March weather forecast
Oak Harbor, WA

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Weather in March

March, the first month of the spring in Oak Harbor, is still a chilly month, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 40.6°F (4.8°C).

Temperature

The arrival of March brings an average high-temperature of a still chilly 48.6°F (9.2°C), subtly diverging from February's 44.8°F (7.1°C). During the nights of March, Oak Harbor maintains an almost steady temperature with an average low of 40.6°F (4.8°C).

Humidity

January through March, with an average relative humidity of 81%, are the most humid months in Oak Harbor.

Rainfall

In Oak Harbor, in March, it is raining for 21.1 days, with typically 2.44" (62mm) of accumulated precipitation. In Oak Harbor, Washington, during the entire year, the rain falls for 183.8 days and collects up to 24.45" (621mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Oak Harbor, in March, snow falls for 1.8 days, with typically accumulated 0.79" (20mm) of snow. In Oak Harbor, during the entire year, snow falls for 9.6 days and aggregates up to 5.63" (143mm) of snow.

Ocean temperature

In March, the average ocean temperature in Oak Harbor is 45.5°F (7.5°C).
Note: It is risky to swim in 45.5°F (7.5°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.

Daylight

In Oak Harbor, the average length of the day in March is 11h and 57min.
On the first day of March, sunrise is at 6:49 am and sunset at 5:55 pm PST. On the last day of the month, sunrise is at 6:48 am and sunset at 7:40 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 in Oak Harbor is 6.6h.

UV index

In Oak Harbor, Washington, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 3 during March translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are March temperatures in Oak Harbor?

In March, the average high-temperature and low-temperature in Oak Harbor are 48.6°F (9.2°C) and 40.6°F (4.8°C) respectively.

What are the most humid months in Oak Harbor?

January through March, with an average relative humidity of 81%, are most humid months in Oak Harbor, Washington.

What is the average humidity in March in Oak Harbor?

The average relative humidity in March in Oak Harbor, Washington, is 81%.

How many days does it rain in March in Oak Harbor?

In March, in Oak Harbor, Washington, the rain falls for 21.1 days. Throughout March, 2.44" (62mm) of precipitation is accumulated.

How much does it snow in Oak Harbor in March?

In Oak Harbor, Washington, during March, snow falls for 1.8 days and regularly aggregates up to 0.79" (20mm) of snow.

How cold is the water in March in Oak Harbor?

In March, the average ocean temperature in Oak Harbor, Washington, is 45.5°F (7.5°C). Swimming in 45.5°F (7.5°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in March in Oak Harbor?

In March, the average day length in Oak Harbor, Washington, is 11h and 57min.

What time are sunrise and sunset in March in Oak Harbor?

In March, on the first day of the month, sunrise is at 6:49 am and sunset at 5:55 pm PST. On the last day of the month, in Oak Harbor, sunrise is at 6:48 am and sunset at 7:40 pm PDT.

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

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 Oak Harbor?

In March, the average sunshine duration in Oak Harbor is 6.6h.

What is the UV index intensity in March in Oak Harbor?

In March, the average daily maximum UV index in Oak Harbor, Washington, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Oak Harbor, WA

Average temperature in March - Oak Harbor, WA
  • Average high temperature in March: 48.6°F

The warmest month (with the highest average high temperature) is July (66.2°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in March: 40.6°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (37.9°F).

Average pressure in March
Oak Harbor, WA

Average pressure in March - Oak Harbor, WA
  • Average pressure in March: 30.01"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

Average wind speed in March
Oak Harbor, WA

Average wind speed in March - Oak Harbor, WA
  • Average wind speed in March: 7.4mph

The windiest month (with the highest average wind speed) is November (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in March
Oak Harbor, WA

Average humidity in March - Oak Harbor, WA
  • Average humidity in March: 81%

The months with the highest relative humidity are January, February and March (81%).
The month with the lowest relative humidity is July (76%).

Average rainfall in March
Oak Harbor, WA

Average rainfall in March - Oak Harbor, WA
  • Average rainfall in March: 2.44"

The wettest month (with the highest rainfall) is November (3.46").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days in March
Oak Harbor, WA

Average rainfall days in March - Oak Harbor, WA
  • Average rainfall days in March: 21.1 days

The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is August (7.5 days).

Average snowfall in March
Oak Harbor, WA

Average snowfall in March - Oak Harbor, WA
  • Average snowfall in March: 0.79"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in March
Oak Harbor, WA

Average snowfall days in March - Oak Harbor, WA
  • Average snowfall days in March: 1.8 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in March
Oak Harbor, WA

Average sea temperature in March - Oak Harbor, WA
  • Average sea temperature in March: 45.4°F

The best month for swimming (with the highest average sea temperature) is August (53°F).
The coldest month (with the lowest average sea temperature) is February (45°F).

Average daylight in March /
Average sunshine in March
Oak Harbor, WA

Average daylight in March / Average sunshine in March - Oak Harbor, WA
  • Average daylight in March: 11h and 5min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in March: 6h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in March
Oak Harbor, WA

Average sunshine days in March - Oak Harbor, WA
  • Average sunshine days in March: 7.5 days

The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is March (7.5 days).

Average UV index in March
Oak Harbor, WA

Average UV index in March - Oak Harbor, WA
  • 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 January, February, November and December (UV index 2).

Average cloud cover in March
Oak Harbor, WA

Average cloud cover in March - Oak Harbor, WA
  • Average cloud cover in March: 49

The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in March
Oak Harbor, WA

Average visibility in March - Oak Harbor, WA
  • Average visibility in March: 6mi

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

Oak Harbor, Washington, USA

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