Climate Overview
The climate in Namyang is cool. The average annual temperature is 6°C and approximately 723mm of precipitation falls per year. August is the wettest month, receiving around 194mm of rainfall. Namyang is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -17°C. Snowfall occurs from January to December, with around 73cm accumulating over the season.
Temperature
Namyang has a wide annual temperature range, spanning 43°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 22°C. January brings the harshest conditions, with lows dropping to -17°C and an average temperature of -12°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 10°C shift in average temperatures.
Precipitation
Namyang is a relatively dry area, receiving approximately 723mm of precipitation annually, which averages out to around 60mm per month. The wettest month is August, averaging 194mm of rainfall. July and May also tend to see above-average precipitation. The driest month is January, with just 9mm. That's 184mm less than August, 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. Snowfall is a regular feature from January to December, with around 73cm accumulating over the season. March typically sees the most snow at around 18cm.
Wind
Namyang is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
3 days until Summer
It is currently spring in Namyang, which began on March 20, 2026. Namyang 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 26°C, while the coldest stretch bottoms out in January near -17°C. Summer is next, beginning on June 21, 2026 — 3 days from now.
Spring
Temperatures range from -5 to 20°C. Precipitation is moderate at around 157mm for the season, averaging 52mm per month. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 13 to 26°C. Rainfall is heavy, totalling around 388mm across the season with a monthly average of 129mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -7 to 21°C. Rainfall is relatively light, with around 143mm over the season and a monthly average of 48mm. Expect around 17cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -17 to -2°C. Precipitation is minimal, with only around 36mm for the entire season. Expect around 33cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Namyang is during June and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 81mm per month. By contrast, July can be uncomfortably hot with highs reaching 26°C, while January is the coldest period with lows dropping to -17°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 Namyang 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.