2025 Compare Climate & Weather:
Biloxi, MS vs Portland, OR

Highlights

On average, there are 144 sunny days per year in Portland. Biloxi averages 219 sunny days per year. The US average is 205 sunny days.

Portland, Oregon gets 42.8 inches of rain, on average, per year. Biloxi, Mississippi gets 64.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Portland averages 2.6 inches of snow per year. Biloxi averages 0.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Portland, Oregon
Summer High: the July high is around 80.5 degrees
Winter Low: the January low is 36.4
Rain: averages 42.8 inches of rain a year
Snow: averages 2.6 inches of snow a year

Biloxi, Mississippi
Summer High: the July high is around 90.3 degrees
Winter Low: the January low is 42.2
Rain: averages 64.7 inches of rain a year
Snow: averages 0.2 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Biloxi, MS

80°F

Today's Weather - Portland, OR

62°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Biloxi / Portland

August is the hottest month for Biloxi with an average high temperature of 90.3°, which ranks it as cooler than most places in Mississippi. In Biloxi, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Biloxi are October, April and May.

August is the hottest month for Portland with an average high temperature of 81.1°, which ranks it as cooler than most places in Oregon. In Portland, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Portland are September, July and August.

January has the coldest nighttime temperatures for Biloxi with an average of 42.2°. This is one of the warmest places in Mississippi.

December has the coldest nighttime temperatures for Portland with an average of 35.6°. This is warmer than most places in Oregon.

In Biloxi, there are 46.6 days annually when the high temperature is over 90°, which is cooler than most places in Mississippi.

In Portland, there are 11.6 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

In Biloxi, there are 13.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Mississippi.

In Portland, there are 29.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

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

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

July is the wettest month in Biloxi with 7.1 inches of rain, and the driest month is October with 3.6 inches. The wettest season is Autumn with 31% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 64.7 inches in Biloxi means that it is one of the wettest places in Mississippi.


December is the wettest month in Portland with 6.8 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 42.8 inches in Portland means that it is about average compared to other places in Oregon.

July is the rainiest month in Biloxi with 12.9 days of rain, and October is the driest month with only 6.2 rainy days. There are 104.5 rainy days annually in Biloxi, which is rainier than most places in Mississippi. The rainiest season is Autumn when it rains 34% of the time and the driest is Summer with only a 20% chance of a rainy day.

November is the rainiest month in Portland with 19.3 days of rain, and August is the driest month with only 3.7 rainy days. There are 155.9 rainy days annually in Portland, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 11% chance of a rainy day.

An annual snowfall of 0.2 inches in Biloxi means that it is less snowy than most places in Mississippi.

An annual snowfall of 2.6 inches in Portland means that it is less snowy than most places in Oregon.

March is the snowiest month in Biloxi with 0.1 inches of snow, and no months of the year have significant snowfall.

December is the snowiest month in Portland with 0.9 inches of snow, and 3 months of the year have significant snowfall.