Cát Bà Climate by Month
Cát Bà, Hai Phong, Vietnam
Hot days and mild nights all year, with a rainy season from June to September.
The climate in Cát Bà is one of hot days and mild nights all year, with a rainy season from June to September. June is the warmest month, with highs around 89°F (32°C); January is the coolest at 66°F (19°C), and nights dip to 58°F (14°C). Of the 71 in (1793 mm) of rain in a typical year, 79% falls from June to September. The air is humid, averaging 85% relative humidity.
- Warmest month
- 89°F(32°C)
- Average high, June
- Coldest nights
- 58°F(14°C)
- Average low, January
- Rain per year
- 71 in(1793 mm)
- Wettest: July
- Humidity
- 85%
- Sunniest: June
Best and worst months in Cát Bà
Best for weatherThe most comfortable weather comes in November, with highs around 77°F (25°C) and about 1.2 in (31 mm) of rain a month.
Least pleasantJuly is the least pleasant month: it's the wettest, with 19 in (478 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 November.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Cát Bà weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 66°F(19°C) | 58°F(14°C) | 0.4 in(11 mm) | 80% | 2.9 |
| FebFebruary | 67°F(19°C) | 59°F(15°C) | 0.9 in(22 mm) | 86% | 3.5 |
| MarMarch | 71°F(22°C) | 63°F(17°C) | 1.2 in(31 mm) | 93% | 3.8 |
| AprApril | 78°F(26°C) | 70°F(21°C) | 1.9 in(49 mm) | 91% | 4.6 |
| MayMay | 86°F(30°C) | 75°F(24°C) | 6.2 in(158 mm) | 87% | 5.2 |
| JunJune | 89°F(32°C) | 79°F(26°C) | 7.0 in(178 mm) | 86% | 5.4 |
| JulJuly | 88°F(31°C) | 79°F(26°C) | 19 in(478 mm) | 87% | 5.3 |
| AugAugust | 87°F(31°C) | 78°F(25°C) | 16 in(418 mm) | 89% | 5.1 |
| SepSeptember | 87°F(30°C) | 76°F(25°C) | 14 in(344 mm) | 84% | 5.0 |
| OctOctober | 83°F(28°C) | 73°F(23°C) | 2.0 in(52 mm) | 80% | 4.8 |
| NovNovemberBest | 77°F(25°C) | 67°F(19°C) | 1.2 in(31 mm) | 79% | 3.8 |
| DecDecember | 69°F(21°C) | 60°F(15°C) | 0.8 in(21 mm) | 77% | 3.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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