Climate Insights for Haeju

The climate in Haeju is temperate. The average annual temperature is 12°C and approximately 969 mm of precipitation falls per year. July is the wettest month, receiving around 203 mm of rainfall. Haeju 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, December, February, when temperatures can drop to -6°C. Light snow can occur between January and December.The climate in Haeju is temperate. The average annual temperature is 54°F and approximately 38.1 in of precipitation falls per year. July is the wettest month, receiving around 8 in of rainfall. Haeju 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, December, February, when temperatures can drop to 21°F. Light snow can occur between January and December.

Temperatures in Haeju vary considerably across the year, with a 35°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 26°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -2°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between November and December, with a 8°C shift in average temperatures.Temperatures in Haeju vary considerably across the year, with a 63°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 79°F. The coldest month is January, when overnight lows fall to 21°F and the daily average is 28°F. Daily temperature variation is modest, with an average difference of 12°F between highs and lows. The sharpest temperature change occurs between November and December, with a 14°F shift in average temperatures.

Haeju is a moderately rainy area, receiving approximately 969 mm of precipitation annually, which averages out to around 81 mm per month. The wettest month is July, averaging 203 mm of rainfall. August and September also tend to see above-average precipitation. The driest month is January, with just 16 mm. That's 187 mm 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 24cm annually. February is the snowiest month with approximately 7cm.Haeju is a moderately rainy area, receiving approximately 38.1 in of precipitation annually, which averages out to around 3.2 in per month. The wettest month is July, averaging 8 in of rainfall. August and September also tend to see above-average precipitation. The driest month is January, with just 0.6 in. That's 7.4 in 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 9in annually. February is the snowiest month with approximately 3in.

Haeju is relatively calm, with an average annual wind speed of 12km/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 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/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 13km/h in winter, 12km/h in spring, 10km/h in summer, 11km/h in autumn.Haeju is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph 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 8mph in winter, 7mph in spring, 6mph in summer, 7mph in autumn.

The best time to visit Haeju is during May, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 88 mm per month. By contrast, August can be uncomfortably hot with highs reaching 29°C, while January is the coldest period with lows dropping to -6°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.The best time to visit Haeju is during May, when the weather is most comfortable for travellers. During these months, average temperatures hover around 62°F with modest rainfall averaging 3.5 in per month. By contrast, August can be uncomfortably hot with highs reaching 84°F, while January is the coldest period with lows dropping to 21°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Haeju 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 Haeju 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.