Lào Cai Climate by Month
Lào Cai, Lao Cai, Vietnam
Hot days and mild nights all year, with a rainy season from May to September.
The climate in Lào Cai is one of hot days and mild nights all year, with a rainy season from May to September. Afternoon highs range from 68°F (20°C) in January to 91°F (33°C) in June, and January nights average 56°F (13°C). It gets 59 in (1511 mm) of rain a year, 75% of it from May to September. The air is humid, averaging 79% relative humidity.
- Warmest month
- 91°F(33°C)
- Average high, June
- Coldest nights
- 56°F(13°C)
- Average low, January
- Rain per year
- 59 in(1511 mm)
- Wettest: July
- Humidity
- 79%
- Sunniest: May
Best and worst months in Lào Cai
Best for weatherMarch, November and December are the best time for weather in Lào Cai: highs near 75°F (24°C) and about 1.5 in (38 mm) of rain a month.
Least pleasantJuly is the least pleasant month: it's the wettest, with 12 in (302 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in March.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Lào Cai weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 68°F(20°C) | 56°F(13°C) | 0.7 in(19 mm) | 79% | 2.9 |
| FebFebruary | 71°F(22°C) | 58°F(15°C) | 1.6 in(41 mm) | 82% | 3.5 |
| MarMarchBest | 77°F(25°C) | 64°F(18°C) | 1.7 in(44 mm) | 78% | 4.2 |
| AprApril | 83°F(29°C) | 70°F(21°C) | 4.6 in(117 mm) | 77% | 4.8 |
| MayMay | 89°F(32°C) | 73°F(23°C) | 7.4 in(187 mm) | 75% | 5.2 |
| JunJune | 91°F(33°C) | 77°F(25°C) | 9.3 in(236 mm) | 79% | 5.0 |
| JulJuly | 91°F(33°C) | 77°F(25°C) | 12 in(302 mm) | 79% | 4.8 |
| AugAugust | 90°F(32°C) | 76°F(24°C) | 8.9 in(226 mm) | 81% | 5.0 |
| SepSeptember | 88°F(31°C) | 73°F(23°C) | 7.0 in(178 mm) | 81% | 4.9 |
| OctOctober | 83°F(28°C) | 69°F(21°C) | 3.5 in(90 mm) | 81% | 4.0 |
| NovNovemberBest | 78°F(26°C) | 62°F(17°C) | 1.8 in(46 mm) | 80% | 3.6 |
| DecDecemberBest | 70°F(21°C) | 57°F(14°C) | 1.0 in(25 mm) | 79% | 2.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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