The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: San Mateo, CA vs Scottsdale, AZ

2025 Compare Climate & Weather:
San Mateo, CA vs Scottsdale, AZ

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Highlights

On average, there are 299 sunny days per year in Scottsdale. San Mateo averages 265 sunny days per year. The US average is 205 sunny days.

Scottsdale, Arizona gets 10.5 inches of rain, on average, per year. San Mateo, California gets 24.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Scottsdale averages 0 inches of snow per year. San Mateo averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Scottsdale, Arizona
Summer High: the July high is around 104.3 degrees
Winter Low: the January low is 42.4
Rain: averages 10.5 inches of rain a year
Snow: averages 0 inches of snow a year

San Mateo, California
Summer High: the July high is around 74.1 degrees
Winter Low: the January low is 42.2
Rain: averages 24.4 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index
Scottsdale

The annual BestPlaces Comfort Index for Scottsdale is 7.3 (10=best), which means it is less comfortable than most places in Arizona.

7.3 / 10
April, November and March are the most pleasant months in Scottsdale, while July and August are the least comfortable months.

San Mateo

The annual BestPlaces Comfort Index for San Mateo is 8.5 (10=best), which means it is more comfortable than most places in California.

8.5 / 10
August, July and September are the most pleasant months in San Mateo, while January and December are the least comfortable months.

Average Monthly High / Low (°F)
MonthSan Mateo, CAScottsdale, AZ
January58° / 42°66° / 42°
February61° / 44°70° / 45°
March63° / 45°76° / 49°
April65° / 47°84° / 55°
May68° / 50°93° / 64°
June72° / 52°102° / 72°
July74° / 54°104° / 79°
August75° / 55°103° / 79°
September74° / 53°98° / 73°
October71° / 50°87° / 61°
November64° / 46°75° / 49°
December58° / 42°65° / 42°
Hot, Freezing, Rainy, Snowy Days: San Mateo / Scottsdale
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 02 / 212 / 40 / 0
February0 / 01 / 111 / 40 / 0
March0 / 10 / 011 / 40 / 0
April0 / 70 / 07 / 20 / 0
May1 / 210 / 04 / 10 / 0
June2 / 290 / 02 / 10 / 0
July2 / 310 / 02 / 40 / 0
August2 / 310 / 02 / 50 / 0
September2 / 270 / 03 / 30 / 0
October1 / 130 / 05 / 30 / 0
November0 / 10 / 09 / 30 / 0
December0 / 02 / 211 / 40 / 0
August is the hottest month for San Mateo with an average high temperature of 74.5°, which ranks it as one of the coolest places in California. In San Mateo, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Mateo are August, September and July.

July is the hottest month for Scottsdale with an average high temperature of 104.3°, which ranks it as warmer than most places in Arizona. In Scottsdale, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Scottsdale are March, November and April.
January has the coldest nighttime temperatures for San Mateo with an average of 42.2°. This is warmer than most places in California.

December has the coldest nighttime temperatures for Scottsdale with an average of 41.6°. This is warmer than most places in Arizona.

In San Mateo, there are 9.4 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Scottsdale, there are 160.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In San Mateo, there are 4.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Scottsdale, there are 4.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

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

January is the wettest month in San Mateo with 4.8 inches of rain, and the driest month is July with 0.1 inches. The wettest season is Spring with 57% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 24.4 inches in San Mateo means that it is wetter than most places in California.


August is the wettest month in Scottsdale with 1.3 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 36% of yearly precipitation and 18% occurs in Summer, which is the driest season. The annual rainfall of 10.5 inches in Scottsdale means that it is about average compared to other places in Arizona.

January is the rainiest month in San Mateo with 11.6 days of rain, and July is the driest month with only 1.7 rainy days. There are 76.9 rainy days annually in San Mateo, which is rainier than most places in California. The rainiest season is Spring when it rains 44% of the time and the driest is Autumn with only a 7% chance of a rainy day.

August is the rainiest month in Scottsdale with 5.1 days of rain, and June is the driest month with only 0.5 rainy days. There are 37.7 rainy days annually in Scottsdale, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 34% of the time and the driest is Summer with only a 19% chance of a rainy day.

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

There is rarely any recorded snowfall in Scottsdale, ranking it as one of the least snowy places in Arizona.
Any measurable snowfall is a rare occurance in San Mateo.

Any measurable snowfall is a rare occurance in Scottsdale.

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 San Mateo    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 San Mateo

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Reviews for Scottsdale    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 Scottsdale

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Zips In San Mateo, California
94403, 94401, 94402
Zips In SCOTTSDALE, ARIZONA
85251, 85255, 85260, 85257, 85258, 85259, 85250, 85266, 85262
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