Climate averages 1991–2020
Lào Cai weather
in April.
A hot, wet month: the 6th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Lào Cai: daytime highs average 29.3°C and nights cool to about 20.6°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 129 mm of rain on roughly 18 days, which makes April a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 39 min on an average April day.
The nearest other city in this atlas is Bắc Quang (92 km away). In April its highs average 28.3°C, 0.9°C cooler than Lào Cai, with 168 mm of rain.
Among the 136 cities listed in Vietnam, Lào Cai ranks joint 80th of 136 for the warmest April highs and 132nd of 136 for the driest April (rainfall, lowest first). The mean April high of those 136 cities is 30.6°C; Lào Cai is 1.4°C cooler than that mean.
From April to May, average highs rise by 1.8°C to 31.1°C, and monthly rainfall rises from 129 mm to 199 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages 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
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 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, selected | 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
April in nearby cities
- Bắc Quang in AprilVietnam · 92 kmHigh 28.3°C · Low 21.5°C · 168 mm rain
- Wenshan City in AprilChina · 102 kmHigh 26.3°C · Low 15.6°C · 54 mm rain
- Mengzi in AprilChina · 115 kmHigh 25.9°C · Low 16.2°C · 91 mm rain
- Thị Trấn Thuận Châu in AprilVietnam · 120 kmHigh 29.3°C · Low 19.7°C · 112 mm rain
- Gejiu in AprilChina · 128 kmHigh 23.9°C · Low 14.3°C · 52 mm rain
- Yên Bái in AprilVietnam · 129 kmHigh 27.9°C · Low 21.3°C · 126 mm rain
- Sơn La in AprilVietnam · 129 kmHigh 29.0°C · Low 19.5°C · 72 mm rain
- Tuyên Quang in AprilVietnam · 148 kmHigh 28.8°C · Low 21.8°C · 96 mm rain
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 limitsHow 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.