Climate Insights for Sinanju

The climate in Sinanju is temperate. The average annual temperature is 11°C and approximately 1140mm of precipitation falls per year. August is the wettest month, receiving around 288mm of rainfall. Sinanju 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 -10°C. Light snow can occur between January and December.

Sinanju has a wide annual temperature range, spanning 39°C from the coldest to 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 -10°C and the daily average is -5°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 9°C shift in average temperatures.

Sinanju is a moderately rainy area, receiving approximately 1140mm of precipitation annually, which averages out to around 95mm per month. The wettest month is August, averaging 288mm of rainfall. July and June also tend to see above-average precipitation. The driest month is January, with just 11mm. That's 276mm 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. Light snowfall can occur between January and December, totalling around 32cm annually. February is the snowiest month with approximately 11cm.

Sinanju 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 April, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently spring in Sinanju, which began on March 20, 2026. Sinanju 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 29°C, while the coldest stretch bottoms out in January near -10°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The table below shows monthly climate averages for Sinanju 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.