March weather forecast
Mount Shasta, CA

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The Lake Siskiyou on the base of Mount Shasta in California, and a view of the planted forest, the far suspension bridge, and snowy mountain peak
The Lake Siskiyou on the base of Mount Shasta in California, and a view of the planted forest, the far suspension bridge, and snowy mountain peak

Weather in March

March, the first month of the spring in Mount Shasta, is still a chilly month, with an average temperature fluctuating between 30.4°F (-0.9°C) and 46.4°F (8°C).

Temperature

The transition from February to March brings an average high-temperature of a still chilly 46.4°F (8°C), barely different from February's 44.1°F (6.7°C). Mount Shasta's nighttime temperature in March drops to an average of 30.4°F (-0.9°C).

Humidity

March is the most humid month in Mount Shasta, with an average relative humidity of 81%.

Rainfall

The month with the most rainfall is March, when the rain falls for 12.3 days and typically aggregates up to 4.69" (119mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In March, it is snowing for 10.7 days. Throughout March, 19.02" (483mm) of snow is accumulated. In Mount Shasta, during the entire year, snow falls for 50.2 days and aggregates up to 81.42" (2068mm) of snow.

Daylight

The average length of the day in March is 11h and 59min.
On the first day of March, sunrise is at 6:42 am and sunset at 6:00 pm PST. On the last day of the month, sunrise is at 6:52 am and sunset at 7:33 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

The average sunshine in March is 7.4h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 2 during March translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in March?

During March, Mount Shasta experiences an average high-temperature of 46.4°F (8°C) and a low-temperature of 30.4°F (-0.9°C).

What is the most humid month?

With an average relative humidity of 81%, March is the most humid month.

What is the average humidity in March?

In March, the average relative humidity is 81%.

What is the wettest month?

March is the month with the most rainfall. Rain falls for 12.3 days and accumulates 4.69" (119mm) of precipitation.

How much does it rain in March?

In Mount Shasta, during March, the rain falls for 12.3 days and regularly aggregates up to 4.69" (119mm) of precipitation.

How much does it snow in Mount Shasta in March?

In Mount Shasta, in March, during 10.7 snowfall days, 19.02" (483mm) of snow is typically accumulated.

What is the average length of the day in March?

The average day length in March in Mount Shasta is 11h and 59min.

When are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:42 am and sunset at 6:00 pm PST. On the last day of the month, sunrise is at 6:52 am and sunset at 7:33 pm PDT.

When does Daylight Saving Time (DST) start in March?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Mount Shasta have in March?

The average sunshine duration in March is 7.4h.

When is the lowest UV index?

The months with the lowest UV index in Mount Shasta, California, are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in March?

In March, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Mount Shasta, CA

Average temperature in March - Mount Shasta, CA
  • Average high temperature in March: 46.4°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (40.8°F).

  • Average low temperature in March: 30.4°F

The month with the highest average low temperature is July (52.2°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).

Average pressure in March
Mount Shasta, CA

Average pressure in March - Mount Shasta, CA
  • Average pressure in March: 30.06"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).

Average wind speed in March
Mount Shasta, CA

Average wind speed in March - Mount Shasta, CA
  • Average wind speed in March: 5.8mph

The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in March
Mount Shasta, CA

Average humidity in March - Mount Shasta, CA
  • Average humidity in March: 81%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (45%).

Average rainfall in March
Mount Shasta, CA

Average rainfall in March - Mount Shasta, CA
  • Average rainfall in March: 4.69"

The wettest month (with the highest rainfall) is March (4.69").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in March
Mount Shasta, CA

Average rainfall days in March - Mount Shasta, CA
  • Average rainfall days in March: 12.3 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (2.3 days).

Average snowfall in March
Mount Shasta, CA

Average snowfall in March - Mount Shasta, CA
  • Average snowfall in March: 19.02"

The month with the highest snowfall is January (19.21").
The months with the least snowfall are June, July and August (0").

Average snowfall days in March
Mount Shasta, CA

Average snowfall days in March - Mount Shasta, CA
  • Average snowfall days in March: 10.7 days

The month with the highest number of snowfall days is December (10.9 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in March /
Average sunshine in March
Mount Shasta, CA

Average daylight in March / Average sunshine in March - Mount Shasta, CA
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in March: 7h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in March
Mount Shasta, CA

Average sunshine days in March - Mount Shasta, CA
  • Average sunshine days in March: 12.3 days

The months with the most sunshine days are July and August (25.7 days).
The month with the least sunshine days is March (12.3 days).

Average UV index in March
Mount Shasta, CA

Average UV index in March - Mount Shasta, CA
  • Average UV index in March: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in March
Mount Shasta, CA

Average cloud cover in March - Mount Shasta, CA
  • Average cloud cover in March: 45

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in March
Mount Shasta, CA

Average visibility in March - Mount Shasta, CA
  • Average visibility in March: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Mount Shasta, California, USA

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