2025 Compare Climate & Weather:
Seattle, WA vs Indianapolis, IN

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Highlights

On average, there are 186 sunny days per year in Indianapolis. Seattle averages 152 sunny days per year. The US average is 205 sunny days.

Indianapolis, Indiana gets 42.4 inches of rain, on average, per year. Seattle, Washington gets 38 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Indianapolis averages 21.6 inches of snow per year. Seattle averages 4.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Indianapolis, Indiana
Summer High:
the July high is around 84 degrees
Winter Low: the January low is 19.5
Rain: averages 42.4 inches of rain a year
Snow: averages 21.6 inches of snow a year

Seattle, Washington
Summer High:
the July high is around 75.8 degrees
Winter Low: the January low is 37
Rain: averages 38 inches of rain a year
Snow: averages 4.6 inches of snow a year

BestPlaces Comfort Index
Indianapolis

The annual BestPlaces Comfort Index for Indianapolis is 7.0 (10=best), which means it is about average compared to other places in Indiana.

7 / 10
September, June and May are the most pleasant months in Indianapolis, while January and December are the least comfortable months.

Seattle

The annual BestPlaces Comfort Index for Seattle is 7.5 (10=best), which means it is one of the most pleasant places in Washington.

7.5 / 10
August, July and September are the most pleasant months in Seattle, while December and January are the least comfortable months.

Today's Weather - Seattle, WA

2 AM PST

Mostly Clear

47°F

DAYDESCRIPTIONHIGH / LOWWIND
OvernightMostly Clear44° / 72°NNE 3 mph
Thursday NightClear51° / 71°NW 6 mph
Friday NightRain Showers Likely50° / 57°SW 7 to 12 mph
Saturday NightPartly Cloudy44° / 62°ENE 2 to 6 mph
Sunday NightMostly Clear44° / 69°NNE 2 to 7 mph
Monday NightPartly Cloudy48° / 70°NNE 2 to 7 mph
Tuesday NightPartly Cloudy49° / 71°NNE 2 to 7 mph
Today's Weather - Indianapolis, IN

2 AM PST

Scattered Showers And Thunderstorms

63°F

DAYDESCRIPTIONHIGH / LOWWIND
OvernightScattered Showers And Thunderstorms63° / 74°SSE 9 mph
Thursday NightScattered Showers And Thunderstorms59° / 73°SW 6 to 17 mph
Friday NightChance Showers And Thunderstorms53° / 64°NW 7 mph
Saturday NightChance Showers And Thunderstorms45° / 62°NNE 7 to 10 mph
Sunday NightChance Rain Showers48° / 66°NE 8 mph
Monday NightChance Showers And Thunderstorms then Partly Cloudy49° / 74°ENE 3 to 7 mph
Tuesday NightSlight Chance Showers And Thunderstorms then Partly Cloudy53° / 75°NNE 3 to 7 mph
Average Monthly High / Low (°F)
MonthSeattle, WAIndianapolis, IN
January48° / 37°35° / 20°
February51° / 37°39° / 23°
March54° / 40°50° / 31°
April59° / 43°62° / 42°
May65° / 48°72° / 52°
June70° / 53°81° / 62°
July76° / 57°84° / 65°
August76° / 57°83° / 63°
September71° / 53°77° / 55°
October60° / 46°65° / 44°
November52° / 40°52° / 34°
December46° / 36°38° / 24°
Hot, Freezing, Rainy, Snowy Days: Seattle / Indianapolis
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 06 / 2618 / 111 / 6
February0 / 05 / 2315 / 91 / 4
March0 / 02 / 1717 / 110 / 2
April0 / 00 / 415 / 120 / 0
May0 / 00 / 012 / 130 / 0
June0 / 20 / 010 / 110 / 0
July1 / 40 / 06 / 100 / 0
August0 / 40 / 05 / 80 / 0
September0 / 10 / 08 / 80 / 0
October0 / 00 / 313 / 80 / 0
November0 / 03 / 1319 / 100 / 1
December0 / 07 / 2418 / 121 / 5
August is the hottest month for Seattle with an average high temperature of 76.3°, which ranks it as cooler than most places in Washington. In Seattle, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Seattle are August, July and September.

July is the hottest month for Indianapolis with an average high temperature of 84.0°, which ranks it as about average compared to other places in Indiana. In Indianapolis, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Indianapolis are September, June and August.
December has the coldest nighttime temperatures for Seattle with an average of 35.9°. This is one of the warmest places in Washington.

January has the coldest nighttime temperatures for Indianapolis with an average of 19.5°. This is warmer than most places in Indiana.

In Seattle, there are 1.7 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

In Indianapolis, there are 11.3 days annually when the high temperature is over 90°, which is cooler than most places in Indiana.

In Seattle, there are 24.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Washington.

In Indianapolis, there are 110.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Indiana.

In Seattle, 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 Indianapolis, there are 4.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Indiana.

November is the wettest month in Seattle with 6.2 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 39% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 38.0 inches in Seattle means that it is about average compared to other places in Washington.


May is the wettest month in Indianapolis with 5.1 inches of rain, and the driest month is February with 2.3 inches. The wettest season is Summer with 29% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 42.4 inches in Indianapolis means that it is about average compared to other places in Indiana.

November is the rainiest month in Seattle with 18.7 days of rain, and August is the driest month with only 5.3 rainy days. There are 155.3 rainy days annually in Seattle, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 13% chance of a rainy day.

May is the rainiest month in Indianapolis with 12.8 days of rain, and September is the driest month with only 7.8 rainy days. There are 122.1 rainy days annually in Indianapolis, which is rainier than most places in Indiana. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 4.6 inches in Seattle means that it is about average compared to other places in Washington.

An annual snowfall of 21.6 inches in Indianapolis means that it is about average compared to other places in Indiana.
December is the snowiest month in Seattle with 2.1 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in Indianapolis with 6.7 inches of snow, and 4 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Seattle    2 Reviews

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

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Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

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Reviews for Indianapolis    2 Reviews

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

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