March weather forecast
Yellowstone National Park, WY

March signals a shift in weather patterns at Yellowstone National Park, with an average high temperature of 36.2°F (2.3°C) heralding the advent of spring. Conditions enable a thawing of the thick blanket of snow that graced the park from January to February. Supported by longer hours of daylight and sunshine, the temperate climate encourages the stirring of wildlife from winter hibernation. Despite the still cold nights, a new vibrancy invades the park's scenes.

Temperature

With the onset of March, Yellowstone National Park's average high-temperature experiences a slight rise, moving from February's freezing cold 28°F (-2.2°C) to a wintry 36.1°F (2.3°C). In Yellowstone National Park, a significant divergence from daytime highs is recorded, with average lows of 9.1°F (-12.7°C) during March nights.

Rainfall

In Yellowstone National Park, in March, it is raining for 13.7 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 151 rainfall days, and 20.91" (531mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Yellowstone National Park, in March, snow falls for 12.6 days, with typically accumulated 25.59" (650mm) of snow. Throughout the year, in Yellowstone National Park, there are 91.4 snowfall days, and 193.7" (4920mm) of snow is accumulated.

Daylight

In Yellowstone National Park, the average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:57 am and sunset at 6:11 pm MST. On the last day of the month, sunrise is at 7:03 am and sunset at 7:49 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 8h.

UV index

In March, the average daily maximum UV index in Yellowstone National Park is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 4 during March translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.