2025 Compare Climate & Weather:
Santa Rosa, CA vs Tualatin, OR

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Highlights

On average, there are 141 sunny days per year in Tualatin. Santa Rosa averages 256 sunny days per year. The US average is 205 sunny days.

Tualatin, Oregon gets 41.6 inches of rain, on average, per year. Santa Rosa, California gets 38.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Tualatin averages 1.5 inches of snow per year. Santa Rosa averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Tualatin, Oregon
Summer High: the July high is around 81 degrees
Winter Low: the January low is 35.5
Rain: averages 41.6 inches of rain a year
Snow: averages 1.5 inches of snow a year

Santa Rosa, California
Summer High: the July high is around 83.8 degrees
Winter Low: the January low is 38
Rain: averages 38.2 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index
Tualatin

The annual BestPlaces Comfort Index for Tualatin is 7.5 (10=best), which means it is more comfortable than most places in Oregon.

7.5 / 10
July, August and September are the most pleasant months in Tualatin, while December and January are the least comfortable months.

Santa Rosa

The annual BestPlaces Comfort Index for Santa Rosa is 8.3 (10=best), which means it is more comfortable than most places in California.

8.3 / 10
June, August and July are the most pleasant months in Santa Rosa, while December and January are the least comfortable months.

Today's Weather - Santa Rosa, CA

9 PM PST

Partly Cloudy

64°F

DAYDESCRIPTIONHIGH / LOWWIND
TonightPartly Cloudy52° / 85°SSW 5 mph
Saturday NightMostly Clear50° / 68°W 3 to 13 mph
Sunday NightChance Light Rain48° / 62°SW 3 to 10 mph
Monday NightPartly Cloudy then Patchy Fog45° / 69°W 2 to 9 mph
Tuesday NightMostly Clear then Patchy Fog45° / 73°WNW 1 to 7 mph
Wednesday NightMostly Clear48° / 77°WNW 1 to 7 mph
Thursday NightPartly Cloudy50° / 78°W 1 to 7 mph
Today's Weather - Tualatin, OR

9 PM PST

Mostly Cloudy

65°F

DAYDESCRIPTIONHIGH / LOWWIND
TonightMostly Cloudy48° / 69°WSW 5 mph
Saturday NightMostly Cloudy then Chance Rain Showers49° / 63°WSW 2 to 6 mph
Sunday NightRain Showers Likely48° / 65°S 2 to 6 mph
Monday NightSlight Chance Rain Showers then Mostly Cloudy45° / 66°WSW 2 to 6 mph
Tuesday NightMostly Cloudy47° / 65°WSW 2 to 7 mph
Wednesday NightMostly Cloudy46° / 68°WNW 1 to 6 mph
Thursday NightSlight Chance Rain Showers46° / 67°WNW 3 mph
Average Monthly High / Low (°F)
MonthSanta Rosa, CATualatin, OR
January58° / 38°48° / 36°
February62° / 40°52° / 36°
March66° / 42°57° / 39°
April70° / 43°62° / 41°
May75° / 47°68° / 47°
June81° / 50°74° / 51°
July84° / 52°81° / 55°
August84° / 52°82° / 54°
September84° / 50°76° / 50°
October77° / 46°64° / 44°
November66° / 42°53° / 39°
December58° / 38°46° / 34°
Hot, Freezing, Rainy, Snowy Days: Santa Rosa / Tualatin
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 07 / 1013 / 180 / 0
February0 / 03 / 712 / 150 / 0
March0 / 01 / 411 / 170 / 0
April0 / 00 / 17 / 150 / 0
May2 / 10 / 04 / 120 / 0
June5 / 10 / 01 / 80 / 0
July7 / 50 / 00 / 40 / 0
August7 / 50 / 00 / 30 / 0
September7 / 20 / 02 / 60 / 0
October3 / 00 / 14 / 120 / 0
November0 / 03 / 510 / 190 / 0
December0 / 08 / 1112 / 180 / 0
August is the hottest month for Santa Rosa with an average high temperature of 84.1°, which ranks it as cooler than most places in California. In Santa Rosa, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Santa Rosa are October, May and June.

August is the hottest month for Tualatin with an average high temperature of 81.6°, which ranks it as cooler than most places in Oregon. In Tualatin, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tualatin are September, July and August.
December has the coldest nighttime temperatures for Santa Rosa with an average of 37.5°. This is about average compared to other places in California.

December has the coldest nighttime temperatures for Tualatin with an average of 34.2°. This is warmer than most places in Oregon.

In Santa Rosa, there are 31.5 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Tualatin, there are 13.8 days annually when the high temperature is over 90°, which is about average compared to other places in Oregon.

In Santa Rosa, there are 22.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Tualatin, there are 38.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

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

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

December is the wettest month in Santa Rosa with 7.4 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 57% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 38.2 inches in Santa Rosa means that it is wetter than most places in California.


December is the wettest month in Tualatin with 6.7 inches of rain, and the driest month is July with 0.6 inches. The wettest season is Spring with 42% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 41.6 inches in Tualatin means that it is about average compared to other places in Oregon.

January is the rainiest month in Santa Rosa with 12.8 days of rain, and July is the driest month with only 0.2 rainy days. There are 75.7 rainy days annually in Santa Rosa, which is rainier than most places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 2% chance of a rainy day.

November is the rainiest month in Tualatin with 18.8 days of rain, and August is the driest month with only 3.4 rainy days. There are 147.2 rainy days annually in Tualatin, which is about average compared to other places in Oregon. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 11% chance of a rainy day.

There is rarely any recorded snowfall in Santa Rosa, ranking it as one of the least snowy places in California.

An annual snowfall of 1.5 inches in Tualatin means that it is less snowy than most places in Oregon.
Any measurable snowfall is a rare occurance in Santa Rosa.

December is the snowiest month in Tualatin with 0.5 inches of snow, and 2 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 Santa Rosa    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 Santa Rosa

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Reviews for Tualatin    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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Zips In Santa Rosa, California
95403, 95407, 95404, 95401, 95409, 95405
Zips In TUALATIN, OREGON
97062
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