Climate Overview
The climate in Ryonggang-ŭp is temperate. The average annual temperature is 12°C and approximately 1039mm of precipitation falls per year. July is the wettest month, receiving around 216mm of rainfall. Ryonggang-ŭp 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 -5°C. Light snow can occur between January and December.
Temperature
Temperatures in Ryonggang-ŭp 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 27°C and the mean temperature sits around 25°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 8°C shift in average temperatures.
Precipitation
Ryonggang-ŭp is a moderately rainy area, receiving approximately 1039mm of precipitation annually, which averages out to around 87mm per month. The wettest month is July, averaging 216mm of rainfall. August and June also tend to see above-average precipitation. The driest month is January, with just 15mm. That's 201mm 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 22cm annually. December is the snowiest month with approximately 7cm.
Wind
Ryonggang-ŭp 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 December, averaging 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h 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 25km/h in winter, 24km/h in spring, 19km/h in summer, 23km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Ryonggang-ŭp, which began on March 20, 2026. Ryonggang-ŭp 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 August at around 27°C, while the coldest stretch bottoms out in January near -5°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 2 to 18°C. Precipitation is moderate at around 192mm for the season, averaging 64mm per month. Winds are moderate at around 24km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 18 to 27°C. Rainfall is heavy, totalling around 555mm across the season with a monthly average of 185mm. Winds are moderate at around 19km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 4 to 24°C. Precipitation is moderate at around 225mm for the season, averaging 75mm per month. Winds are moderate at around 23km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -5 to 2°C. Rainfall is relatively light, with around 67mm over the season and a monthly average of 22mm. Expect around 18cm of snow accumulation during this period. Winds are strong, averaging 25km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Ryonggang-ŭp is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 98mm per month. By contrast, August can be uncomfortably hot with highs reaching 27°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.
Monthly Climate Data
The table below shows monthly climate averages for Ryonggang-ŭp 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.