2025 Compare Climate & Weather:
Rapid City, SD vs Grand Rapids, MI

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Highlights

On average, there are 158 sunny days per year in Grand Rapids. Rapid City averages 226 sunny days per year. The US average is 205 sunny days.

Grand Rapids, Michigan gets 37.3 inches of rain, on average, per year. Rapid City, South Dakota gets 18.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Grand Rapids averages 64.2 inches of snow per year. Rapid City averages 38 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Grand Rapids, Michigan
Summer High: the July high is around 82.2 degrees
Winter Low: the January low is 17.6
Rain: averages 37.3 inches of rain a year
Snow: averages 64.2 inches of snow a year

Rapid City, South Dakota
Summer High: the July high is around 85.3 degrees
Winter Low: the January low is 14.2
Rain: averages 18.2 inches of rain a year
Snow: averages 38 inches of snow a year

BestPlaces Comfort Index
Grand Rapids

The annual BestPlaces Comfort Index for Grand Rapids is 6.7 (10=best), which means it is more comfortable than most places in Michigan.

6.7 / 10
August, July and June are the most pleasant months in Grand Rapids, while January and December are the least comfortable months.

Rapid City

The annual BestPlaces Comfort Index for Rapid City is 7.0 (10=best), which means it is one of the most pleasant places in South Dakota.

7 / 10
August, July and June are the most pleasant months in Rapid City, while February and January are the least comfortable months.

Today's Weather - Rapid City, SD

1 PM PST

Sunny

92°F

DAYDESCRIPTIONHIGH / LOWWIND
This AfternoonSunny95° / 63°S 15 mph
TuesdaySunny83° / 54°NW 10 to 15 mph
WednesdayShowers And Thunderstorms Likely69° / 47°NW 14 to 18 mph
ThursdayRain Showers Likely62° / 44°NW 22 to 32 mph
FridayMostly Sunny66° / 42°NW 14 to 21 mph
SaturdayMostly Sunny then Chance Showers And Thunderstorms68° / 43°E 3 to 12 mph
SundayShowers And Thunderstorms Likely54° / 38°NE 6 to 15 mph
Today's Weather - Grand Rapids, MI

1 PM PST

Partly Sunny

83°F

DAYDESCRIPTIONHIGH / LOWWIND
This AfternoonPartly Sunny85° / 62°SE 10 mph
TuesdayChance Rain Showers then Chance Showers And Thunderstorms77° / 62°ESE 9 mph
WednesdayShowers And Thunderstorms Likely78° / 61°SE 6 mph
ThursdayMostly Sunny then Chance Rain Showers85° / 60°SSE 3 to 10 mph
FridayChance Rain Showers then Slight Chance Showers And Thunderstorms80° / 54°SW 7 to 15 mph
SaturdayChance Rain Showers70° / 48°WSW 9 to 13 mph
SundayMostly Sunny67° / 45°WNW 6 to 10 mph
Average Monthly High / Low (°F)
MonthRapid City, SDGrand Rapids, MI
January38° / 14°31° / 18°
February39° / 16°34° / 19°
March47° / 23°44° / 26°
April57° / 32°58° / 37°
May67° / 43°69° / 47°
June76° / 52°79° / 57°
July85° / 59°82° / 61°
August85° / 58°80° / 60°
September74° / 47°73° / 52°
October60° / 35°61° / 41°
November47° / 24°47° / 32°
December37° / 15°35° / 23°
Hot, Freezing, Rainy, Snowy Days: Rapid City / Grand Rapids
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 029 / 284 / 135 / 11
February0 / 026 / 255 / 105 / 8
March0 / 025 / 236 / 104 / 5
April0 / 015 / 109 / 123 / 1
May0 / 03 / 111 / 100 / 0
June2 / 20 / 012 / 90 / 0
July9 / 30 / 09 / 90 / 0
August8 / 20 / 08 / 90 / 0
September2 / 01 / 06 / 100 / 0
October0 / 010 / 57 / 111 / 0
November0 / 023 / 154 / 123 / 3
December0 / 029 / 264 / 144 / 10
July is the hottest month for Rapid City with an average high temperature of 85.3°, which ranks it as about average compared to other places in South Dakota. In Rapid City, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rapid City are June, September and August.

July is the hottest month for Grand Rapids with an average high temperature of 82.2°, which ranks it as warmer than most places in Michigan. In Grand Rapids, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grand Rapids are June, August and July.
January has the coldest nighttime temperatures for Rapid City with an average of 14.2°. This is one of the warmest places in South Dakota.

January has the coldest nighttime temperatures for Grand Rapids with an average of 17.6°. This is warmer than most places in Michigan.

In Rapid City, there are 22.5 days annually when the high temperature is over 90°, which is about average compared to other places in South Dakota.

In Grand Rapids, there are 6.8 days annually when the high temperature is over 90°, which is hotter than most places in Michigan.

In Rapid City, there are 159.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Dakota.

In Grand Rapids, there are 133.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Michigan.

In Rapid City, there are 14.9 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in South Dakota.

In Grand Rapids, there are 4.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Michigan.

May is the wettest month in Rapid City with 3.8 inches of rain, and the driest month is January with 0.3 inches. The wettest season is Autumn with 38% of yearly precipitation and 6% occurs in Spring, which is the driest season. The annual rainfall of 18.2 inches in Rapid City means that it is drier than most places in South Dakota.


September is the wettest month in Grand Rapids with 4.1 inches of rain, and the driest month is February with 1.9 inches. The wettest season is Winter with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 37.3 inches in Grand Rapids means that it is one of the wettest places in Michigan.

June is the rainiest month in Rapid City with 11.8 days of rain, and November is the driest month with only 4.0 rainy days. There are 85.4 rainy days annually in Rapid City, which is rainier than most places in South Dakota. The rainiest season is Autumn when it rains 34% of the time and the driest is Spring with only a 15% chance of a rainy day.

December is the rainiest month in Grand Rapids with 13.5 days of rain, and July is the driest month with only 9.0 rainy days. There are 129.1 rainy days annually in Grand Rapids, which is about average compared to other places in Michigan. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 38.0 inches in Rapid City means that it is about average compared to other places in South Dakota.

An annual snowfall of 64.2 inches in Grand Rapids means that it is snowier than most places in Michigan.
March is the snowiest month in Rapid City with 8.6 inches of snow, and 8 months of the year have significant snowfall.

January is the snowiest month in Grand Rapids with 18.6 inches of snow, and 6 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 Rapid City    2 Reviews
Jill · Sherman Oaks, CA
re:
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
NC For Me · Apex, NC
re:
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

Start Your Review of Rapid City

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Reviews for Grand Rapids    2 Reviews
Jill · Sherman Oaks, CA
re:
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
NC For Me · Apex, NC
re:
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

Start Your Review of Grand Rapids

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Zips In Rapid City, South Dakota
57701, 57702
Zips In GRAND RAPIDS, MICHIGAN
49504, 49507, 49503, 49506, 49505
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