Climate Insights for Koriyama

The climate in Koriyama is temperate. The average annual temperature is 12°C and approximately 1,238 mm of precipitation falls per year. Koriyama receives a notable amount of rainfall throughout the year, including during its driest month. Koriyama is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to -3°C. Snowfall occurs from January to December, with around 154cm accumulating over the season.The climate in Koriyama is temperate. The average annual temperature is 53°F and approximately 48.7 in of precipitation falls per year. Koriyama receives a notable amount of rainfall throughout the year, including during its driest month. Koriyama is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 26°F. Snowfall occurs from January to December, with around 61in accumulating over the season.

Temperatures in Koriyama vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 25°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 0°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.Temperatures in Koriyama vary considerably across the year, with a 58°F difference between the coldest and warmest months. The warmest month is August, when average highs reach 84°F and the mean temperature sits around 77°F. The coldest month is January, when overnight lows fall to 26°F and the daily average is 32°F. Daily temperature variation is modest, with an average difference of 14°F between highs and lows. The sharpest temperature change occurs between September and October, with a 12°F shift in average temperatures.

Koriyama is a fairly wet location, receiving approximately 1,238 mm of precipitation annually, which averages out to around 103 mm per month. The wettest month is July, averaging 152 mm of rainfall. August and September also tend to see above-average precipitation. The driest month is February, with just 61 mm. That's 91 mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 154cm accumulating over the season. January typically sees the most snow at around 49cm.Koriyama is a fairly wet location, receiving approximately 48.7 in of precipitation annually, which averages out to around 4.1 in per month. The wettest month is July, averaging 6 in of rainfall. August and September also tend to see above-average precipitation. The driest month is February, with just 2.4 in. That's 3.6 in less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 61in accumulating over the season. January typically sees the most snow at around 19in.

Koriyama 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 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/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 11km/h in winter, 10km/h in spring, 7km/h in summer, 8km/h in autumn.Koriyama is mildly breezy, with an average annual wind speed of 5mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 7mph, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 4mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph 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 7mph in winter, 6mph in spring, 4mph in summer, 5mph in autumn.

The table below shows monthly climate averages for Koriyama 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 Koriyama 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.