours of daylight does Mammoth have in March?

In Mammoth, the average day length in March is 11h and 58min.

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 7:04 am and sunset at 6:15 pm MST. On the last day of the month, sunrise is at 7:08 am and sunset at 7:55 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 Mammoth have in March?

In March, the average sunshine duration is 8.4h.

When is 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 in Mammoth.

How high is the UV index in March in Mammoth?

In Mammoth, the average daily maximum UV index in March is 2. A UV Index reading 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
Mammoth, MT

Average temperature in March - Mammoth, MT
  • Average high temperature in March: 38.1°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is December (26.4°F).

  • Average low temperature in March: 21.9°F

The month with the highest average low temperature is July (47.7°F).
The coldest month (with the lowest average low temperature) is December (11.3°F).

Average pressure in March
Mammoth, MT

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

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in March
Mammoth, MT

Average wind speed in March - Mammoth, MT
  • Average wind speed in March: 6.2mph

The windiest month (with the highest average wind speed) is November (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in March
Mammoth, MT

Average humidity in March - Mammoth, MT
  • Average humidity in March: 78%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (46%).

Average rainfall in March
Mammoth, MT

Average rainfall in March - Mammoth, MT
  • Average rainfall in March: 0.98"

The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in March
Mammoth, MT

Average rainfall days in March - Mammoth, MT
  • Average rainfall days in March: 16.4 days

The month with the highest number of rainy days is April (18.6 days).
The month with the least rainy days is August (8.6 days).

Average snowfall in March
Mammoth, MT

Average snowfall in March - Mammoth, MT
  • Average snowfall in March: 0.35"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in March
Mammoth, MT

Average snowfall days in March - Mammoth, MT
  • Average snowfall days in March: 1.6 days

The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Mammoth, MT
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in March: 8h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in March
Mammoth, MT

Average sunshine days in March - Mammoth, MT
  • Average sunshine days in March: 11.6 days

The month with the most sunshine days is July (17.8 days).
The month with the least sunshine days is April (7.8 days).

Average UV index in March
Mammoth, MT

Average UV index in March - Mammoth, 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
Mammoth, MT

Average cloud cover in March - Mammoth, MT
  • Average cloud cover in March: 37

The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 14).

Average visibility in March
Mammoth, MT

Average visibility in March - Mammoth, MT
  • Average visibility in March: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

Mammoth, Montana, USA

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