Climate Insights for Koson

The climate in Koson is temperate. The average annual temperature is 18°C and approximately 217mm of precipitation falls per year. March is the wettest month, receiving around 45mm of rainfall. Koson 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, December, February, when temperatures can drop to -1°C. Light snow can occur between January and December.

Koson has a wide annual temperature range, spanning 40°C from the coldest to warmest months. July is the hottest month, with daytime highs reaching 39°C and an average of 32°C. The coldest month is January, when overnight lows fall to -1°C and the daily average is 4°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°C shift in average temperatures.

Koson is a quite dry location, receiving approximately 217mm of precipitation annually, which averages out to around 18mm per month. The wettest month is March, averaging 45mm of rainfall. February and January also tend to see above-average precipitation. The driest month is August, with just 0mm. That's 44mm less than March, 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 13cm annually. February is the snowiest month with approximately 4cm.

Koson is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 9km/h in winter, 10km/h in spring, 13km/h in summer, 8km/h in autumn.

It is currently summer in Koson, which began on June 21, 2026. Koson 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 39°C, while the coldest stretch bottoms out in January near -1°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Koson is during April, May, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 15mm per month. By contrast, July can be uncomfortably hot with highs reaching 39°C, while January is the coldest period with lows dropping to -1°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Koson 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.