The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Columbia, MO vs SeaTac, WA

2025 Compare Climate & Weather:
Columbia, MO vs SeaTac, WA

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Highlights

On average, there are 152 sunny days per year in SeaTac. Columbia averages 192 sunny days per year. The US average is 205 sunny days.

SeaTac, Washington gets 38.9 inches of rain, on average, per year. Columbia, Missouri gets 44.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

SeaTac averages 5.8 inches of snow per year. Columbia averages 15.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

SeaTac, Washington
Summer High: the July high is around 76.6 degrees
Winter Low: the January low is 36.8
Rain: averages 38.9 inches of rain a year
Snow: averages 5.8 inches of snow a year

Columbia, Missouri
Summer High: the July high is around 88.3 degrees
Winter Low: the January low is 20.9
Rain: averages 44.1 inches of rain a year
Snow: averages 15.9 inches of snow a year

BestPlaces Comfort Index
SeaTac

The annual BestPlaces Comfort Index for SeaTac is 7.4 (10=best), which means it is one of the most pleasant places in Washington.

7.4 / 10
August, July and September are the most pleasant months in SeaTac, while December and January are the least comfortable months.

Columbia

The annual BestPlaces Comfort Index for Columbia is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

7.2 / 10
September, May and June are the most pleasant months in Columbia, while January and December are the least comfortable months.

Average Monthly High / Low (°F)
MonthColumbia, MOSeaTac, WA
January39° / 21°48° / 37°
February44° / 25°51° / 37°
March55° / 34°55° / 40°
April66° / 44°60° / 43°
May75° / 54°66° / 48°
June84° / 63°71° / 53°
July88° / 68°77° / 56°
August87° / 66°77° / 56°
September79° / 57°71° / 52°
October68° / 45°60° / 45°
November54° / 35°52° / 40°
December41° / 24°46° / 35°
Hot, Freezing, Rainy, Snowy Days: Columbia / SeaTac
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 026 / 78 / 193 / 1
February0 / 021 / 68 / 153 / 1
March0 / 014 / 210 / 181 / 0
April0 / 03 / 011 / 150 / 0
May0 / 00 / 012 / 120 / 0
June5 / 00 / 010 / 100 / 0
July13 / 20 / 09 / 50 / 0
August11 / 10 / 08 / 50 / 0
September3 / 00 / 08 / 80 / 0
October0 / 02 / 09 / 140 / 0
November0 / 012 / 49 / 191 / 0
December0 / 024 / 88 / 183 / 1
July is the hottest month for Columbia with an average high temperature of 88.3°, which ranks it as about average compared to other places in Missouri. In Columbia, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Columbia are September, May and June.

August is the hottest month for SeaTac with an average high temperature of 77.0°, which ranks it as about average compared to other places in Washington. In SeaTac, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for SeaTac are August, July and September.
January has the coldest nighttime temperatures for Columbia with an average of 20.9°. This is about average compared to other places in Missouri.

December has the coldest nighttime temperatures for SeaTac with an average of 35.4°. This is one of the warmest places in Washington.

In Columbia, there are 31.7 days annually when the high temperature is over 90°, which is about average compared to other places in Missouri.

In SeaTac, there are 2.7 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

In Columbia, there are 101.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

In SeaTac, there are 28.2 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Washington.

In Columbia, there are 2.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Missouri.

In SeaTac, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

May is the wettest month in Columbia with 5.2 inches of rain, and the driest month is January with 2.0 inches. The wettest season is Autumn with 31% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 44.1 inches in Columbia means that it is wetter than most places in Missouri.


November is the wettest month in SeaTac with 6.4 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 38% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 38.9 inches in SeaTac means that it is about average compared to other places in Washington.

May is the rainiest month in Columbia with 12.4 days of rain, and February is the driest month with only 7.5 rainy days. There are 110.1 rainy days annually in Columbia, which is one of the rainiest places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 21% chance of a rainy day.

November is the rainiest month in SeaTac with 19.1 days of rain, and August is the driest month with only 4.8 rainy days. There are 156.8 rainy days annually in SeaTac, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 12% chance of a rainy day.

An annual snowfall of 15.9 inches in Columbia means that it is snowier than most places in Missouri.

An annual snowfall of 5.8 inches in SeaTac means that it is about average compared to other places in Washington.
January is the snowiest month in Columbia with 5.0 inches of snow, and 5 months of the year have significant snowfall.

December is the snowiest month in SeaTac with 1.9 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Columbia    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Columbia

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Reviews for Seatac    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Seatac

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Zips In Columbia, Missouri
65203, 65202, 65201, 65215
Zips In SEATAC, WASHINGTON
98188, 98158
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