Climate Overview
The climate in Lao Chải is warm and mild. The average annual temperature is 21°C and approximately 2260mm of precipitation falls per year. Lao Chải receives a notable amount of rainfall throughout the year, including during its driest month. Lao Chải is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, August. The coldest months are January, December, February, when temperatures can drop to 11°C.
Temperature
Lao Chải sees moderate temperature variation throughout the year, ranging from 11°C to 29°C. The warmest month is June, when average highs reach 29°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 11°C and an average of 14°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 4°C shift in average temperatures.
Precipitation
Lao Chải is a very wet location, receiving approximately 2260mm of precipitation annually, which averages out to around 188mm per month. The wettest month is August, averaging 355mm of rainfall. July and June also tend to see above-average precipitation. The driest month is December, with just 89mm. That's 266mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Lao Chải 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 April, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 6km/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.
Seasons
89 days until Summer
It is currently spring in Lao Chải, which began on March 20, 2026. Lao Chải 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 June at around 29°C, while the coldest stretch bottoms out in January near 11°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 15 to 29°C. Rainfall is heavy, totalling around 566mm across the season with a monthly average of 189mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 29°C. Rainfall is heavy, totalling around 853mm across the season with a monthly average of 284mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 15 to 28°C. Rainfall is heavy, totalling around 507mm across the season with a monthly average of 169mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 11 to 19°C. Rainfall is heavy, totalling around 334mm across the season with a monthly average of 111mm. Winds are generally light, averaging 6km/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 Lao Chải is during November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 94mm per month. By contrast, June can be uncomfortably hot with highs reaching 29°C, while January is the coldest period with lows dropping to 11°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 Lao Chải 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.
