The best times to visit Seaside for ideal weather are

June 11th 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 Seaside Travel Info

Weather in Seaside

Temperature

Average temperatures in Seaside vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 27th 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 Seaside, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally mid August where highs are regularly around 72.5°F (22.5°C) with temperatures rarely dropping below 53.7°F (12.1°C) at night.

Seaside Temperatures (Fahrenheit)

Key
High
Average
Low

Seaside Temperatures (Celsius)

Key
High
Average
Low

“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.

Seaside Perceived Temperature (F)

Key
High
Average
Low

Seaside Perceived Temperature (C)

Key
High
Average
Low

 

Average Seaside 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 50.6 42.9 35.8
Feb 52.1 44.2 36.9
Mar 54.3 45.9 38.3
Apr 57 47.9 39.7
May 62 52.7 44.6
Jun 65.2 56.8 49.5
Jul 68.9 60.2 53.1
Aug 70.5 60.8 53.4
Sep 69.8 59.1 50.1
Oct 63.1 53.6 44.9
Nov 55.2 47.1 39.4
Dec 49.5 42.5 36.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 10.3 6.1 2.1
Feb 11.2 6.8 2.7
Mar 12.4 7.7 3.5
Apr 13.9 8.8 4.3
May 16.7 11.5 7
Jun 18.4 13.8 9.7
Jul 20.5 15.7 11.7
Aug 21.4 16 11.9
Sep 21 15.1 10.1
Oct 17.3 12 7.2
Nov 12.9 8.4 4.1
Dec 9.7 5.8 2.3

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Seaside are July, August, 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 early August. For example, on the week of July 30th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid March with an average of 5 days of significant precipitation the week of March 12th.

When can you find snow in Seaside? Weather stations report no annual snow. 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 Seaside.

Key
Days with precipitation

Snow on the Ground

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

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 50% 0 9.7
Feb 51% 0 6.6
Mar 58% 0 9.1
Apr 44% 0 6.1
May 29% 0 4.1
Jun 23% 0 2.4
Jul 6% 0 0.9
Aug 9% 0 1
Sep 21% 0 3.6
Oct 36% 0 6.7
Nov 51% 0 10.7
Dec 57% 0 10.8

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 50 0 24.6
Feb 51 0 16.8
Mar 58 0 23.1
Apr 44 0 15.5
May 29 0 10.4
Jun 23 0 6.1
Jul 6 0 2.3
Aug 9 0 2.5
Sep 21 0 9.1
Oct 36 0 17
Nov 51 0 27.2
Dec 57 0 27.4

 

Humidity and Wind

Seaside has some very humid months, and high humidity throughout the year. The least humid month is April (72% relative humidity), and the most humid month is January (77.5%).

Wind in Seaside is usually calm. The windiest month is March, followed by December and July. March’s average wind speed of around 7 knots (8 MPH or 12.9 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 16.7 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

Key
Avg. Relative Humidity

Wind

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

Key
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 6.1 Light breeze 13.5 Significant breeze
Feb 6.2 Light breeze 13.9 Significant breeze
Mar 7 Gentle breeze 15.7 Significant breeze
Apr 6.6 Light breeze 14.7 Significant breeze
May 6.3 Light breeze 14 Significant breeze
Jun 6.4 Light breeze 13.7 Significant breeze
Jul 6.7 Light breeze 13.8 Significant breeze
Aug 5.8 Light breeze 13 Significant breeze
Sep 5.5 Light breeze 12.8 Significant breeze
Oct 5.6 Light breeze 13.1 Significant breeze
Nov 6.6 Light breeze 14.6 Significant breeze
Dec 6.9 Light breeze 14.6 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 77.5%
Feb 76.2%
Mar 75.1%
Apr 72%
May 72.2%
Jun 73%
Jul 74.3%
Aug 76.5%
Sep 74.8%
Oct 77%
Nov 77.4%
Dec 77%

 

Is it Safe to Travel to Seaside?

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 Seaside, 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 Seaside 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

Key
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 Seaside Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 64.5°F (18.1°C) and 52.4°F (11.3°C) with warmer temperatures in the later months. Rain is frequent with 9 to 18 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 7 days of precipitation per month. June – August is the busiest season for tourism in Seaside, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 72.5°F (22.5°C) and 52.4°F (11.3°C), which will feel chilly given the humidity and wind. It rains or snows a good amount: 6 to 15 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 Seaside to be enjoyable for warm weather travelers. The average high during this season is between 52.8°F (11.6°C) and 48.5°F (9.2°C). On average, it rains or snows a very great amount: 14 to 18 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel› the United States › Seaside, OR, US