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

The arrival of March coincides with an average high-temperature of a still fresh 51.8°F (11°C), indicating a minimal shift from February's 50.5°F (10.3°C). During March, the average low-temperature is a cold 42.3°F (5.7°C).

Humidity

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

Rainfall

In Coos Bay, in March, it is raining for 19.2 days, with typically 4.02" (102mm) of accumulated precipitation. 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 in Coos Bay, Oregon, is 11h and 58min.
On the first day of March in Coos Bay, 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

In Coos Bay, 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 moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In March, the average maximum UV index of 3 translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What is the usual temperature for Coos Bay in March?

In March, in Coos Bay, the average high-temperature is 51.8°F (11°C), and the average low-temperature is 42.3°F (5.7°C).

What is the average humidity in March in Coos Bay?

In March, the average relative humidity is 83%.

How much does it rain in Coos Bay in March?

In March, in Coos Bay, Oregon, the rain falls for 19.2 days. Throughout March, 4.02" (102mm) of precipitation is accumulated.

When it does not snow in Coos Bay?

March through October and December are months without snowfall in Coos Bay, Oregon.

Does it snow in Coos Bay in March?

In March, in Coos Bay, Oregon, 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 in Coos Bay, Oregon, is 11h and 58min.

When are sunrise and sunset in March in Coos Bay?

In March, on the first day of the month, 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 in Coos Bay?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Coos Bay, 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 Coos Bay?

In March, the average sunshine duration in Coos Bay, Oregon, is 6h.

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

The average daily maximum UV index in March in Coos Bay is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMarchAMJJASOND
Feb
March
Apr
Average high temperature
50.5°F 10.3°C
51.8°F 11°C
54.5°F 12.5°C
Average low temperature
41.7°F 5.4°C
42.3°F 5.7°C
43.3°F 6.3°C
Average pressure
30.07" 764mmHg
30.04" 763mmHg
30.09" 764mmHg
Average wind speed
8.4mph 13.5km/h
9.1mph 14.6km/h
8.5mph 13.7km/h
Average max. wind speed
9.1mph 14.6km/h
9.8mph 15.8km/h
9.3mph 15km/h
Average wind speed gusts
13.9mph 22.4km/h
14.5mph 23.3km/h
13.3mph 21.4km/h
Average humidity
84%
83%
81%
Average rainfall
4.84" 123mm
4.02" 102mm
2.95" 75mm
Average rainfall days
16.7
19.2
16.7
Average snowfall
0.2" 5mm
0" 0mm
0" 0mm
Average snowfall days
0.3
0
0
Average daylight
10h 3min
12h 0min
13h 3min
Average sunshine
4h 2min
6h 0min
7h 4min
Average sunshine days
9.7
9.8
11.3
Average UV index
2
3
3
Average cloud cover
56%
54%
51%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Coos Bay, Oregon, USA

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