2025 Compare Climate & Weather:
New Plymouth, ID vs Philomath, OR

Highlights

On average, there are 159 sunny days per year in Philomath. New Plymouth averages 208 sunny days per year. The US average is 205 sunny days.

Philomath, Oregon gets 58.6 inches of rain, on average, per year. New Plymouth, Idaho gets 10.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Philomath averages 6.3 inches of snow per year. New Plymouth averages 14.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Philomath, Oregon
Summer High: the July high is around 81 degrees
Winter Low: the January low is 33.9
Rain: averages 58.6 inches of rain a year
Snow: averages 6.3 inches of snow a year

New Plymouth, Idaho
Summer High: the July high is around 91.5 degrees
Winter Low: the January low is 20.9
Rain: averages 10.4 inches of rain a year
Snow: averages 14.4 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Philomath is 7.2 (10=best), which means it is about average compared to other places in Oregon.

The annual BestPlaces Comfort Index for New Plymouth is 7.2 (10=best), which means it is one of the most pleasant places in Idaho.

Today's Weather - New Plymouth, ID

75°F

Today's Weather - Philomath, OR

56°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: New Plymouth / Philomath

July is the hottest month for New Plymouth with an average high temperature of 91.5°, which ranks it as one of the hottest places in Idaho. In New Plymouth, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for New Plymouth are September, June and May.

August is the hottest month for Philomath with an average high temperature of 81.7°, which ranks it as cooler than most places in Oregon. In Philomath, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Philomath are September, July and August.

December has the coldest nighttime temperatures for New Plymouth with an average of 20.8°. This is warmer than most places in Idaho.

December has the coldest nighttime temperatures for Philomath with an average of 33.1°. This is about average compared to other places in Oregon.

In New Plymouth, there are 50.3 days annually when the high temperature is over 90°, which is one of the hottest places in Idaho.

In Philomath, there are 10.9 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

In New Plymouth, there are 134.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Idaho.

In Philomath, there are 51.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oregon.

In New Plymouth, there are 3.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Idaho.

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

December is the wettest month in New Plymouth with 1.4 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 34% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 10.4 inches in New Plymouth means that it is drier than most places in Idaho.


December is the wettest month in Philomath with 11.1 inches of rain, and the driest month is July with 0.4 inches. The wettest season is Spring with 48% of yearly precipitation and 4% occurs in Autumn, which is the driest season. The annual rainfall of 58.6 inches in Philomath means that it is wetter than most places in Oregon.

December is the rainiest month in New Plymouth with 10.3 days of rain, and July is the driest month with only 2.5 rainy days. There are 81.7 rainy days annually in New Plymouth, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 13% chance of a rainy day.

January is the rainiest month in Philomath with 20.5 days of rain, and August is the driest month with only 3.2 rainy days. There are 161.6 rainy days annually in Philomath, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 36% of the time and the driest is Autumn with only a 9% chance of a rainy day.

An annual snowfall of 14.4 inches in New Plymouth means that it is less snowy than most places in Idaho.

An annual snowfall of 6.3 inches in Philomath means that it is snowier than most places in Oregon.

December is the snowiest month in New Plymouth with 5.9 inches of snow, and 4 months of the year have significant snowfall.

February is the snowiest month in Philomath with 2.8 inches of snow, and 3 months of the year have significant snowfall.