Lao Cai Temperature by Month
Lao Cai in Lao Cai, Vietnam sees significant seasonal temperature differences, with daytime highs between 19°C (66°F) in January and 31°C (88°F) in June, averaging 26°C (79°F) annually. Explore the full monthly breakdown below.
Lao Cai Monthly Temperatures
In Lao Cai, temperatures can shift dramatically between very warm in summer and pleasant in winter. Nights follow the same pattern, with lows ranging from 24°C (75°F) in June to 11°C (52°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Lao Cai by month:
From around 4 AM to 6 AM temperatures are at their lowest; by 3 PM they've climbed to their daily peak. June, the warmest month, averages 95 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Lao Cai vs Vietnam
The map below shows the annual temperature across Vietnam. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
cold
very cold
Lao Cai vs World: Temperature Compared
Lao Cai's average annual maximum temperature is 26°C (79°F). To put that in context, here's how it compares to a few well-known destinations:
Athens, Greece sits at 23°C (73°F) on average, with hot dry summers and mild winters characteristic of the Mediterranean.
On the cooler end, Oslo, Norway averages just 10°C (50°F) annually, with pleasant summers but long, cold winters.
Chicago, USA averages 15°C (59°F) annually — known for extreme seasonal swings, from bitterly cold winters to warm summers.
Tokyo, Japan averages 21°C (70°F) a year, with hot summers, cool winters, and a well-defined cherry blossom spring.
What Does the Temperature Feel Like in Lao Cai?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In Lao Cai, January is the coolest month, with average highs of 19°C (66°F) and humidity around 86% — considered very high. In June, the warmest month, temperatures average 31°C (88°F) with 88% humidity — conditions that feel very high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Whether a city sits on the coast or deep inland makes a significant difference to its climate. Coastal areas tend to have more stable temperatures year-round — large bodies of water absorb heat slowly in summer and release it gradually in winter, keeping extremes in check. Cities far from the sea don't benefit from that buffer, which is why continental climates tend to have hotter summers and colder winters than their coastal counterparts at the same latitude.
For more on Lao Cai's weather — including monthly rainfall, sunshine hours, and humidity — visit our Lao Cai climate page.
