Hạ Long Water Temperature

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Hạ Long is a city close to Gulf of Tonkin. August is the month with the highest water temperature at 86.4°F / 30.2°C.
The coldest month is February with an average water temperature of 65.3°F / 18.5°C.
January is the driest at 0in / 0mm and August the wettest month with 18.2in / 461.3mm.
With an average air temperature of 82.8°F / 28.2°C, June is the warmest month in a year. January is the coldest with 60.8°F / 16°C average air temperature.
The Climate is described as mild temperate climate with hot summer. Best time to Visit would be in April, May, October.

Hạ Long Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 30.2°C / 86.4°F
Coldest Month Water Temperature: February with 18.5°C / 65.3°F
Warmest Month Air Temperature: June with 28.2°C / 82.8°F
Coldest Month Air Temperature: January with 16°C / 60.8°F
Wettest Month: August with 461.3mm / 18.2in
Driest Month: January with 0mm / 0in
Highest Humidity August with 86.5%
Lowest Humidity December with 70.6%
Best Time to Visit: April, May, October
Climate Classification mild temperate climate with hot summer

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Hạ Long water temperature by month

Gulf of Tonkin water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

19.9 18.9 18

February

19.2 18.6 18.1

March

21.1 19.9 19.1

April

24.7 22.9 21.1

May

28.5 26.7 24.7

June

30.2 29.4 28.4

July

30.4 30 29.7

August

30.3 30.1 29.8

September

30.2 29.7 29.1

October

29 27.9 26.6

November

26.6 25.2 23.6

December

23.6 21.7 20.1

Gulf of Tonkin water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

67.8 66 64.4

February

66.6 65.5 64.6

March

70 67.8 66.4

April

76.5 73.2 70

May

83.3 80.1 76.5

June

86.4 84.9 83.1

July

86.7 86 85.5

August

86.5 86.2 85.6

September

86.4 85.5 84.4

October

84.2 82.2 79.9

November

79.9 77.4 74.5

December

74.5 71.1 68.2
August is the month with the highest water temperature at 86.4°F / 30.2°C. The month with the lowest is February with an average water temperature of 65.3°F / 18.5°C.

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Hạ Long weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Dec. 21
Few clouds
68 °F
54°F
20 °C
12°C
2mph (3km/h)
northeast
0in (0mm)
0 %
53%
Dec. 22
Few clouds
66 °F
62°F
19 °C
17°C
2mph (3km/h)
northeast
0in (0mm)
0 %
54%
Dec. 23
Few clouds
68 °F
62°F
20 °C
17°C
1mph (2km/h)
northeast
0in (0mm)
0 %
56%
Dec. 24
Broken clouds
67 °F
64°F
20 °C
18°C
1mph (2km/h)
northeast
0in (0mm)
0 %
56%
Dec. 25
Scattered clouds
70 °F
65°F
21 °C
19°C
1mph (2km/h)
northeast
0in (0mm)
0 %
60%
Dec. 26
Overcast clouds
71 °F
66°F
22 °C
19°C
1mph (2km/h)
east
0in (0mm)
0 %
67%
Dec. 27
Overcast clouds
77 °F
64°F
25 °C
18°C
1mph (1km/h)
south
0in (0mm)
0 %
55%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Dec. 28
Overcast clouds
80 °F
67°F
27 °C
19°C
1mph (2km/h)
east-northeast
0in (0mm)
0 %
53%
Dec. 29
Broken clouds
76 °F
62°F
25 °C
17°C
1mph (2km/h)
east
0in (0mm)
0 %
53%
Dec. 30
Overcast clouds
70 °F
61°F
21 °C
16°C
1mph (1km/h)
east-northeast
0in (0mm)
20 %
65%
Dec. 31
Overcast clouds
67 °F
61°F
20 °C
16°C
0mph (1km/h)
east-southeast
0in (1mm)
40 %
79%
Jan. 01
Broken clouds
66 °F
60°F
19 °C
15°C
1mph (1km/h)
northeast
0in (0mm)
0 %
60%
Jan. 02
Clear Sky
65 °F
57°F
19 °C
14°C
1mph (2km/h)
east-northeast
0in (0mm)
0 %
72%
Jan. 03
Broken clouds
70 °F
56°F
21 °C
14°C
1mph (2km/h)
east
0in (0mm)
0 %
81%
Jan. 04
Overcast clouds
67 °F
60°F
20 °C
16°C
2mph (3km/h)
east
0in (0mm)
20 %
82%
Jan. 05
Overcast clouds
70 °F
61°F
21 °C
16°C
2mph (3km/h)
east
0in (0mm)
20 %
79%

Hạ Long weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

19.4 16 12.7 0 1 76.1%

February

21.7 17.6 13.5 21.7 1 80.3%

March

24.5 20 16.2 39.2 5 82.3%

April

28.2 23.7 20.2 78 6 83.6%

May

29.6 26.5 23.4 121.4 22 84.2%

June

31.4 28.2 25.7 249.3 24 84.6%

July

31.2 28.2 25.7 350.4 26 85.1%

August

30.6 27.6 25.2 461.3 28 86.5%

September

30.1 26.8 23.9 168.2 18 82.1%

October

29 25 21.2 24.5 0 76.2%

November

26.4 21.6 17.1 0 1 73.5%

December

22.5 17.7 13.6 0 0 70.6%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

66.9 60.8 54.9 0 1 76.1%

February

71.1 63.7 56.3 0.9 1 80.3%

March

76.1 68 61.2 1.5 5 82.3%

April

82.8 74.7 68.4 3.1 6 83.6%

May

85.3 79.7 74.1 4.8 22 84.2%

June

88.5 82.8 78.3 9.8 24 84.6%

July

88.2 82.8 78.3 13.8 26 85.1%

August

87.1 81.7 77.4 18.2 28 86.5%

September

86.2 80.2 75 6.6 18 82.1%

October

84.2 77 70.2 1 0 76.2%

November

79.5 70.9 62.8 0 1 73.5%

December

72.5 63.9 56.5 0 0 70.6%
January is the month with the lowest rain of 0in / 0mm and August with the highest precipitation in a year with 18.2in / 461.3mm. The avg. temperature is around 82.8°F / 28.2°C, June is the month with the highest temperature. January is the coolest with 60.8°F / 16°C average temperature.

Activities & POI in Hạ Long

Type of Activity List
Attraction Tháp Đồng Hồ
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