March weather forecast
Sun River, MT

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Weather in March

The first month of the spring, March, is an icy month in Sun River, Montana, with an average temperature ranging between max 42.6°F (5.9°C) and min 27°F (-2.8°C).

Temperature

The shift into March is characterized by a rise in the average high-temperature, transitioning from February's freezing cold 31.3°F (-0.4°C) to an icy 42.6°F (5.9°C). During March nights, Sun River records an average temperature of 27°F (-2.8°C).

Humidity

The average relative humidity in March in Sun River is 72%.

Rainfall

In Sun River, in March, it is raining for 10.3 days, with typically 0.91" (23mm) of accumulated precipitation. In Sun River, during the entire year, the rain falls for 112.8 days and collects up to 12.95" (329mm) of precipitation.

Snowfall

Months with snowfall in Sun River are January through May, September through December. In March, in Sun River, Montana, it is snowing for 9.9 days. Throughout March, 4.92" (125mm) of snow is accumulated. Throughout the year, there are 69.4 snowfall days, and 35.35" (898mm) of snow is accumulated.

Daylight

In Sun River, Montana, the average length of the day in March is 11h and 57min.
On the first day of the month, sunrise is at 7:05 am and sunset at 6:12 pm MST. On the last day of March, in Sun River, sunrise is at 7:05 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

In March, the average sunshine in Sun River is 7.5h.

UV index

The months with the lowest UV index in Sun River are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 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. To guard against the harmful effects of the Sun, minimize exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

How cold is March in Sun River?

The average high-temperature, in March, in Sun River, is 42.6°F (5.9°C), while the average low-temperature is 27°F (-2.8°C).

What is the average humidity in March in Sun River?

The average relative humidity in March in Sun River, Montana, is 72%.

How much does it rain in Sun River in March?

In Sun River, Montana, in March, during 10.3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

How much does it snow in Sun River in March?

In Sun River, Montana, in March, during 9.9 snowfall days, 4.92" (125mm) of snow is typically accumulated.

How many hours of daylight does Sun River have in March?

The average day length in March in Sun River, Montana, is 11h and 57min.

When is the sunrise / sunset in March in Sun River?

In March, on the first day of the month, sunrise is at 7:05 am and sunset at 6:12 pm MST. On the last day of the month, in Sun River, Montana, sunrise is at 7:05 am and sunset at 7:55 pm MDT.

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

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

In March, the average sunshine duration in Sun River is 7.5h.

When is the lowest UV index in Sun River?

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

What is the UV index intensity in March in Sun River?

The average daily maximum UV index in March in Sun River is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Sun River, MT

Average temperature in March - Sun River, MT
  • Average high temperature in March: 42.6°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (29.5°F).

  • Average low temperature in March: 27°F

The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is December (17.4°F).

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Average pressure in March
Sun River, MT

Average pressure in March - Sun River, MT
  • Average pressure in March: 30.01"Hg

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

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Average wind speed in March
Sun River, MT

Average wind speed in March - Sun River, MT
  • Average wind speed in March: 9.4mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in March
Sun River, MT

Average humidity in March - Sun River, MT
  • Average humidity in March: 72%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in March
Sun River, MT

Average rainfall in March - Sun River, MT
  • Average rainfall in March: 0.91"

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are January and July (0.63").

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Average rainfall days in March
Sun River, MT

Average rainfall days in March - Sun River, MT
  • Average rainfall days in March: 10.3 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in March
Sun River, MT

Average snowfall in March - Sun River, MT
  • Average snowfall in March: 4.92"

The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in March
Sun River, MT

Average snowfall days in March - Sun River, MT
  • Average snowfall days in March: 9.9 days

The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in March /
Average sunshine in March
Sun River, MT

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

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 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in March
Sun River, MT

Average sunshine days in March - Sun River, MT
  • Average sunshine days in March: 13 days

The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (10.3 days).

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Average UV index in March
Sun River, MT

Average UV index in March - Sun River, 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).

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Average cloud cover in March
Sun River, MT

Average cloud cover in March - Sun River, MT
  • Average cloud cover in March: 41

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 14).

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Average visibility in March
Sun River, MT

Average visibility in March - Sun River, 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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Sun River, Montana, USA

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