Cát Bà National Park
- Annual mean
- 23.7 °C
- Warmest month
- July
- Wettest month
- August
Review long-term monthly normals for temperature, rainfall, and daylight duration
Analyze the long-term climate profile of Bái Tử Long National Park, featuring representative averages for temperature, precipitation, humidity, wind, and daylight hours from 1991 to 2020. These measurements characterize the atmospheric pattern at a single sampled coordinate. Utilize these datasets to compare month-by-month changes in local climatology rather than current daily weather forecasts.

Tracking monthly average temperature ranges alongside daily precipitation rates through the calendar year
Evaluate monthly average temperatures, daily precipitation rates, humidity, and calculated daylight.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 16.6 °C9.5° to 22.5° | 1.3 mm/day | 80.6% | 5.4 m/s | 10.9 hours |
| February | 17.7 °C11° to 23.7° | 1 mm/day | 83.8% | 4.8 m/s | 11.3 hours |
| March | 20.1 °C13.2° to 26° | 1.7 mm/day | 86.2% | 4.3 m/s | 11.9 hours |
| April | 23.5 °C17.4° to 29° | 2.1 mm/day | 86.8% | 3.9 m/s | 12.5 hours |
| May | 26.7 °C22.1° to 31.2° | 5.1 mm/day | 86% | 4 m/s | 13 hours |
| June | 28.6 °C25.7° to 31.6° | 8.7 mm/day | 87% | 4.6 m/s | 13.3 hours |
| July | 28.7 °C26.9° to 32° | 10.8 mm/day | 86.1% | 4.6 m/s | 13.1 hours |
| August | 28.7 °C26.4° to 32.3° | 10.9 mm/day | 84.4% | 3.9 m/s | 12.7 hours |
| September | 28 °C23.9° to 31.8° | 7.6 mm/day | 80.8% | 4.3 m/s | 12.1 hours |
| October | 25.6 °C20.1° to 29.8° | 3.2 mm/day | 78% | 5.4 m/s | 11.5 hours |
| November | 22.2 °C15.4° to 27.2° | 1.8 mm/day | 77.7% | 5.5 m/s | 11 hours |
| December | 18.2 °C10.9° to 24.2° | 1 mm/day | 76.4% | 5.9 m/s | 10.7 hours |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
Long-term monthly averages mapping the warmest, coolest, wettest, and driest periods
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Analyze long term temperature, rainfall, and daylight cycles across different regional systems


Investigate the specific mapped boundaries, surrounding geography, and landscape context of Bái Tử Long National Park. Understanding this protected area through its geographic setting and atlas-derived details offers a clearer picture of its conservation value and ecological significance within Vietnam's coastal regions. Deepen your exploration of this unique island and marine protected landscape.