2025 Compare Climate & Weather:
Pacifica, CA vs Altamont, OR

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Highlights

On average, there are 214 sunny days per year in Altamont. Pacifica averages 259 sunny days per year. The US average is 205 sunny days.

Altamont, Oregon gets 16.2 inches of rain, on average, per year. Pacifica, California gets 25.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Altamont averages 37.6 inches of snow per year. Pacifica averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Altamont, Oregon
Summer High: the July high is around 86.2 degrees
Winter Low: the January low is 21.8
Rain: averages 16.2 inches of rain a year
Snow: averages 37.6 inches of snow a year

Pacifica, California
Summer High: the July high is around 69.8 degrees
Winter Low: the January low is 45.8
Rain: averages 25.4 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

Altamont

The annual BestPlaces Comfort Index for Altamont is 7.0 (10=best), which means it is less comfortable than most places in Oregon.

7 / 10

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

Pacifica

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

8.5 / 10

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

Average Monthly High / Low (°F)

Month	Pacifica, CA	Altamont, OR
January	57° / 46°	41° / 22°
February	60° / 47°	46° / 24°
March	62° / 48°	53° / 28°
April	64° / 49°	59° / 31°
May	66° / 51°	68° / 38°
June	69° / 53°	77° / 44°
July	70° / 55°	86° / 50°
August	71° / 56°	86° / 48°
September	72° / 56°	78° / 41°
October	70° / 54°	65° / 33°
November	63° / 50°	48° / 26°
December	57° / 46°	40° / 21°

Hot, Freezing, Rainy, Snowy Days: Pacifica / Altamont

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	0 / 27	11 / 13	0 / 5
February	0 / 0	0 / 23	11 / 11	0 / 3
March	0 / 0	0 / 23	10 / 11	0 / 3
April	0 / 0	0 / 17	6 / 9	0 / 1
May	0 / 1	0 / 6	4 / 8	0 / 0
June	1 / 2	0 / 1	1 / 5	0 / 0
July	0 / 10	0 / 0	0 / 3	0 / 0
August	0 / 9	0 / 0	1 / 3	0 / 0
September	1 / 2	0 / 3	2 / 3	0 / 0
October	0 / 0	0 / 15	4 / 6	0 / 0
November	0 / 0	0 / 24	8 / 12	0 / 3
December	0 / 0	0 / 28	11 / 13	0 / 5

September is the hottest month for Pacifica with an average high temperature of 72.1°, which ranks it as one of the coolest places in California. In Pacifica, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pacifica are September, August and July.

July is the hottest month for Altamont with an average high temperature of 86.2°, which ranks it as warmer than most places in Oregon. In Altamont, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Altamont are September, June and August.

January has the coldest nighttime temperatures for Pacifica with an average of 45.8°. This is one of the warmest places in California.

December has the coldest nighttime temperatures for Altamont with an average of 21.1°. This is colder than most places in Oregon.

In Pacifica, there are 2.6 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In Altamont, there are 24.2 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.

In Pacifica, there are 0.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Altamont, there are 167.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.

In Pacifica, 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 Altamont, there are 1.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Oregon.

January is the wettest month in Pacifica with 5.0 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 58% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 25.4 inches in Pacifica means that it is wetter than most places in California.

December is the wettest month in Altamont with 2.6 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 41% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 16.2 inches in Altamont means that it is drier than most places in Oregon.

January is the rainiest month in Pacifica with 11.2 days of rain, and July is the driest month with only 0.3 rainy days. There are 69.2 rainy days annually in Pacifica, which is rainier than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 4% chance of a rainy day.

December is the rainiest month in Altamont with 12.8 days of rain, and July is the driest month with only 2.5 rainy days. There are 95.3 rainy days annually in Altamont, which is less rainy than most places in Oregon. The rainiest season is Spring when it rains 38% of the time and the driest is Autumn with only a 11% chance of a rainy day.

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

An annual snowfall of 37.6 inches in Altamont means that it is one of the snowiest places in Oregon.

Any measurable snowfall is a rare occurance in Pacifica.

December is the snowiest month in Altamont with 12.6 inches of snow, and 6 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 Pacifica 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 Altamont 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 Altamont

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2025 Compare Climate & Weather:
Pacifica, CA vs Altamont, OR

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Pacifica / Altamont

January has the coldest nighttime temperatures for Pacifica with an average of 45.8°. This is one of the warmest places in California.

December has the coldest nighttime temperatures for Altamont with an average of 21.1°. This is colder than most places in Oregon.

In Pacifica, there are 2.6 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In Altamont, there are 24.2 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.

In Pacifica, there are 0.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Altamont, there are 167.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.

In Pacifica, 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 Altamont, there are 1.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Oregon.

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

An annual snowfall of 37.6 inches in Altamont means that it is one of the snowiest places in Oregon.

Any measurable snowfall is a rare occurance in Pacifica.

December is the snowiest month in Altamont with 12.6 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Pacifica 2 Reviews

Reviews for Altamont 2 Reviews

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2025 Compare Climate & Weather:Pacifica, CA vs Altamont, OR

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Pacifica / Altamont

January has the coldest nighttime temperatures for Pacifica with an average of 45.8°. This is one of the warmest places in California.December has the coldest nighttime temperatures for Altamont with an average of 21.1°. This is colder than most places in Oregon.

In Pacifica, there are 2.6 days annually when the high temperature is over 90°, which is one of the coolest places in California.In Altamont, there are 24.2 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.

In Pacifica, there are 0.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.In Altamont, there are 167.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.

In Pacifica, 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 Altamont, there are 1.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Oregon.

There is rarely any recorded snowfall in Pacifica, ranking it as one of the least snowy places in California.An annual snowfall of 37.6 inches in Altamont means that it is one of the snowiest places in Oregon.

Any measurable snowfall is a rare occurance in Pacifica.December is the snowiest month in Altamont with 12.6 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Pacifica 2 Reviews

Reviews for Altamont 2 Reviews

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Zips In Pacifica, California

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2025 Compare Climate & Weather:
Pacifica, CA vs Altamont, OR

January has the coldest nighttime temperatures for Pacifica with an average of 45.8°. This is one of the warmest places in California.

December has the coldest nighttime temperatures for Altamont with an average of 21.1°. This is colder than most places in Oregon.

In Pacifica, there are 2.6 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In Altamont, there are 24.2 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.

In Pacifica, there are 0.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Altamont, there are 167.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.

In Pacifica, 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 Altamont, there are 1.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Oregon.

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

An annual snowfall of 37.6 inches in Altamont means that it is one of the snowiest places in Oregon.

Any measurable snowfall is a rare occurance in Pacifica.

December is the snowiest month in Altamont with 12.6 inches of snow, and 6 months of the year have significant snowfall.