Climate Insights for Cheonan

The climate in Cheonan is temperate. The average annual temperature is 13°C and approximately 1,143 mm of precipitation falls per year. July is the wettest month, receiving around 259 mm of rainfall. Cheonan is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, December, February, when temperatures can drop to -5°C. Light snow can occur between January and December.The climate in Cheonan is temperate. The average annual temperature is 56°F and approximately 45 in of precipitation falls per year. July is the wettest month, receiving around 10.2 in of rainfall. Cheonan is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, December, February, when temperatures can drop to 22°F. Light snow can occur between January and December.

Cheonan has a wide annual temperature range, spanning 36°C from the coldest to warmest months. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 27°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 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 7°C shift in average temperatures.Cheonan has a wide annual temperature range, spanning 66°F from the coldest to warmest months. The warmest month is August, when average highs reach 88°F and the mean temperature sits around 80°F. The coldest month is January, when overnight lows fall to 22°F and the daily average is 30°F. On average, daily temperatures fluctuate by about 17°F between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 13°F shift in average temperatures.

Cheonan is a moderately rainy area, receiving approximately 1,143 mm of precipitation annually, which averages out to around 95 mm per month. The wettest month is July, averaging 259 mm of rainfall. August and September also tend to see above-average precipitation. The driest month is January, with just 21 mm. That's 238 mm less than July, 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 20cm annually. February is the snowiest month with approximately 6cm.Cheonan is a moderately rainy area, receiving approximately 45 in of precipitation annually, which averages out to around 3.7 in per month. The wettest month is July, averaging 10.2 in of rainfall. August and September also tend to see above-average precipitation. The driest month is January, with just 0.8 in. That's 9.4 in less than July, 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 8in annually. February is the snowiest month with approximately 3in.

Cheonan is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.Cheonan is mildly breezy, with an average annual wind speed of 6mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 6mph, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

The best time to visit Cheonan is during May, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 84 mm per month. By contrast, August can be uncomfortably hot with highs reaching 31°C, while January is the coldest period with lows dropping to -5°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.The best time to visit Cheonan is during May, when the weather is most comfortable for travellers. During these months, average temperatures hover around 65°F with modest rainfall averaging 3.3 in per month. By contrast, August can be uncomfortably hot with highs reaching 88°F, while January is the coldest period with lows dropping to 22°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Cheonan 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.The table below shows monthly climate averages for Cheonan based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.