Altoona, Iowa Weather by Month

Altoona is a thriving city located in Polk County, in the central part of the state of Iowa, United States. It is part of the Des Moines metropolitan area and lies just 8 miles east of downtown Des Moines. Geographically, Altoona is characterized by its flat to gently rolling terrain, with fertile lands that are ideal for agriculture. The city covers an area of approximately 9.3 square miles and has a population of around 20,000 residents, offering a blend of suburban tranquility and access to urban amenities.

Altoona is known for its family-friendly atmosphere and robust economy. One of the notable companies in the area is the headquarters of Prairie Meadows, a casino and horse racing track that attracts visitors from across the region. The city is also home to Adventureland Park, one of Iowa’s premier amusement parks, which provides entertainment and recreational opportunities for both residents and tourists.

Prominent landmarks in Altoona include the Altoona Aquatic Park, a popular spot for summer fun, and the Outlets of Des Moines, a major shopping destination. The town’s proximity to Des Moines also means easy access to the cultural and educational institutions of Iowa’s capital city, including Drake University.

Climate and Weather Overview

Altoona, Iowa, experiences a humid continental climate, characterized by four distinct seasons: hot, humid summers; cold, snowy winters; and mild to cool spring and autumn seasons. The climate is influenced by its inland location and the continental climate patterns, leading to significant temperature variations throughout the year.

Average Temperature, Precipitation, and Sunny Days

Month Average High (°F) Average Low (°F) Average Precipitation (inches) Average Sunny Days
January 31 13 1.1 9
February 36 18 1.0 9
March 49 29 2.2 12
April 62 41 3.2 12
May 73 52 4.3 14
June 82 62 4.5 15
July 86 66 4.2 15
August 84 64 4.3 14
September 76 55 3.1 12
October 64 42 2.5 11
November 48 30 2.1 9
December 33 17 1.3 8

Weather by Month


Weather Overview:
January in Altoona is cold, with average high temperatures around 31°F and lows dropping to 13°F. The city receives about 1.1 inches of precipitation, mostly in the form of snow.

Natural Disasters:
Blizzards and heavy snowfall can disrupt transportation and daily activities, though severe natural disasters are rare.


  • Indoor: Visiting the Altoona Public Library and attending community events.
  • Outdoor: Sledding and ice skating in local parks.


Weather Overview:
February remains cold, with temperatures ranging from 36°F during the day to 18°F at night. Precipitation decreases slightly to 1.0 inches.

Natural Disasters:
Heavy snowfall and occasional ice storms can occur, impacting travel and outdoor activities.


  • Indoor: Participating in indoor sports and recreational activities at local community centers.
  • Outdoor: Enjoying winter hiking and snowshoeing.


Weather Overview:
March brings a warming trend, with average highs of 49°F and lows around 29°F. The town experiences about 2.2 inches of precipitation.

Natural Disasters:
Early spring storms and melting snow can cause localized flooding.


  • Indoor: Exploring local museums and cultural centers.
  • Outdoor: Early spring gardening and visiting nature trails.


Weather Overview:
April sees further warming, with temperatures ranging from 62°F to 41°F. Rainfall increases to 3.2 inches.

Natural Disasters:
Spring storms and potential flooding remain a concern.


  • Indoor: Attending local arts and crafts fairs.
  • Outdoor: Hiking and biking in the increasingly pleasant weather.


Weather Overview:
May is significantly warmer, with average highs of 73°F and lows around 52°F. The town receives about 4.3 inches of rain.

Natural Disasters:
Thunderstorms are common, but severe weather is generally rare.


  • Indoor: Exploring historical exhibits at local museums.
  • Outdoor: Participating in outdoor sports and community events.


Weather Overview:
June ushers in the summer season, with temperatures ranging from 82°F to 62°F. Precipitation is around 4.5 inches.

Natural Disasters:
The risk of severe weather is low, making it a pleasant time for outdoor activities.


  • Indoor: Attending concerts and theater performances.
  • Outdoor: Swimming, picnicking, and enjoying summer festivals.


Weather Overview:
July is the hottest month, with average high temperatures reaching 86°F and lows around 66°F. Rainfall is about 4.2 inches.

Natural Disasters:
Heatwaves and thunderstorms can occur, necessitating precautions to avoid heat-related illnesses.


  • Indoor: Enjoying air-conditioned facilities and community centers.
  • Outdoor: Celebrating Independence Day with fireworks and barbecues.


Weather Overview:
August remains hot, with temperatures averaging between 84°F and 64°F. Precipitation is around 4.3 inches.

Natural Disasters:
The risk of thunderstorms remains, with occasional heatwaves.


  • Indoor: Visiting local art galleries and cultural exhibitions.
  • Outdoor: Hiking, camping, and participating in summer sports.


Weather Overview:
September sees a gradual cooling, with temperatures ranging from 76°F to 55°F. Rainfall decreases to about 3.1 inches.

Natural Disasters:
The risk of severe weather decreases, making it a great time for outdoor activities.


  • Indoor: Attending fall fairs and exhibitions.
  • Outdoor: Enjoying autumn activities such as apple picking and leaf-peeping.


Weather Overview:
October brings cooler weather, with average highs of 64°F and lows around 42°F. Precipitation is about 2.5 inches.

Natural Disasters:
Autumn storms can occur, but severe weather is rare.


  • Indoor: Participating in Halloween events and indoor markets.
  • Outdoor: Visiting pumpkin patches and hiking in the crisp fall air.


Weather Overview:
November temperatures range from 48°F during the day to 30°F at night. The town receives about 2.1 inches of rain.

Natural Disasters:
The likelihood of severe weather is minimal, making it a calm month weather-wise.


  • Indoor: Celebrating Thanksgiving with community gatherings.
  • Outdoor: Autumn walks and preparations for winter festivities.


Weather Overview:
December in Altoona is cold, with average highs of 33°F and lows of 17°F. Rainfall is around 1.3 inches, with occasional snowfall.

Natural Disasters:
Snowstorms and icy conditions can pose challenges for travel and outdoor activities.


  • Indoor: Enjoying holiday markets and community events.
  • Outdoor: Decorating for the holidays and participating in winter sports.

Altoona, Iowa, offers a rich variety of activities and experiences throughout the year, making it a charming place to visit or reside. The town’s climate provides distinct seasons, each with its unique set of outdoor and indoor activities, allowing residents and visitors to enjoy the natural beauty and community spirit of the area.

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