2025 Compare Climate & Weather:
Hillsborough, NC vs Hillsboro, OR

Highlights

On average, there are 142 sunny days per year in Hillsboro. Hillsborough averages 218 sunny days per year. The US average is 205 sunny days.

Hillsboro, Oregon gets 39.2 inches of rain, on average, per year. Hillsborough, North Carolina gets 45.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Hillsboro averages 3.2 inches of snow per year. Hillsborough averages 3.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Hillsborough, North Carolina
Summer High: the July high is around 88.2 degrees
Winter Low: the January low is 29.1
Rain: averages 45.9 inches of rain a year
Snow: averages 3.5 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Hillsborough is 7.6 (10=best), which means it is one of the most pleasant places in North Carolina.

Today's Weather - Hillsborough, NC

63°F

Today's Weather - Hillsboro, OR

42°F

Average Monthly High / Low (°F)

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

July is the hottest month for Hillsborough with an average high temperature of 88.2°, which ranks it as cooler than most places in North Carolina. In Hillsborough, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hillsborough are May, September and October.

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.

January has the coldest nighttime temperatures for Hillsborough with an average of 29.1°. This is about average compared to other places in North Carolina.

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

In Hillsborough, there are 32.4 days annually when the high temperature is over 90°, which is cooler than most places in North Carolina.

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

In Hillsborough, there are 69.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in North Carolina.

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

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.

August is the wettest month in Hillsborough with 4.5 inches of rain, and the driest month is February with 3.3 inches. The wettest season is Autumn with 28% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 45.9 inches in Hillsborough means that it is drier than most places in North Carolina.


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.

July is the rainiest month in Hillsborough with 10.2 days of rain, and October is the driest month with only 7.3 rainy days. There are 108.2 rainy days annually in Hillsborough, which is less rainy than most places in North Carolina. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

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.

An annual snowfall of 3.5 inches in Hillsborough means that it is snowier than most places in North Carolina.

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

January is the snowiest month in Hillsborough with 2.0 inches of snow, and 2 months of the year have significant snowfall.

December is the snowiest month in Hillsboro with 1.4 inches of snow, and 3 months of the year have significant snowfall.