March weather forecastIdaho Falls, ID

March
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
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 18min
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).
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).
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).
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).
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).





