2025 Compare Climate & Weather:
Grand Junction, CO vs Walla Walla, WA

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Highlights

On average, there are 188 sunny days per year in Walla Walla. Grand Junction averages 245 sunny days per year. The US average is 205 sunny days.

Walla Walla, Washington gets 18.6 inches of rain, on average, per year. Grand Junction, Colorado gets 9.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Walla Walla averages 9.4 inches of snow per year. Grand Junction averages 15.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Walla Walla, Washington
Summer High: the July high is around 89.2 degrees
Winter Low: the January low is 29.2
Rain: averages 18.6 inches of rain a year
Snow: averages 9.4 inches of snow a year

Grand Junction, Colorado
Summer High: the July high is around 92.8 degrees
Winter Low: the January low is 17.8
Rain: averages 9.9 inches of rain a year
Snow: averages 15.8 inches of snow a year

BestPlaces Comfort Index

Walla Walla

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

7.4 / 10

September, June and August are the most pleasant months in Walla Walla, while December and January are the least comfortable months.

Grand Junction

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

7.4 / 10

September, May and June are the most pleasant months in Grand Junction, while January and December are the least comfortable months.

Today's Weather - Grand Junction, CO

3 AM PST

Mostly Clear

61°F

DAY	DESCRIPTION	HIGH / LOW	WIND
Overnight	Mostly Clear	58° / 90°	ESE 5 to 10 mph
Friday Night	Mostly Clear	57° / 87°	S 5 to 15 mph
Saturday Night	Partly Cloudy	55° / 86°	S 5 to 10 mph
Sunday Night	Partly Cloudy	53° / 84°	SSW 5 to 10 mph
Monday Night	Partly Cloudy	56° / 88°	S 5 to 10 mph
Tuesday Night	Partly Cloudy	56° / 90°	ENE 5 to 10 mph
Wednesday Night	Partly Cloudy	57° / 91°	E 5 to 10 mph

Average Monthly High / Low (°F)

Month	Grand Junction, CO	Walla Walla, WA
January	39° / 18°	42° / 29°
February	46° / 24°	47° / 31°
March	57° / 32°	56° / 37°
April	66° / 39°	64° / 41°
May	76° / 48°	72° / 47°
June	87° / 57°	79° / 53°
July	93° / 63°	89° / 59°
August	90° / 61°	88° / 58°
September	80° / 52°	78° / 50°
October	67° / 40°	65° / 41°
November	51° / 29°	50° / 34°
December	40° / 20°	40° / 28°

Hot, Freezing, Rainy, Snowy Days: Grand Junction / Walla Walla

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	30 / 19	5 / 13	3 / 2
February	0 / 0	24 / 14	5 / 11	2 / 1
March	0 / 0	15 / 8	7 / 12	2 / 0
April	0 / 0	6 / 2	7 / 10	1 / 0
May	1 / 1	0 / 0	6 / 10	0 / 0
June	12 / 4	0 / 0	4 / 7	0 / 0
July	22 / 16	0 / 0	5 / 3	0 / 0
August	16 / 13	0 / 0	7 / 3	0 / 0
September	3 / 3	0 / 1	7 / 4	0 / 0
October	0 / 0	4 / 5	6 / 8	0 / 0
November	0 / 0	21 / 11	6 / 13	2 / 1
December	0 / 0	30 / 21	5 / 13	3 / 2

July is the hottest month for Grand Junction with an average high temperature of 92.8°, which ranks it as one of the hottest places in Colorado. In Grand Junction, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grand Junction are May, September and June.

July is the hottest month for Walla Walla with an average high temperature of 89.2°, which ranks it as one of the hottest places in Washington. In Walla Walla, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Walla Walla are September, June and May.

January has the coldest nighttime temperatures for Grand Junction with an average of 17.8°. This is warmer than most places in Colorado.

December has the coldest nighttime temperatures for Walla Walla with an average of 27.6°. This is colder than most places in Washington.

In Grand Junction, there are 54.9 days annually when the high temperature is over 90°, which is one of the hottest places in Colorado.

In Walla Walla, there are 37.1 days annually when the high temperature is over 90°, which is one of the hottest places in Washington.

In Grand Junction, there are 130.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Colorado.

In Walla Walla, there are 81.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In Grand Junction, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Colorado.

In Walla Walla, there are 1.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

September is the wettest month in Grand Junction with 1.2 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Winter with 32% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 9.9 inches in Grand Junction means that it is one of the driest places in Colorado.

November is the wettest month in Walla Walla with 2.4 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 32% of yearly precipitation and 12% occurs in Autumn, which is the driest season. The annual rainfall of 18.6 inches in Walla Walla means that it is drier than most places in Washington.

April is the rainiest month in Grand Junction with 6.9 days of rain, and June is the driest month with only 3.8 rainy days. There are 68.9 rainy days annually in Grand Junction, which is less rainy than most places in Colorado. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 22% chance of a rainy day.

December is the rainiest month in Walla Walla with 12.8 days of rain, and August is the driest month with only 2.7 rainy days. There are 104.7 rainy days annually in Walla Walla, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 12% chance of a rainy day.

An annual snowfall of 15.8 inches in Grand Junction means that it is one of the least snowy places in Colorado.

An annual snowfall of 9.4 inches in Walla Walla means that it is snowier than most places in Washington.

December is the snowiest month in Grand Junction with 4.3 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Walla Walla with 3.3 inches of snow, and 4 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 Grand Junction 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

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Reviews for Walla Walla 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

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2025 Compare Climate & Weather:
Grand Junction, CO vs Walla Walla, WA

Highlights

Weather Highlights

BestPlaces Comfort Index

Today's Weather - Grand Junction, CO

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Grand Junction / Walla Walla

January has the coldest nighttime temperatures for Grand Junction with an average of 17.8°. This is warmer than most places in Colorado.

December has the coldest nighttime temperatures for Walla Walla with an average of 27.6°. This is colder than most places in Washington.

In Grand Junction, there are 54.9 days annually when the high temperature is over 90°, which is one of the hottest places in Colorado.

In Walla Walla, there are 37.1 days annually when the high temperature is over 90°, which is one of the hottest places in Washington.

In Grand Junction, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Colorado.

In Walla Walla, there are 1.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

An annual snowfall of 15.8 inches in Grand Junction means that it is one of the least snowy places in Colorado.

An annual snowfall of 9.4 inches in Walla Walla means that it is snowier than most places in Washington.

December is the snowiest month in Grand Junction with 4.3 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Walla Walla with 3.3 inches of snow, and 4 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Grand Junction 2 Reviews

Reviews for Walla Walla 2 Reviews

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Zips In WALLA WALLA, WASHINGTON

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2025 Compare Climate & Weather:Grand Junction, CO vs Walla Walla, WA

Highlights

Weather Highlights

BestPlaces Comfort Index

Today's Weather - Grand Junction, CO

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Grand Junction / Walla Walla

January has the coldest nighttime temperatures for Grand Junction with an average of 17.8°. This is warmer than most places in Colorado.December has the coldest nighttime temperatures for Walla Walla with an average of 27.6°. This is colder than most places in Washington.

In Grand Junction, there are 54.9 days annually when the high temperature is over 90°, which is one of the hottest places in Colorado.In Walla Walla, there are 37.1 days annually when the high temperature is over 90°, which is one of the hottest places in Washington.

In Grand Junction, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Colorado.In Walla Walla, there are 1.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

An annual snowfall of 15.8 inches in Grand Junction means that it is one of the least snowy places in Colorado.An annual snowfall of 9.4 inches in Walla Walla means that it is snowier than most places in Washington.

December is the snowiest month in Grand Junction with 4.3 inches of snow, and 6 months of the year have significant snowfall.December is the snowiest month in Walla Walla with 3.3 inches of snow, and 4 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Grand Junction 2 Reviews

Reviews for Walla Walla 2 Reviews

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Zips In Grand Junction, Colorado

Zips In WALLA WALLA, WASHINGTON

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2025 Compare Climate & Weather:
Grand Junction, CO vs Walla Walla, WA

January has the coldest nighttime temperatures for Grand Junction with an average of 17.8°. This is warmer than most places in Colorado.

December has the coldest nighttime temperatures for Walla Walla with an average of 27.6°. This is colder than most places in Washington.

In Grand Junction, there are 54.9 days annually when the high temperature is over 90°, which is one of the hottest places in Colorado.

In Walla Walla, there are 37.1 days annually when the high temperature is over 90°, which is one of the hottest places in Washington.

In Grand Junction, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Colorado.

In Walla Walla, there are 1.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

An annual snowfall of 15.8 inches in Grand Junction means that it is one of the least snowy places in Colorado.

An annual snowfall of 9.4 inches in Walla Walla means that it is snowier than most places in Washington.

December is the snowiest month in Grand Junction with 4.3 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Walla Walla with 3.3 inches of snow, and 4 months of the year have significant snowfall.