Climate averages 1991–2020

Lào Cai weather
in January.

A mild, wet month: the coolest and the 4th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 18.9°C Daytime mean, January

Average low 12.1°C Night-time mean, January

Rainfall 96 mm 18 days with ≥1 mm

Daylight 11 h Sunrise to sunset, per day

January is a mild month in Lào Cai: daytime highs average 18.9°C and nights cool to about 12.1°C. By daytime temperature it is the coolest month of the year.

Expect about 96 mm of rain on roughly 18 days, which makes January a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 55 min on an average January day.

The nearest other city in this atlas is Bắc Quang (92 km away). In January its highs average 18.7°C, about as warm as Lào Cai, with 87 mm of rain.

Among the 136 cities listed in Vietnam, Lào Cai ranks joint 125th of 136 for the warmest January highs and 119th of 136 for the driest January (rainfall, lowest first). The mean January high of those 136 cities is 24.8°C; Lào Cai is 5.9°C cooler than that mean.

From January to February, average highs rise by 2.5°C to 21.4°C, and monthly rainfall falls from 96 mm to 88 mm.

The annual picture

January in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Lào Cai climate table

1991–2020

Monthly climate averages for Lào Cai, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	18.9°C12.1°C	12.1°C	96	18.1	10.911 h
February	21.4°C13.3°C	13.3°C	88	17.1	11.411 h
March	25.5°C16.7°C	16.7°C	126	19.0	12.012 h
April	29.3°C20.6°C	20.6°C	129	17.6	12.713 h
May	31.1°C23.5°C	23.5°C	199	19.7	13.213 h
June	31.8°C25.1°C	25.1°C	242	22.0	13.513 h
July	31.3°C24.8°C	24.8°C	261	23.2	13.413 h
August	31.2°C24.5°C	24.5°C	268	22.4	12.913 h
September	29.8°C23.5°C	23.5°C	165	18.1	12.312 h
October	26.9°C21.2°C	21.2°C	118	16.6	11.612 h
November	23.9°C17.2°C	17.2°C	88	13.8	11.111 h
December	20.0°C13.2°C	13.2°C	92	14.1	10.811 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

January in nearby cities

Distance from Lào Cai

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Lào Cai) is explained once on the Lào Cai year overview and on the Sources, method and limits page.