Climate Overview
The climate in Charles E Grutzmacher Municipal Airport is temperate. The average annual temperature is 13°C and approximately 937mm of precipitation falls per year. May is the wettest month, receiving around 189mm of rainfall. Charles E Grutzmacher Municipal 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 -5°C. Light snow can occur between January and December.
Temperature
Charles E Grutzmacher Municipal 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 32°C and the mean temperature sits around 26°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -1°C. On average, daily temperatures fluctuate by about 12°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
Charles E Grutzmacher Municipal Airport is a moderately rainy area, receiving approximately 937mm of precipitation annually, which averages out to around 78mm per month. The wettest month is May, averaging 189mm of rainfall. August and April also tend to see above-average precipitation. The driest month is February, with just 28mm. That's 161mm less than May, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and December, totalling around 35cm annually. January is the snowiest month with approximately 13cm.
Wind
Charles E Grutzmacher Municipal Airport is moderately windy, with an average annual wind speed of 21km/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 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 22km/h in winter, 24km/h in spring, 19km/h in summer, 21km/h in autumn.
Seasons
92 days until Summer
It is currently spring in Charles E Grutzmacher Municipal Airport, which began on March 20, 2026. Charles E Grutzmacher Municipal 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 32°C, while the coldest stretch bottoms out in January near -5°C. Summer is next, beginning on June 21, 2026 — 92 days from now.
Spring
Temperatures range from 2 to 24°C. Rainfall is heavy, totalling around 359mm across the season with a monthly average of 120mm. Winds are moderate at around 24km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 19 to 32°C. Precipitation is moderate at around 291mm for the season, averaging 97mm per month. Winds are moderate at around 19km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 2 to 29°C. Precipitation is moderate at around 184mm for the season, averaging 61mm per month. Expect around 5cm of snow accumulation during this period. Winds are moderate at around 21km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -5 to 8°C. Rainfall is relatively light, with around 103mm over the season and a monthly average of 34mm. Expect around 26cm of snow accumulation during this period. Winds are moderate at around 22km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Charles E Grutzmacher Municipal Airport is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 58mm per month. By contrast, July can be uncomfortably hot with highs reaching 32°C, while January is the coldest period with lows dropping to -5°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Charles E Grutzmacher Municipal 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.