Grinnell, Iowa 

1 Reviews | Review This Place | Photos and Maps

United States / Iowa / No Metro Area / Poweshiek County / Grinnell / Zip Codes

Climate in Grinnell, Iowa

Grinnell, Iowa gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Grinnell averages 27 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 196 sunny days per year in Grinnell. The US average is 205 sunny days.

Grinnell gets some kind of precipitation, on average, 104 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 84 degrees
Winter Low: the January low is 10
Rain: averages 37 inches of rain a year
Snow: averages 27 inches of snow a year


SPERLING'S COMFORT INDEX
Grinnell ranks 29/100 for Comfort Index

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.

CLIMATE

Climate Averages
  Grinnell, IowaUnited States
  36.6 in.38.1 in.
  27.2 in.27.8 in.
  103.8 days106.2 days
  196 days205 days
  83.9°85.8°
  9.8°21.7°
  2954
  3.74.3
  1014 ft.2443 ft.

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.


July is the hottest month for Grinnell with an average high temperature of 83.9°, which ranks it as about average compared to other places in Iowa. In Grinnell, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grinnell are June, September and August.


January has the coldest nighttime temperatures for Grinnell with an average of 9.8°. This is about average compared to other places in Iowa.


In Grinnell, there are 11.8 days annually when the high temperature is over 90°, which is cooler than most places in Iowa.


In Grinnell, there are 151.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Iowa.


In Grinnell, there are 18.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Iowa.


June is the wettest month in Grinnell with 5.0 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 38% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 36.6 inches in Grinnell means that it is wetter than most places in Iowa.


May is the rainiest month in Grinnell with 12.1 days of rain, and January is the driest month with only 6.0 rainy days. There are 103.8 rainy days annually in Grinnell, which is rainier than most places in Iowa. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 19% chance of a rainy day.


An annual snowfall of 27.2 inches in Grinnell means that it is less snowy than most places in Iowa.



December is the snowiest month in Grinnell with 7.2 inches of snow, and 6 months of the year have significant snowfall.


CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
Select Map Options
  • Annual Rainfall
  • Annual Snowfall
  • Precipitation Days
  • Sunny Days
  • July High Temp
  • January Low Temp
  • Reset Map

  • View More Data >

    Reviews for Grinnell    1 Reviews
    Too Cold - 4/12/2008
    Planning on moving to CA...well, actually BACK to CA... Too Cold... Read More

    Start Your Review of Grinnell



    View More Data >

    COMPARE COST OF LIVING
    Compare Grinnell, Iowa to any other place in the USA.

    MAPS OF GRINNELL, IOWA
    Check out the latest Maps in a variety of categories including cost of living, population, and commute time.Grinnell,Iowa Map
    ZIP CODES IN GRINNELL, IOWA
    50112

    NEW LISTINGS IN GRINNELL IA
    $119,500
    1706 4th Ave
    Bed 3 | Bath 2.0 |

    $125,000
    1834 Spencer St
    Bed 3 | Bath 2.0 |

    $114,900
    1008 Summer St
    Bed 3 | Bath 2.0 |

    $158,000
    1315 Summer St
    Bed 3 | Bath 1.0 |

    $115,000
    222 Broad St
    Bed 3 | Bath 1.0 |

    $154,900
    1420 Summer St
    Bed 3 | Bath 1.0 |


    PREMIUM SUBSCRIPTION

    Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.

    Try Now

    Join BestPlaces