2025 Compare Climate & Weather:
Medford, OR vs Castle Rock, WA

Highlights

On average, there are 139 sunny days per year in Castle Rock. Medford averages 195 sunny days per year. The US average is 205 sunny days.

Castle Rock, Washington gets 60.8 inches of rain, on average, per year. Medford, Oregon gets 22.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Castle Rock averages 3.1 inches of snow per year. Medford averages 3.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Castle Rock, Washington
Summer High: the July high is around 77.1 degrees
Winter Low: the January low is 33.8
Rain: averages 60.8 inches of rain a year
Snow: averages 3.1 inches of snow a year

Medford, Oregon
Summer High: the July high is around 89.8 degrees
Winter Low: the January low is 31
Rain: averages 22.8 inches of rain a year
Snow: averages 3.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Castle Rock is 7.1 (10=best), which means it is about average compared to other places in Washington.

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

Today's Weather - Medford, OR

56°F

Today's Weather - Castle Rock, WA

49°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Medford / Castle Rock

July is the hottest month for Medford with an average high temperature of 89.8°, which ranks it as one of the hottest places in Oregon. In Medford, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Medford are June, September and May.

August is the hottest month for Castle Rock with an average high temperature of 78.3°, which ranks it as about average compared to other places in Washington. In Castle Rock, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Castle Rock are August, July and September.

January has the coldest nighttime temperatures for Medford with an average of 31.0°. This is colder than most places in Oregon.

December has the coldest nighttime temperatures for Castle Rock with an average of 33.0°. This is about average compared to other places in Washington.

In Medford, there are 46.2 days annually when the high temperature is over 90°, which is one of the hottest places in Oregon.

In Castle Rock, there are 6.0 days annually when the high temperature is over 90°, which is about average compared to other places in Washington.

In Medford, there are 81.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.

In Castle Rock, there are 57.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

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

December is the wettest month in Medford with 4.3 inches of rain, and the driest month is July with 0.4 inches. The wettest season is Spring with 45% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 22.8 inches in Medford means that it is drier than most places in Oregon.


November is the wettest month in Castle Rock with 9.9 inches of rain, and the driest month is July with 1.0 inches. The wettest season is Spring with 38% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 60.8 inches in Castle Rock means that it is wetter than most places in Washington.

December is the rainiest month in Medford with 13.7 days of rain, and July is the driest month with only 1.7 rainy days. There are 96.4 rainy days annually in Medford, which is less rainy than most places in Oregon. The rainiest season is Spring when it rains 39% of the time and the driest is Autumn with only a 8% chance of a rainy day.

November is the rainiest month in Castle Rock with 21.3 days of rain, and August is the driest month with only 6.0 rainy days. There are 181.2 rainy days annually in Castle Rock, which is rainier than most places in Washington. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 13% chance of a rainy day.

An annual snowfall of 3.3 inches in Medford means that it is about average compared to other places in Oregon.

An annual snowfall of 3.1 inches in Castle Rock means that it is less snowy than most places in Washington.

December is the snowiest month in Medford with 1.1 inches of snow, and 3 months of the year have significant snowfall.

December is the snowiest month in Castle Rock with 1.2 inches of snow, and 3 months of the year have significant snowfall.