March weather forecast
Grass Valley, OR

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Weather in March

The first month of the spring, March, is a frosty month in Grass Valley, Oregon, with an average temperature varying between 49.1°F (9.5°C) and 33.4°F (0.8°C).

Temperature

Observing a slight rise in March, the average high-temperature shifts from February's wintry 41.7°F (5.4°C) to a chilly 49.1°F (9.5°C). During March, an average low-temperature of 33.4°F (0.8°C) is observed in Grass Valley.

Humidity

The average relative humidity in March is 76%.

Rainfall

In March, the rain falls for 14.3 days. Throughout March, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 112.2 rainfall days, and 10.91" (277mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. March is the last month it regularly snows in Grass Valley. During 1.2 snowfall days, in March, Grass Valley aggregates 0.51" (13mm) of snow. In Grass Valley, during the entire year, snow falls for 12.6 days and aggregates up to 7.6" (193mm) of snow.

Daylight

In March, the average length of the day in Grass Valley is 11h and 58min.
On the first day of March, sunrise is at 6:39 am and sunset at 5:50 pm PST. On the last day of the month, sunrise is at 6:43 am and sunset at 7:30 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 Grass Valley, the average sunshine in March is 7.6h.

UV index

The average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In March, an average UV index of 3 transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What is the average March temperature in Grass Valley?

In Grass Valley, in March, the average high-temperature is 49.1°F (9.5°C), and the average low-temperature is 33.4°F (0.8°C).

What is the average humidity in March in Grass Valley?

In March, the average relative humidity is 76%.

How many days does it rain in March in Grass Valley?

In Grass Valley, during March, the rain falls for 14.3 days and regularly aggregates up to 1.26" (32mm) of precipitation.

What is the last month it snows in Grass Valley?

March is the last month it regularly snows in Grass Valley, Oregon. During 1.2 snowfall days, in March, Grass Valley aggregates 0.51" (13mm) of snow.

What is the average length of the day in March in Grass Valley?

The average day length in March in Grass Valley, Oregon, is 11h and 58min.

What time are sunrise and sunset in March in Grass Valley?

In March, on the first day of the month, sunrise is at 6:39 am and sunset at 5:50 pm PST. On the last day of the month, in Grass Valley, sunrise is at 6:43 am and sunset at 7:30 pm PDT.

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

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

How long on average sun shines in March in Grass Valley?

In March, the average sunshine duration in Grass Valley is 7.6h.

What is the UV index intensity in March in Grass Valley?

The average daily maximum UV index in March in Grass Valley is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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
Grass Valley, OR

Average temperature in March - Grass Valley, OR
  • Average high temperature in March: 49.1°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (37.4°F).

  • Average low temperature in March: 33.4°F

The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).

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Average pressure in March
Grass Valley, OR

Average pressure in March - Grass Valley, OR
  • Average pressure in March: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).

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Average wind speed in March
Grass Valley, OR

Average wind speed in March - Grass Valley, OR
  • Average wind speed in March: 6.1mph

The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5mph).

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Average humidity in March
Grass Valley, OR

Average humidity in March - Grass Valley, OR
  • Average humidity in March: 76%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (46%).

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Average rainfall in March
Grass Valley, OR

Average rainfall in March - Grass Valley, OR
  • Average rainfall in March: 1.26"

The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in March
Grass Valley, OR

Average rainfall days in March - Grass Valley, OR
  • Average rainfall days in March: 14.3 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (2.9 days).

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Average snowfall in March
Grass Valley, OR

Average snowfall in March - Grass Valley, OR
  • Average snowfall in March: 0.51"

The month with the highest snowfall is February (2.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in March
Grass Valley, OR

Average snowfall days in March - Grass Valley, OR
  • Average snowfall days in March: 1.2 days

The months with the highest number of snowfall days are February and December (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in March /
Average sunshine in March
Grass Valley, OR

Average daylight in March / Average sunshine in March - Grass Valley, OR
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in March: 7h and 4min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

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Average sunshine days in March
Grass Valley, OR

Average sunshine days in March - Grass Valley, OR
  • Average sunshine days in March: 13.8 days

The month with the most sunshine days is July (27 days).
The month with the least sunshine days is February (12.3 days).

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Average UV index in March
Grass Valley, OR

Average UV index in March - Grass Valley, OR
  • Average UV index in March: 3

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

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Average cloud cover in March
Grass Valley, OR

Average cloud cover in March - Grass Valley, OR
  • Average cloud cover in March: 42

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).

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Average visibility in March
Grass Valley, OR

Average visibility in March - Grass Valley, OR
  • Average visibility in March: 6mi

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

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Grass Valley, Oregon, USA

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