Cat Ba island in december: average Weather, Temperature and Climate
Weather in Cat Ba island in december 2026
The weather in Cat Ba island in the month of december comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
good weather
Weather at 6am
65°F
Cloudy
32% of time
26%
17%
17%
Weather at 12pm
68°F
Clear/Sunny
29% of time
25%
20%
19%
Weather at 6pm
67°F
Clear/Sunny
36% of time
24%
24%
10%
Weather at 3am
65°F
30%
27%
18%
15%
Evolution of daily average temperature and precipitation in Cat Ba island in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cat Ba island in december.
The climate of Cat Ba island in december is good
the weather in Cat Ba island in december is rather dry (with 2in of precipitation over 3 days). The weather is better from the previous month since in november it receives an average of 2.9in of rainfall over 4 days.
The climate comfortable around this city the month of december. The thermometer averaged maximum of 70°F. In the morning the temperature drops to 65°F. Thus, the mean temperature average in december in Cat Ba island is 67°F. Note that these seasonal averages are in contrast with those observed in Cat Ba island in the month of december with a maximum record of 81°F in 2018 and a minimum record of 49°F in 2010. You can plan to have about 27 days with temperatures up to 65°F, or 87% of the month.
Day length in Cat Ba island in december is 10:54. Sunrise is at 06:20 and sunset is at 17:14.
With good weather conditions, this month is a good time to go in this city in Vietnam.
Seasonal average climate and temperature of Cat Ba island in december
Check below seasonal norms These statistics are compiled from the weather statements of the last years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 67°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 65°F | ||||
| Highest record temperature | 81°F (2018) | ||||
| Lowest record temperature | 49°F (2010) | ||||
| Number of days at +65°F | 27 day(s) (87%) | ||||
| Sea temperature | |||||
| Average sea temperature | 71°F | ||||
| Lowest sea temperature | 66°F | ||||
| Highest sea temperature | 76°F | ||||
| Wind | |||||
| Wind speed | 18km/h | ||||
| Wind temperature | 65°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2in | ||||
| Number of days with rainfall | 3 day(s) (10%) | ||||
| Record daily rainfall | 1.6in (2018) | ||||
| Other climate data | |||||
| Humidity | 77% | ||||
| Visibility | 9.19km | ||||
| Cloud cover | 53% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 7 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:20 | ||||
| Time of sunset | 17:14 | ||||
| Length of day | 10:54 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last december?
Here is the day by day recorded weather in Cat Ba island in december 2025:
68°F to 72°F
70°F to 76°F
70°F to 74°F
68°F to 70°F
63°F to 65°F
67°F to 70°F
68°F to 72°F
67°F to 76°F
67°F to 74°F
68°F to 72°F
67°F to 68°F
70°F to 72°F
67°F to 72°F
61°F to 63°F
63°F to 67°F
67°F to 68°F
67°F to 72°F
68°F to 72°F
67°F to 72°F
68°F to 74°F
68°F to 77°F
68°F to 74°F
70°F to 76°F
68°F to 74°F
61°F to 68°F
59°F to 65°F
59°F to 67°F
65°F to 68°F
65°F to 70°F
67°F to 70°F
68°F to 70°F
Map: other cities in Vietnam in december
Cities near Cat Ba island:
| Halong Bay in december | good weather |
| Do Son Beach (Vạn Hương) in december | good weather |
| Hải Phòng in december | good weather |
| Lạng Sơn in december | good weather |
| Thanh Pho Ninh Binh in december | good weather |
| Hanoi in december | good weather |
| Thanh Pho Thai Nguyen in december | good weather |
| Thanh Hóa in december | tolerable weather |
| Thanh Pho Hoa Binh in december | good weather |
| Viet Tri in december | good weather |
| Tinh Gia in december | tolerable weather |
| Mai Chau in december | good weather |
Click over cities on the map for information about the weather in december.
Cat Ba island
perfect weather
good
tolerable
bad
very bad
Weather data for Cat Ba island in december:
Weather data for Cat Ba island for december are derived from an average of the weather forecast since 2009 in Cat Ba island. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cat Ba island can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Cat Ba island.