March weather forecast
Coos Bay, OR

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A unique sandy and rocky shore near a forest of pine trees in the Shore Acres State Park in Coos Bay, Oregon
A unique sandy and rocky shore near a forest of pine trees in the Shore Acres State Park in Coos Bay, Oregon

Weather in March

The transition from late-winter to early-spring strikes Coos Bay in March. The precipitation, though still significant, further softens down to 4.02" (102mm). Despite this drop, the weather maintains considerable humidity while the wind exhibits a minor spike, a common occurrence in Oregon around this period. The daylight hours stretch further, and the city witnesses increased sunshine, presenting a delightful contrast to the preceding fog-heavy months. In sum, March signals a transformation in the weather, paving the way for warmer times.

Temperature

Coos Bay measures an average high-temperature of a still cool 51.8°F (11°C) in March, nearly consistent with the preceding month. Coos Bay, during the month of March, experiences an average low-temperature of 42.3°F (5.7°C).

Humidity

In Coos Bay, the average relative humidity in March is 83%.

Rainfall

In March, the rain falls for 19.2 days. Throughout March, 4.02" (102mm) of precipitation is accumulated. In Coos Bay, during the entire year, the rain falls for 153 days and collects up to 33.5" (851mm) of precipitation.

Snowfall

In Coos Bay, snow does not fall in March through October and December.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:51 am and sunset at 6:06 pm PST. On the last day of the month, sunrise is at 6:58 am and sunset at 7:42 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 6h.

UV index

In Coos Bay, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During March, 3 as the daily maximum UV index converts into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average March temperature?

The high-temperature, in March, in Coos Bay, records 51.8°F (11°C), while the low-temperature is 42.3°F (5.7°C).

What is the average humidity in March?

In Coos Bay, the average relative humidity in March is 83%.

How many days does it rain in March?

In Coos Bay, in March, it is raining for 19.2 days, with typically 4.02" (102mm) of accumulated precipitation.

When it does not snow?

In Coos Bay, snow does not fall in March through October and December.

Does it snow in Coos Bay in March?

In March, it doesn't snow. February is the latest month when it typically snows.

How many hours of daylight does Coos Bay have in March?

The average day length in March is 11h and 58min.

When are sunrise and sunset in March?

On the first day of March, sunrise is at 6:51 am and sunset at 6:06 pm PST. On the last day of the month, sunrise is at 6:58 am and sunset at 7:42 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 long on average sun shines in March?

In March, the average sunshine duration is 6h.

How high is the UV index in March in Coos Bay?

In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Coos Bay, OR

Average temperature in March - Coos Bay, OR
  • Average high temperature in March: 51.8°F

The warmest month (with the highest average high temperature) is August (66.9°F).
The month with the lowest average high temperature is December (49.1°F).

  • Average low temperature in March: 42.3°F

The month with the highest average low temperature is August (52.3°F).
The coldest months (with the lowest average low temperature) are February and December (41.7°F).

Average pressure in March
Coos Bay, OR

Average pressure in March - Coos Bay, OR
  • Average pressure in March: 30.04"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).

Average wind speed in March
Coos Bay, OR

Average wind speed in March - Coos Bay, OR
  • Average wind speed in March: 9.1mph

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in March
Coos Bay, OR

Average humidity in March - Coos Bay, OR
  • Average humidity in March: 83%

The months with the highest relative humidity are February and August (84%).
The months with the lowest relative humidity are April and October (81%).

Average rainfall in March
Coos Bay, OR

Average rainfall in March - Coos Bay, OR
  • Average rainfall in March: 4.02"

The wettest month (with the highest rainfall) is December (5.87").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in March
Coos Bay, OR

Average rainfall days in March - Coos Bay, OR
  • Average rainfall days in March: 19.2 days

The month with the highest number of rainy days is March (19.2 days).
The month with the least rainy days is August (3.5 days).

Average snowfall in March
Coos Bay, OR

Average snowfall in March - Coos Bay, OR
  • Average snowfall in March: 0"

The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").

Average snowfall days in March
Coos Bay, OR

Average snowfall days in March - Coos Bay, OR
  • Average snowfall days in March: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

Average daylight in March /
Average sunshine in March
Coos Bay, OR

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in March: 6h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).

Average sunshine days in March
Coos Bay, OR

Average sunshine days in March - Coos Bay, OR
  • Average sunshine days in March: 9.8 days

The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (9.7 days).

Average UV index in March
Coos Bay, OR

Average UV index in March - Coos Bay, OR
  • Average UV index in March: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February and December (UV index 2).

Average cloud cover in March
Coos Bay, OR

Average cloud cover in March - Coos Bay, OR
  • Average cloud cover in March: 54

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and September (Cloud cover 28).

Average visibility in March
Coos Bay, OR

Average visibility in March - Coos Bay, OR
  • Average visibility in March: 6mi

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

Coos Bay, Oregon, USA

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