Climate Insights for Longnan

The climate in Longnan is cool. The average annual temperature is 10°C and approximately 1012mm of precipitation falls per year. July is the wettest month, receiving around 179mm of rainfall. Longnan 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 -7°C. Snowfall occurs from January to December, with around 54cm accumulating over the season.

Temperatures in Longnan vary considerably across the year, with a 31°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 24°C with a mean of 20°C. The coldest month is January, when overnight lows fall to -7°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between February and March, with a 6°C shift in average temperatures.

Longnan is a moderately rainy area, receiving approximately 1012mm of precipitation annually, which averages out to around 84mm per month. The wettest month is July, averaging 179mm of rainfall. August and September also tend to see above-average precipitation. The driest month is December, with just 13mm. That's 166mm 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. Snowfall is a regular feature from January to December, with around 54cm accumulating over the season. February typically sees the most snow at around 13cm.

Longnan is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently spring in Longnan, which began on March 20, 2026. Longnan 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 24°C, while the coldest stretch bottoms out in January near -7°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The table below shows monthly climate averages for Longnan 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.