2025 Compare Climate & Weather:
Portland, OR vs Lafayette, LA

Highlights

On average, there are 217 sunny days per year in Lafayette. Portland averages 144 sunny days per year. The US average is 205 sunny days.

Lafayette, Louisiana gets 61.6 inches of rain, on average, per year. Portland, Oregon gets 42.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Lafayette averages 0 inches of snow per year. Portland averages 2.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Lafayette, Louisiana
Summer High: the July high is around 91.1 degrees
Winter Low: the January low is 41.6
Rain: averages 61.6 inches of rain a year
Snow: averages 0 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Lafayette is 6.8 (10=best), which means it is less comfortable than most places in Louisiana.

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

Today's Weather - Portland, OR

63°F

Today's Weather - Lafayette, LA

64°F

Average Monthly High / Low (°F)

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

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.

August is the hottest month for Lafayette with an average high temperature of 91.7°, which ranks it as cooler than most places in Louisiana. In Lafayette, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lafayette are April, October and November.

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

January has the coldest nighttime temperatures for Lafayette with an average of 41.6°. This is warmer than most places in Louisiana.

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

In Lafayette, there are 73.4 days annually when the high temperature is over 90°, which is cooler than most places in Louisiana.

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 Lafayette, there are 13.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Louisiana.

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.

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

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.


June is the wettest month in Lafayette with 6.7 inches of rain, and the driest month is March with 3.9 inches. The wettest season is Autumn with 28% of yearly precipitation and 21% occurs in Summer, which is the driest season. The annual rainfall of 61.6 inches in Lafayette means that it is about average compared to other places in Louisiana.

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.

July is the rainiest month in Lafayette with 12.7 days of rain, and April is the driest month with only 6.4 rainy days. There are 108.0 rainy days annually in Lafayette, which is rainier than most places in Louisiana. The rainiest season is Autumn when it rains 33% of the time and the driest is Summer with only a 20% chance of a rainy day.

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

There is rarely any recorded snowfall in Lafayette, ranking it as one of the least snowy places in Louisiana.

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

Any measurable snowfall is a rare occurance in Lafayette.