Altoona (IA) Climate by Month
Altoona experiences great temperature shifts.
The city's weather can transition from warm days
to very cold weather.
It receives mid-range precipitation levels.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
The climate in Altoona is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures range from a comfortable 30°C in July, the warmest time of the year, to a very cold -1°C during cooler months like January. At night, temperatures typically average around -11°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Altoona receives mid-range precipitation levels, with 976 mm annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives heavy rainfall, averaging 162 mm of precipitation, recorded across 13 rainy days. In contrast, the drier season, January brings less snowfall, with 19 mm over 6 snowy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Altoona. While July receives considerable daily sunshine with up to 11.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.3 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is low throughout the year in Altoona.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Altoona ranges from 3°C in July to 5°C in March.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Altoona in the United States of America
During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -1°C.
June tops the wettest month list with 162 mm of rainfall.
January is the driest month with 19 mm of precipitation.
July is the sunniest month with an average of 335 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
