Crater Lake
Oregon, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Crater Lake, OR

A beautiful landscape of the Crater Lake in Oregon, viewed from atop the Watchman
A beautiful landscape of the Crater Lake in Oregon, viewed from atop the Watchman's Peak, under a cloudy sky
March is a cold month in Crater Lake with heavy snowfall of 82" (2082.8mm) that accumulates the highest snow depth of the year of 139" (3530.6mm). The precipitation is an ample 7.8" (198.1mm) with 7 hours of sunlight during the 12-hour days.
The average temperatures are in the range of a cold 19°F (-7.2°C) to 37°F (2.8°C), which means at least the days are above freezing.
Winter activities like skiing, snowshoeing, snowboarding, sledding, and snowmobiling find many takers by the end of March. Winter driving is hazardous, so take care, especially around the big and heavy snowplows and rotaries.

What is the temperature in March in Crater Lake?

In March, the average high-temperature is 37.2°F (2.9°C), and the average low-temperature is 19.4°F (-7°C).

How many days does it rain in March in Crater Lake?

In March, in Crater Lake, the rain falls for 18.2 days. Throughout March, 7.5" (191.3mm) of precipitation is accumulated.

How many days does it snow in March in Crater Lake?

In March, it is snowing for 15.6 days. Throughout March, 73.2" (1859.3mm) of snow is accumulated.

What is the average length of the day in March in Crater Lake?

In March, the average length of the day is 12h.

How many hours of sunshine does Crater Lake have in March?

The average sunshine in March in Crater Lake is 7h.

What is the UV index intensity in March in Crater Lake?

In March, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.
Average temperature in March - Crater Lake, OR
  • Average high temperature in March: 37.3°F

The warmest month (with the highest average high temperature) is August (69.7°F).
The month with the lowest average high temperature is December (33.6°F).

  • Average low temperature in March: 19.4°F

Months with the highest average low temperature are July and August (40.5°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

Average rainfall in March - Crater Lake, OR
  • Average rainfall in March: 7.5"

The wettest month (with the highest rainfall) is December (11.6").
Driest months (with the lowest rainfall) are July and August (1").

Average rainfall days in March - Crater Lake, OR
  • Average rainfall days in March: 18.2 days

The month with the highest number of rainy days is March (18.2 days).
The month with the lowest number of rainy days is July (3.9 days).

Average snowfall in March - Crater Lake, OR
  • Average snowfall in March: 73.2"

The month with the highest snowfall is December (91.1").
The month with the lowest snowfall is August (0").

Average snowfall days in March - Crater Lake, OR
  • Average snowfall days in March: 15.6 days

The month with the highest number of snowfall days is December (16.4 days).
The month with the lowest number of snowfall days is August (0 days).

Average daylight in March / Average sunshine in March - Crater Lake, OR
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in March: 7h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are November and December (Average sunshine: 3).

Average UV index in March - Crater Lake, OR
  • Average UV index in March: 4

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).