The best times to visit Oak Harbor for ideal weather are

May 14th to September 30th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Oak Harbor Travel Info

Weather in Oak Harbor


Average temperatures in Oak Harbor vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is somewhat temperate — in the 41st percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Oak Harbor, the hottest months are July, August, and then September. See average monthly temperatures below. The warmest time of year is generally mid August where highs are regularly around 69.1°F (20.6°C) with temperatures rarely dropping below 52.4°F (11.3°C) at night.

Oak Harbor Temperatures (Fahrenheit)


Oak Harbor Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Oak Harbor Perceived Temperature (F)


Oak Harbor Perceived Temperature (C)



Average Oak Harbor Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 48.2 42.6 37.3
Feb 49.7 43.2 37.1
Mar 53.6 46.1 39.8
Apr 56.1 48.7 42.2
May 59.8 52.4 46.2
Jun 64 56 50.2
Jul 67.1 58.4 52.4
Aug 67.6 58.4 52
Sep 65.5 56.6 49.4
Oct 58.6 51.7 45.3
Nov 51.4 44.9 38.6
Dec 47 41.5 36

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 9 5.9 2.9
Feb 9.8 6.2 2.8
Mar 12 7.8 4.3
Apr 13.4 9.3 5.7
May 15.4 11.3 7.9
Jun 17.8 13.3 10.1
Jul 19.5 14.7 11.3
Aug 19.8 14.7 11.1
Sep 18.6 13.7 9.7
Oct 14.8 10.9 7.4
Nov 10.8 7.2 3.7
Dec 8.3 5.3 2.2



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Oak Harbor are July, September, and then May. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid June. For example, on the week of June 18th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early January with an average of 4 days of significant precipitation the week of January 1st.

When can you find snow in Oak Harbor? Weather stations report moderate or seasonal snow likely to be deepest around December, especially close to mid December. The best time to ski (if at all) in Oak Harbor is often around around December 17th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Oak Harbor.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Oak Harbor (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 25% 0 2.6
Feb 20% 1.2 1.5
Mar 26% 1.2 2.2
Apr 14% 0 1.5
May 13% 0 1.5
Jun 16% 0 1.7
Jul 6% 0 0.6
Aug 15% 0 1
Sep 7% 0 0.7
Oct 15% 0 1.3
Nov 28% 0 2.6
Dec 24% 4.4 2.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 25 0 6.6
Feb 20 3 3.8
Mar 26 3 5.6
Apr 14 0 3.8
May 13 0 3.8
Jun 16 0 4.3
Jul 6 0 1.5
Aug 15 0 2.5
Sep 7 0 1.8
Oct 15 0 3.3
Nov 28 0 6.6
Dec 24 11.2 5.6


Humidity and Wind

Oak Harbor has some very humid months, and above average humidity throughout the year. The least humid month is April (66.1% relative humidity), and the most humid month is October (76.2%).

Wind in Oak Harbor is usually moderate. The windiest month is November, followed by March and December. November’s average wind speed of around 9.5 knots (10.9 MPH or 17.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid November where average top sustained speeds reach 20.6 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Oak Harbor.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7.7 Gentle breeze 15.5 Significant breeze
Feb 8.4 Gentle breeze 16.4 Significant breeze
Mar 9.1 Gentle breeze 17.7 Significant breeze
Apr 8.5 Gentle breeze 16.4 Significant breeze
May 6.3 Light breeze 12.5 Significant breeze
Jun 6.2 Light breeze 11.9 Significant breeze
Jul 5.4 Light breeze 10.3 Significant breeze
Aug 5 Light breeze 10.4 Gentle breeze
Sep 5.1 Light breeze 11.4 Significant breeze
Oct 6.8 Light breeze 14.1 Significant breeze
Nov 9.5 Gentle breeze 18.3 Significant breeze
Dec 8.9 Gentle breeze 16.6 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 73.5%
Feb 68.2%
Mar 67.1%
Apr 66.1%
May 72%
Jun 72.5%
Jul 72.3%
Aug 74.9%
Sep 75.7%
Oct 76.2%
Nov 71%
Dec 70.7%


Is it Safe to Travel to Oak Harbor?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Oak Harbor, WA, US is July, followed by August and April. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Oak Harbor in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 37.8 in November means 37.8% of the tourists vs. July.



Overall Oak Harbor Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 61.2°F (16.2°C) and 50.5°F (10.3°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 8 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the least precipitation with 2 to 5 days of precipitation per month. June – August is the busiest season for tourism in Oak Harbor, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 66.8°F (19.3°C) and 47.4°F (8.6°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 2 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Oak Harbor to be enjoyable for warm weather travelers. The average high during this season is between 51.1°F (10.6°C) and 45.9°F (7.7°C). On average, it rains or snows a fair amount: 6 to 8 times per month. These times of year are fairly slow with tourists.


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