March weather forecast
North Cascades National Park, WA

March sees a gentle transition from winter to spring, with milder temperatures and an increase in daylight hours signifying the beginning of a new season. Although the temperatures continue to rise, the weather remains cool. The park begins to explode with spring greenery as snow melts away from the lower elevations. Rainfall continues to decrease, indicating a change in the park’s weather cycle. The additional daylight hours along with the longer sunshine duration paint a picture of brighter days ahead in North Cascades National Park.

Temperature

The onset of March in North Cascades National Park, Washington, introduces a subtle rise in the average high-temperature, nudging from an icy 35.6°F (2°C) in February to a still cold 41°F (5°C). The nighttime temperature in North Cascades National Park, during March, averages of 24.8°F (-4°C).

Rainfall

In March, the rain falls for 15 days. Throughout March, 4.57" (116mm) of precipitation is accumulated. Throughout the year, there are 157 rainfall days, and 51.02" (1296mm) of precipitation is accumulated.

Daylight

In North Cascades National Park, Washington, the average length of the day in March is 11h and 56min.
On the first day of March, sunrise is at 6:45 am and sunset at 5:49 pm PST. On the last day of the month, sunrise is at 6:42 am and sunset at 7:35 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.

Sunshine

In North Cascades National Park, the average sunshine in March is 5h.

UV index

In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In March, the maximum UV index of 3 suggests these recommendations:
Guard yourself - Avoiding sunburn is suggested. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.