Lao Cai Weather & Climate: Best Time to Visit

In Lao Cai, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a very warm 31°C (88°F) in June, the warmest time of the year, to a pleasant 19°C (66°F) during cooler months like January.

At night, you can expect temperatures ranging from 24°C (75°F) in June to around 11°C (52°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Lao Cai experiences significant rainfall throughout the year, averaging 2069 mm (81 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, August it receives heavy rainfall, averaging 286 mm (11 in) of precipitation, recorded across 22 rainy days. In contrast, the driest month November brings less rainfall, with 93 mm (3.7 in) over 8 rainy days. For more details, please visit our Lao Cai Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Lao Cai. While April receives considerable daily sunshine with up to 5.7 hours, June marks the darkest time of the year, where sunshine is scarce with only 3.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The city experiences its highest humidity in October, reaching 93%. In April, the humidity drops to its lowest level at 82%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year