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

Yellowstone National Park's transition into March sees a mild rise in the average high-temperature, edging from a freezing cold 28°F (-2.2°C) in February to a cold 36.1°F (2.3°C). March nights in Yellowstone National Park experience a distinct temperature drop from the daily highs, with an average low-temperature of 9.1°F (-12.7°C).

Rainfall

In March, the rain falls for 13.7 days. Throughout March, 1.81" (46mm) of precipitation is accumulated. In Yellowstone National Park, during the entire year, the rain falls for 151 days and collects up to 20.91" (531mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in March in Yellowstone National Park is 11h and 58min.
On the first day of March in Yellowstone National Park, 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

In Yellowstone National Park, Wyoming, the average sunshine in March is 8h.

UV index

In Yellowstone National Park, the average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In March, the maximum UV index of 4 suggests this advice:
Heed the precautions - It is counselled to guard against solar damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.