2025 Compare Climate & Weather:
Tacoma, WA vs Black Diamond, WA

Highlights

On average, there are 156 sunny days per year in Black Diamond. Tacoma averages 141 sunny days per year. The US average is 205 sunny days.

Black Diamond, Washington gets 50 inches of rain, on average, per year. Tacoma, Washington gets 40.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Black Diamond averages 4.7 inches of snow per year. Tacoma averages 4.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Black Diamond, Washington
Summer High: the July high is around 75.7 degrees
Winter Low: the January low is 34.7
Rain: averages 50 inches of rain a year
Snow: averages 4.7 inches of snow a year

Tacoma, Washington
Summer High: the July high is around 77 degrees
Winter Low: the January low is 36.5
Rain: averages 40.9 inches of rain a year
Snow: averages 4.2 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Black Diamond is 7.0 (10=best), which means it is less comfortable than most places in Washington.

The annual BestPlaces Comfort Index for Tacoma is 7.4 (10=best), which means it is one of the most pleasant places in Washington.

Today's Weather - Tacoma, WA

62°F

Today's Weather - Black Diamond, WA

63°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Tacoma / Black Diamond

August is the hottest month for Tacoma with an average high temperature of 77.1°, which ranks it as about average compared to other places in Washington. In Tacoma, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tacoma are August, July and September.

August is the hottest month for Black Diamond with an average high temperature of 76.4°, which ranks it as cooler than most places in Washington. In Black Diamond, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Black Diamond are August, July and September.

December has the coldest nighttime temperatures for Tacoma with an average of 35.2°. This is warmer than most places in Washington.

December has the coldest nighttime temperatures for Black Diamond with an average of 33.2°. This is about average compared to other places in Washington.

In Tacoma, there are 2.4 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

In Black Diamond, there are 3.3 days annually when the high temperature is over 90°, which is about average compared to other places in Washington.

In Tacoma, there are 31.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Washington.

In Black Diamond, there are 49.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

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

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

November is the wettest month in Tacoma with 6.7 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Spring with 40% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 40.9 inches in Tacoma means that it is about average compared to other places in Washington.


November is the wettest month in Black Diamond with 7.9 inches of rain, and the driest month is July with 1.3 inches. The wettest season is Spring with 34% of yearly precipitation and 11% occurs in Autumn, which is the driest season. The annual rainfall of 50.0 inches in Black Diamond means that it is wetter than most places in Washington.

November is the rainiest month in Tacoma with 19.3 days of rain, and August is the driest month with only 4.5 rainy days. There are 153.5 rainy days annually in Tacoma, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 12% chance of a rainy day.

November is the rainiest month in Black Diamond with 20.3 days of rain, and August is the driest month with only 5.8 rainy days. There are 173.6 rainy days annually in Black Diamond, which is rainier than most places in Washington. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 14% chance of a rainy day.

An annual snowfall of 4.2 inches in Tacoma means that it is less snowy than most places in Washington.

An annual snowfall of 4.7 inches in Black Diamond means that it is about average compared to other places in Washington.

December is the snowiest month in Tacoma with 1.1 inches of snow, and 4 months of the year have significant snowfall.

November is the snowiest month in Black Diamond with 1.4 inches of snow, and 4 months of the year have significant snowfall.