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

Highlights

On average, there are 263 sunny days per year in Carlsbad. Hillsboro averages 142 sunny days per year. The US average is 205 sunny days.

Carlsbad, California gets 12 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.

Carlsbad 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

Carlsbad, California
Summer High: the July high is around 73.1 degrees
Winter Low: the January low is 44.3
Rain: averages 12 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

The annual BestPlaces Comfort Index for Carlsbad is 9.0 (10=best), which means it is more comfortable than most places in California.

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

Today's Weather - Hillsboro, OR

46°F

Today's Weather - Carlsbad, CA

56°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Hillsboro / Carlsbad

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.

August is the hottest month for Carlsbad with an average high temperature of 74.5°, which ranks it as one of the coolest places in California. In Carlsbad, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Carlsbad are August, September and July.

December has the coldest nighttime temperatures for Hillsboro with an average of 35.7°. This is warmer than most places in Oregon.

December has the coldest nighttime temperatures for Carlsbad with an average of 43.8°. 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 Carlsbad, there are 1.1 days annually when the high temperature is over 90°, which is one of the coolest 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 Carlsbad, there are 1.6 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 Carlsbad, 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.


February is the wettest month in Carlsbad with 2.6 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 57% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 12.0 inches in Carlsbad means that it is drier than most 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.

February is the rainiest month in Carlsbad with 6.9 days of rain, and July is the driest month with only 0.4 rainy days. There are 38.2 rainy days annually in Carlsbad, which is less rainy 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 4% 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 Carlsbad, 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 Carlsbad.