The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Hillsboro, OR vs Folsom, CA

2025 Compare Climate & Weather:
Hillsboro, OR vs Folsom, CA

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Highlights

On average, there are 267 sunny days per year in Folsom. Hillsboro averages 142 sunny days per year. The US average is 205 sunny days.

Folsom, California gets 20.8 inches of rain, on average, per year. Hillsboro, Oregon gets 39.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Folsom averages 0 inches of snow per year. Hillsboro averages 3.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Folsom, California
Summer High: the July high is around 93.9 degrees
Winter Low: the January low is 39.2
Rain: averages 20.8 inches of rain a year
Snow: averages 0 inches of snow a year

Hillsboro, Oregon
Summer High: the July high is around 80.8 degrees
Winter Low: the January low is 36.7
Rain: averages 39.2 inches of rain a year
Snow: averages 3.2 inches of snow a year

BestPlaces Comfort Index
Folsom

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

8.3 / 10
October, May and June are the most pleasant months in Folsom, while January and December are the least comfortable months.

Hillsboro

The annual BestPlaces Comfort Index for Hillsboro 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 Hillsboro, while December and January are the least comfortable months.

Average Monthly High / Low (°F)
MonthHillsboro, ORFolsom, CA
January48° / 37°55° / 39°
February52° / 37°61° / 42°
March57° / 40°66° / 45°
April62° / 42°72° / 48°
May68° / 47°81° / 53°
June74° / 51°88° / 57°
July81° / 55°94° / 60°
August82° / 54°93° / 60°
September76° / 50°88° / 58°
October64° / 44°78° / 52°
November53° / 40°64° / 44°
December47° / 36°55° / 39°
Hot, Freezing, Rainy, Snowy Days: Hillsboro / Folsom
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 07 / 320 / 101 / 0
February0 / 06 / 116 / 90 / 0
March0 / 03 / 018 / 90 / 0
April0 / 11 / 016 / 50 / 0
May0 / 50 / 012 / 30 / 0
June1 / 120 / 09 / 10 / 0
July5 / 220 / 04 / 00 / 0
August5 / 200 / 03 / 10 / 0
September2 / 140 / 06 / 10 / 0
October0 / 31 / 012 / 30 / 0
November0 / 04 / 120 / 70 / 0
December0 / 09 / 420 / 101 / 0
August is the hottest month for Hillsboro with an average high temperature of 81.8°, which ranks it as cooler than most places in Oregon. In Hillsboro, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hillsboro are September, July and August.

July is the hottest month for Folsom with an average high temperature of 93.9°, which ranks it as warmer than most places in California. In Folsom, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Folsom are October, May and April.
December has the coldest nighttime temperatures for Hillsboro with an average of 35.7°. This is warmer than most places in Oregon.

January has the coldest nighttime temperatures for Folsom with an average of 39.2°. This is warmer than most places in California.

In Hillsboro, there are 13.1 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

In Folsom, there are 76.8 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Hillsboro, there are 31.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Folsom, there are 7.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

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

December is the wettest month in Hillsboro with 6.3 inches of rain, and the driest month is July with 0.7 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 39.2 inches in Hillsboro means that it is about average compared to other places in Oregon.


January is the wettest month in Folsom with 4.0 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 55% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 20.8 inches in Folsom means that it is about average compared to other places in California.

November is the rainiest month in Hillsboro with 20.2 days of rain, and August is the driest month with only 3.4 rainy days. There are 156.2 rainy days annually in Hillsboro, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 10% chance of a rainy day.

January is the rainiest month in Folsom with 10.1 days of rain, and July is the driest month with only 0.0 rainy days. There are 58.6 rainy days annually in Folsom, which is about average compared to other places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 3% chance of a rainy day.

An annual snowfall of 3.2 inches in Hillsboro means that it is about average compared to other places in Oregon.

There is rarely any recorded snowfall in Folsom, ranking it as one of the least snowy places in California.
December is the snowiest month in Hillsboro with 1.4 inches of snow, and 3 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Folsom.

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 Hillsboro    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 Hillsboro

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Reviews for Folsom    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 Folsom

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Zips In Hillsboro, Oregon
97124, 97123
Zips In FOLSOM, CALIFORNIA
95630
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