Climate Overview
The climate in Lalian is temperate. The average annual temperature is 16°C and approximately 228mm of precipitation falls per year. June is the wettest month, receiving around 33mm of rainfall. Lalian is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, June, July. The coldest months are May, February, March, when temperatures can drop to 11°C.
Temperature
Lalian sees moderate temperature variation throughout the year, ranging from 11°C to 24°C. May is the warmest month, though highs remain moderate at 24°C with a mean of 17°C. May is the coolest month, with minimum temperatures around 11°C and an average of 17°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Lalian is a quite dry location, receiving approximately 228mm of precipitation annually, which averages out to around 19mm per month. The wettest month is January, averaging 33mm of rainfall. March and April also tend to see above-average precipitation. The driest month is May, with just 0mm. That's 33mm less than January, 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.
Wind
Lalian is relatively calm, with an average annual wind speed of 6km/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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 7km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 7km/h in winter, 5km/h in spring, 5km/h in summer, 6km/h in autumn.
Seasons
17 days until Autumn
It is currently summer in Lalian, which began on June 21, 2026. Lalian 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 May at around 24°C, while the coldest stretch bottoms out in May near 11°C. Autumn is next, beginning on September 23, 2026 — 17 days from now.
Spring
Temperatures range from 11 to 24°C. Rainfall is relatively light, with around 66mm over the season and a monthly average of 22mm. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 15 to 21°C. Rainfall is relatively light, with around 71mm over the season and a monthly average of 24mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 15 to 18°C. Precipitation is minimal, with only around 27mm for the entire season. Winds are generally light, averaging 6km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 13 to 16°C. Rainfall is relatively light, with around 64mm over the season and a monthly average of 21mm. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Lalian is during April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 16mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Lalian 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. 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.