The best times to visit Blaine for ideal weather are

May 14th 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 Blaine Travel Info

Weather in Blaine


Average temperatures in Blaine vary greatly. 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 32nd 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 Blaine, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid August where highs are regularly around 74.9°F (23.8°C) with temperatures rarely dropping below 57.5°F (14.2°C) at night.

Blaine Temperatures (Fahrenheit)


Blaine 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.

Blaine Perceived Temperature (F)


Blaine Perceived Temperature (C)



Average Blaine 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 46.4 40.3 35.5
Feb 50 42.5 37.2
Mar 52.9 45.3 39.1
Apr 57.3 49.2 42.2
May 63.6 55.2 47.9
Jun 67.8 59.9 52.7
Jul 72.9 64.2 56.3
Aug 73 64.1 56.6
Sep 68.4 59.4 52.2
Oct 59.7 52 46
Nov 51.6 44.7 39.3
Dec 45.8 39.7 35.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 8 4.6 1.9
Feb 10 5.8 2.9
Mar 11.6 7.4 3.9
Apr 14.1 9.6 5.7
May 17.6 12.9 8.8
Jun 19.9 15.5 11.5
Jul 22.7 17.9 13.5
Aug 22.8 17.8 13.7
Sep 20.2 15.2 11.2
Oct 15.4 11.1 7.8
Nov 10.9 7.1 4.1
Dec 7.7 4.3 1.8



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Blaine are August, July, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid July. For example, on the week of July 9th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late October to early November with an average of 4 days of significant precipitation the week of October 29th.

When can you find snow in Blaine? Weather stations report a bit of annual snow likely to be deepest around January, especially close to early January. The best time to ski (if at all) in Blaine is often around around January 15th 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 Blaine.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 33% 0.4 5.6
Feb 32% 0.4 3.7
Mar 42% 0.4 5.7
Apr 22% 0.4 2.8
May 23% 0 3
Jun 20% 0 2
Jul 10% 0 1.3
Aug 10% 0 1.2
Sep 22% 0 2.9
Oct 34% 0 5
Nov 43% 0 5.8
Dec 37% 0.4 5.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 33 1 14.2
Feb 32 1 9.4
Mar 42 1 14.5
Apr 22 1 7.1
May 23 0 7.6
Jun 20 0 5.1
Jul 10 0 3.3
Aug 10 0 3
Sep 22 0 7.4
Oct 34 0 12.7
Nov 43 0 14.7
Dec 37 1 13.7


Humidity and Wind

Blaine has some very humid months, and above average humidity throughout the year. The least humid month is April (65.5% relative humidity), and the most humid month is January (80.3%).

Wind in Blaine is usually extremely calm. The windiest month is March, followed by December and November. March’s average wind speed of around 3.3 knots (3.8 MPH or 6.1 KPH) is considered “light air.” 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 7.5 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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 2.8 Barely noticeable 5.8 Light breeze
Feb 2.9 Barely noticeable 5.9 Light breeze
Mar 3.3 Barely noticeable 6.6 Light breeze
Apr 2.8 Barely noticeable 5.8 Light breeze
May 2.5 Barely noticeable 5.1 Light breeze
Jun 2.5 Barely noticeable 5.1 Light breeze
Jul 2.2 Barely noticeable 4.7 Light breeze
Aug 2 Barely noticeable 4.5 Light breeze
Sep 1.9 Barely noticeable 4.6 Light breeze
Oct 2.3 Barely noticeable 5 Light breeze
Nov 3 Barely noticeable 6.5 Light breeze
Dec 3.2 Barely noticeable 6.2 Light breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 80.3%
Feb 72.9%
Mar 70.4%
Apr 65.5%
May 68.1%
Jun 67%
Jul 68%
Aug 71.4%
Sep 75.7%
Oct 78.6%
Nov 76.8%
Dec 76%


Is it Safe to Travel to Blaine?

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 Blaine, WA, US is July, followed by May 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 Blaine 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 somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 36.3 in December means 36.3% of the tourists vs. July.



Overall Blaine Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 66.5°F (19.2°C) and 49.9°F (9.9°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 13 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.

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 3 to 6 days of precipitation per month. June – August is the busiest season for tourism in Blaine, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 70.8°F (21.6°C) and 47.3°F (8.5°C), which will feel chilly given the humidity and wind. It rains or snows a good amount: 7 to 13 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.

Winter (December through February)

Weather is too cold this time of year in Blaine to be enjoyable for warm weather travelers. The average high during this season is between 51.5°F (10.8°C) and 44.9°F (7.2°C). On average, it rains or snows a great amount: 9 to 11 times per month. These times of year are the slowest with tourists.


Best Times to Travelthe United States › Blaine, WA, US