Climate Overview
The climate in Charles City Municipal Airport is cool. The average annual temperature is 9°C and approximately 962mm of precipitation falls per year. Charles City Municipal Airport receives a notable amount of rainfall throughout the year, including during its driest month. Charles City 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 February, January, December, when temperatures can drop to -11°C. Snowfall occurs from January to December, with around 81cm accumulating over the season.
Temperature
Charles City Municipal Airport has a wide annual temperature range, spanning 39°C from the coldest to warmest months. The warmest month is July, when average highs reach 28°C and the mean temperature sits around 23°C. The coldest month is February, when overnight lows fall to -11°C and the daily average is -6°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 9°C shift in average temperatures.
Precipitation
Charles City Municipal Airport is a moderately rainy area, receiving approximately 962mm of precipitation annually, which averages out to around 80mm per month. The wettest month is May, averaging 135mm of rainfall. June and August also tend to see above-average precipitation. The driest month is January, with just 36mm. That's 99mm less than May, 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 81cm accumulating over the season. January typically sees the most snow at around 18cm.
Wind
Charles City Municipal Airport is moderately windy, with an average annual wind speed of 23km/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 27km/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 9km/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 23km/h in winter, 25km/h in spring, 19km/h in summer, 23km/h in autumn.
Seasons
92 days until Summer
It is currently spring in Charles City Municipal Airport, which began on March 20, 2026. Charles City 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 28°C, while the coldest stretch bottoms out in February near -11°C. Summer is next, beginning on June 21, 2026 — 92 days from now.
Spring
Temperatures range from -2 to 22°C. Precipitation is moderate at around 286mm for the season, averaging 95mm per month. Winds are moderate at around 25km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 16 to 28°C. Rainfall is heavy, totalling around 329mm across the season with a monthly average of 110mm. Winds are moderate at around 19km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from -1 to 25°C. Precipitation is moderate at around 229mm for the season, averaging 76mm per month. Expect around 8cm of snow accumulation during this period. Winds are moderate at around 23km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -11 to 1°C. Rainfall is relatively light, with around 119mm over the season and a monthly average of 40mm. Expect around 53cm of snow accumulation during this period. Winds are moderate at around 23km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Charles City Municipal Airport is during July and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 90mm per month. By contrast, February can be quite cold with temperatures dropping to -11°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Charles City 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.