March weather forecast
Custer, MT

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Weather in March

March, the first month of the spring in Custer, is a chilly month, with an average temperature ranging between max 45.5°F (7.5°C) and min 29.5°F (-1.4°C).

Temperature

March indicates a change in the average high-temperature, moving up from a wintry 32°F (0°C) in February to a frosty 45.5°F (7.5°C). Custer's average low-temperature in the month of March is recorded at a subzero cold 29.5°F (-1.4°C).

Humidity

The average relative humidity in March is 68%.

Rainfall

In Custer, in March, during 9.9 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Custer, during the entire year, the rain falls for 107 days and collects up to 12.17" (309mm) of precipitation.

Snowfall

Months with snowfall in Custer are January through May, September through December. In Custer, during March, snow falls for 6.9 days and regularly aggregates up to 2.2" (56mm) of snow. In Custer, during the entire year, snow falls for 48.3 days and aggregates up to 17.68" (449mm) of snow.

Daylight

The average length of the day in March is 11h and 57min.
On the first day of the month, sunrise is at 6:47 am and sunset at 5:57 pm MST. On the last day of March, sunrise is at 6:50 am and sunset at 7:38 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 in Custer is 7.4h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Custer. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 2 in March converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Custer in March?

Custer in March has an average high-temperature of 45.5°F (7.5°C) and an average low-temperature of 29.5°F (-1.4°C).

What is the average humidity in March in Custer?

In Custer, Montana, the average relative humidity in March is 68%.

How much does it rain in Custer in March?

In Custer, in March, during 9.9 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

How many days does it snow in March in Custer?

In Custer, Montana, in March, snow falls for 6.9 days, with typically accumulated 2.2" (56mm) of snow.

What is the average length of the day in March in Custer?

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

When is the sunrise / sunset in March in Custer?

In March, on the first day of the month, sunrise is at 6:47 am and sunset at 5:57 pm MST. On the last day of the month, in Custer, sunrise is at 6:50 am and sunset at 7:38 pm MDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Custer, 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 Custer?

In March, the average sunshine duration in Custer, Montana, is 7.4h.

What is the month with the lowest UV index in Custer?

The months with the lowest UV index in Custer are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in March in Custer?

In Custer, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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
Custer, MT

Average temperature in March - Custer, MT
  • Average high temperature in March: 45.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The months with the lowest average high temperature are January and December (31.1°F).

  • Average low temperature in March: 29.5°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

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Average pressure in March
Custer, MT

Average pressure in March - Custer, MT
  • Average pressure in March: 30"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in March
Custer, MT

Average wind speed in March - Custer, MT
  • Average wind speed in March: 8.9mph

The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).

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Average humidity in March
Custer, MT

Average humidity in March - Custer, MT
  • Average humidity in March: 68%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in March
Custer, MT

Average rainfall in March - Custer, MT
  • Average rainfall in March: 0.83"

The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is December (0.55").

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Average rainfall days in March
Custer, MT

Average rainfall days in March - Custer, MT
  • Average rainfall days in March: 9.9 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is December (4.5 days).

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Average snowfall in March
Custer, MT

Average snowfall in March - Custer, MT
  • Average snowfall in March: 2.2"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in March
Custer, MT

Average snowfall days in March - Custer, MT
  • Average snowfall days in March: 6.9 days

The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in March: 7h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

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Average sunshine days in March
Custer, MT

Average sunshine days in March - Custer, MT
  • Average sunshine days in March: 15.6 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.5 days).

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Average UV index in March
Custer, MT

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in March
Custer, MT

Average cloud cover in March - Custer, MT
  • Average cloud cover in March: 42

The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 15).

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Average visibility in March
Custer, MT

Average visibility in March - Custer, 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).

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Custer, Montana, USA

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