The best times to visit Coos Bay for ideal weather are

June 4th to October 7th

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



Other Coos Bay Travel Info

Weather in Coos Bay


Average temperatures in Coos Bay vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 33rd 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 Coos Bay, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally late August to early September where highs are regularly around 68.8°F (20.4°C) with temperatures rarely dropping below 53.7°F (12.1°C) at night.

Coos Bay Temperatures (Fahrenheit)


Coos Bay 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.

Coos Bay Perceived Temperature (F)


Coos Bay Perceived Temperature (C)



Average Coos Bay 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 54.5 45.5 39.6
Feb 54.3 46.3 40.8
Mar 55.3 47.5 41.8
Apr 56.4 48.8 42.8
May 60 53 47.3
Jun 63.2 56.4 50.9
Jul 66.2 59 52.9
Aug 67.3 59.5 53.7
Sep 67.1 57.8 51.3
Oct 63.5 54.3 48.2
Nov 57.6 49.1 43.3
Dec 52.6 44.8 39.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 12.5 7.5 4.2
Feb 12.4 7.9 4.9
Mar 12.9 8.6 5.4
Apr 13.6 9.3 6
May 15.6 11.7 8.5
Jun 17.3 13.6 10.5
Jul 19 15 11.6
Aug 19.6 15.3 12.1
Sep 19.5 14.3 10.7
Oct 17.5 12.4 9
Nov 14.2 9.5 6.3
Dec 11.4 7.1 4.2



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Coos Bay are August, July, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late July. For example, on the week of July 23rd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 5 days of significant precipitation the week of December 17th.

When can you find snow in Coos Bay? Weather stations report a bit of annual snow likely to be deepest around March, especially close to late February and early March. The best time to ski (if at all) in Coos Bay is often around around February 26th 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 Coos Bay.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Coos Bay (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 35% 0 5.6
Feb 41% 0 6
Mar 44% 1.2 7.2
Apr 35% 0 4.1
May 19% 0 2.3
Jun 13% 0 1.6
Jul 4% 0 0.9
Aug 4% 0 0.5
Sep 11% 0 1.4
Oct 26% 0 3.9
Nov 43% 0 6.8
Dec 49% 0 9.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 35 0 14.2
Feb 41 0 15.2
Mar 44 3 18.3
Apr 35 0 10.4
May 19 0 5.8
Jun 13 0 4.1
Jul 4 0 2.3
Aug 4 0 1.3
Sep 11 0 3.6
Oct 26 0 9.9
Nov 43 0 17.3
Dec 49 0 23.9


Humidity and Wind

Coos Bay has some very humid months, and above average humidity throughout the year. The least humid month is May (70% relative humidity), and the most humid month is October (78.7%).

Wind in Coos Bay is usually moderate. The windiest month is July, followed by June and May. July’s average wind speed of around 9.8 knots (11.3 MPH or 18.1 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 late July where average top sustained speeds reach 21.3 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Coos Bay.

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 6.3 Light breeze 13.9 Significant breeze
Feb 6.5 Light breeze 14.7 Significant breeze
Mar 7.5 Gentle breeze 16.7 Significant breeze
Apr 7.6 Gentle breeze 17.1 Strong breeze
May 8.2 Gentle breeze 18.2 Significant breeze
Jun 8.5 Gentle breeze 18.6 Strong breeze
Jul 9.8 Gentle breeze 20.6 Significant breeze
Aug 8 Gentle breeze 18.4 Strong breeze
Sep 6.9 Light breeze 17.3 Significant breeze
Oct 6 Light breeze 15.2 Significant breeze
Nov 6.5 Light breeze 14.2 Significant breeze
Dec 7.1 Gentle breeze 15.2 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 74.1%
Feb 75.2%
Mar 72.7%
Apr 70.3%
May 70%
Jun 73.9%
Jul 74.7%
Aug 76.5%
Sep 77.4%
Oct 78.7%
Nov 76.7%
Dec 75%


Is it Safe to Travel to Coos Bay?

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 Coos Bay, OR, US is August, followed by July and June. 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 Coos Bay in December. 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 extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 55.1 in December means 55.1% of the tourists vs. August.



Overall Coos Bay Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 61.7°F (16.5°C) and 54°F (12.2°C) with warmer temperatures in the later months. Rain is very common with 6 to 14 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 1 to 4 days of precipitation per month. June – August is the busiest season for tourism in Coos Bay, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 67.7°F (19.8°C) and 55.7°F (13.2°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 3 to 13 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 Coos Bay to be enjoyable for warm weather travelers. The average high during this season is between 55.8°F (13.2°C) and 51°F (10.6°C). On average, it rains or snows a great amount: 11 to 15 times per month. These times of year are fairly slow with tourists.


Best Times to Travelthe United States › Coos Bay, OR, US