Climate Overview
The climate in Iowa County Airport is cool. The average annual temperature is 9°C and approximately 1105mm of precipitation falls per year. Iowa County Airport receives a notable amount of rainfall throughout the year, including during its driest month. Iowa County Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to -9°C. Snowfall occurs from January to December, with around 118cm accumulating over the season.
Temperature
Iowa County Airport has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is July, when average highs reach 28°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -9°C and the daily average is -6°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°C shift in average temperatures.
Precipitation
Iowa County Airport is a moderately rainy area, receiving approximately 1105mm of precipitation annually, which averages out to around 92mm per month. The wettest month is September, averaging 135mm of rainfall. May and June also tend to see above-average precipitation. The driest month is December, with just 44mm. That's 91mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 118cm accumulating over the season. January typically sees the most snow at around 30cm.
Wind
Iowa County Airport is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
1 day until Summer
It is currently spring in Iowa County Airport, which began on March 20, 2026. Iowa County Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 28°C, while the coldest stretch bottoms out in January near -9°C. Summer is next, beginning on June 21, 2026 — 1 days from now.
Spring
Temperatures range from -1 to 21°C. Precipitation is moderate at around 301mm for the season, averaging 100mm per month. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 17 to 28°C. Rainfall is heavy, totalling around 344mm across the season with a monthly average of 115mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 0 to 24°C. Rainfall is heavy, totalling around 305mm across the season with a monthly average of 102mm. Expect around 11cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -9 to 1°C. Precipitation is moderate at around 155mm for the season, averaging 52mm per month. Expect around 83cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Iowa County Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
