March weather forecast
Idaho Falls, ID

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An eye-catching shot of the Snake River, Idaho Falls, with a view of the iconic Idaho Falls Temple in the back
An eye-catching shot of the Snake River, Idaho Falls, with a view of the iconic Idaho Falls Temple in the back

Weather in March

As residents anxiously anticipate the arrival of spring, March's weather in Idaho Falls becomes less severe, yet retains some winter vestiges. The shift is marked by a significantly milder climate; and there is also a notable increase in brightness as the length of the day starts to extend. Nonetheless, winter still sprinkles the city with the occasional snow, giving way to increased rainfall only towards the end of the month. March represents a period of transition where idyllic spring weather begins to appear amidst bouts of winter reminders.

Temperature

As March begins, there is an increase in the average high-temperature, moving from a freezing cold 31.5°F (-0.3°C) in February to a frosty 43°F (6.1°C). Throughout March, Idaho Falls records an average temperature of 27.9°F (-2.3°C) at night.

Humidity

In March, the average relative humidity in Idaho Falls is 75%.

Rainfall

In March, the rain falls for 8.3 days. Throughout March, 0.59" (15mm) of precipitation is accumulated. In Idaho Falls, during the entire year, the rain falls for 84.3 days and collects up to 6.97" (177mm) of precipitation.

Snowfall

Months with snowfall in Idaho Falls are January through May, September through December. In Idaho Falls, in March, during 6.7 snowfall days, 2.83" (72mm) of snow is typically accumulated. In Idaho Falls, during the entire year, snow falls for 54.4 days and aggregates up to 16.89" (429mm) of snow.

Daylight

In Idaho Falls, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 7:02 am and sunset at 6:17 pm MST. On the last day of March, sunrise is at 7:09 am and sunset at 7:54 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 Idaho Falls, the average sunshine in March is 7.3h.

UV index

The months with the lowest UV index in Idaho Falls are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In March, the maximum UV index of 2 transforms into these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

Is March cold in Idaho Falls?

An average high-temperature, in March, in Idaho Falls, is 43°F (6.1°C) and the average low-temperature is 27.9°F (-2.3°C).

What is the average humidity in March in Idaho Falls?

The average relative humidity in March in Idaho Falls, Idaho, is 75%.

How much does it rain in Idaho Falls in March?

In March, the rain falls for 8.3 days. Throughout March, 0.59" (15mm) of precipitation is accumulated.

How many days does it snow in March in Idaho Falls?

In Idaho Falls, Idaho, in March, snow falls for 6.7 days, with typically accumulated 2.83" (72mm) of snow.

What is the average length of the day in March in Idaho Falls?

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

When are sunrise and sunset in March in Idaho Falls?

In March, on the first day of the month, sunrise is at 7:02 am and sunset at 6:17 pm MST. On the last day of the month, in Idaho Falls, Idaho, sunrise is at 7:09 am and sunset at 7:54 pm MDT.

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

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

The average sunshine duration in March in Idaho Falls is 7.3h.

What are the months with the lowest UV index in Idaho Falls?

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

What is the UV index intensity in March in Idaho Falls?

In Idaho Falls, Idaho, 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
Idaho Falls, ID

Average temperature in March - Idaho Falls, ID
  • Average high temperature in March: 43°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (27.9°F).

  • Average low temperature in March: 27.9°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

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Average pressure in March
Idaho Falls, ID

Average pressure in March - Idaho Falls, ID
  • Average pressure in March: 30.07"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in March
Idaho Falls, ID

Average wind speed in March - Idaho Falls, ID
  • Average wind speed in March: 7.8mph

The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).

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Average humidity in March
Idaho Falls, ID

Average humidity in March - Idaho Falls, ID
  • Average humidity in March: 75%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (35%).

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Average rainfall in March
Idaho Falls, ID

Average rainfall in March - Idaho Falls, ID
  • Average rainfall in March: 0.59"

The wettest months (with the highest rainfall) are May and September (0.83").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in March
Idaho Falls, ID

Average rainfall days in March - Idaho Falls, ID
  • Average rainfall days in March: 8.3 days

The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is January (3.7 days).

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Average snowfall in March
Idaho Falls, ID

Average snowfall in March - Idaho Falls, ID
  • Average snowfall in March: 2.83"

The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in March
Idaho Falls, ID

Average snowfall days in March - Idaho Falls, ID
  • Average snowfall days in March: 6.7 days

The month with the highest number of snowfall days is December (12.9 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
Idaho Falls, ID

Average daylight in March / Average sunshine in March - Idaho Falls, ID
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • 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 January (Average sunshine: 4h and 42min).

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Average sunshine days in March
Idaho Falls, ID

Average sunshine days in March - Idaho Falls, ID
  • Average sunshine days in March: 18.2 days

The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is February (16.2 days).

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Average UV index in March
Idaho Falls, ID

Average UV index in March - Idaho Falls, ID
  • 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
Idaho Falls, ID

Average cloud cover in March - Idaho Falls, ID
  • Average cloud cover in March: 43

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in March
Idaho Falls, ID

Average visibility in March - Idaho Falls, ID
  • 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 and February (4mi).

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Idaho Falls, Idaho, USA

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