When is the best time to go to Hạ Long
The chart above shows the best time of year to visit Hạ Long, Vietnam. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Hạ Long
Hạ Long weather by month
Please note our recommendations for when to visit Hạ Long are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 18°C | 27mm | 3.2hrs | 11.8hrs | 21°C |
January in Hạ Long is generally dry with the temperature being mild.
It is perhaps a good month to visit Hạ Long, with some surprisingly good weather at this time of year.
January is in the winter in Hạ Long and is typically the coldest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 13°C (55°F) is normal.
On average January is the driest month of the year in Hạ Long with around 27mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.2 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 18°C | 31mm | 2.5hrs | 12.2hrs | 21°C |
February in Hạ Long is generally reasonably dry with the temperature being mild.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Hạ Long.
February is in the winter in Hạ Long and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 14°C (57°F) is normal.
On average February is the 2nd driest month of the year in Hạ Long with around 31mm 1.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.5 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 21°C | 43mm | 2.7hrs | 12.7hrs | 22°C |
The weather in March in Hạ Long is characteristically warm, humid and reasonably dry.
It is perhaps a good month to visit Hạ Long, with some particularly good weather at this time of year.
March is in the spring in Hạ Long and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 17°C (63°F) is normal.
On average March is the 3rd driest month of the year in Hạ Long with around 43mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.7 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 25°C | 91mm | 4.2hrs | 13.4hrs | 24°C |
Hạ Long's weather in April is typically hot, humid and a little damp in nature.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it a good time to visit Hạ Long.
April is in the spring in Hạ Long and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 21°C (70°F) is normal.
On average April is the 4th driest month of the year in Hạ Long with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.2 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 168mm | 6.5hrs | 13.9hrs | 27°C |
May is a wet, humid month in Hạ Long and the temperature is generally hot.
Based on weather alone, this is probably a time of year to avoid going to Hạ Long for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
May is in the spring in Hạ Long and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 24°C (75°F) is normal.
On average May is the 5th driest month of the year in Hạ Long with around 168mm 6.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 244mm | 6.2hrs | 11.8hrs | 29°C |
Hạ Long's weather in June is typically very hot, humid and very wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Hạ Long for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
June is in the summer in Hạ Long and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 25°C (78°F) is normal.
On average June is the 6th driest month of the year in Hạ Long with around 244mm 9.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 267mm | 7.1hrs | 12.2hrs | 30°C |
July in Hạ Long is generally very wet with the temperature being very hot.
Based on weather alone, this is probably a time of year to avoid going to Hạ Long for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
July is in the summer in Hạ Long and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 26°C (78°F) is normal.
On average July is the 6th wettest month of the year in Hạ Long with around 267mm 10.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 29°C | 312mm | 6.3hrs | 12.7hrs | 30°C |
The weather in August in Hạ Long is characteristically very hot, humid and very wet.
Based on weather alone, this is probably a time of year to avoid going to Hạ Long for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
August is in the summer in Hạ Long and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 25°C (78°F) is normal.
On average August is the 5th wettest month of the year in Hạ Long with around 312mm 12.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 206mm | 6.6hrs | 13.4hrs | 29°C |
Hạ Long's weather in September is typically hot, humid and very wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Hạ Long for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
September is in the fall / autumn in Hạ Long and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 24°C (75°F) is normal.
On average September is the 4th wettest month of the year in Hạ Long with around 206mm 8.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
Hạ Long weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 26°C | 119mm | 6hrs | 13.9hrs | 28°C |
October is a damp, humid month in Hạ Long and the temperature is generally hot.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Hạ Long.
October is in the fall / autumn in Hạ Long and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (83°F), whilst at night 21°C (70°F) is normal.
On average October is the 3rd wettest month of the year in Hạ Long with around 119mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 23°C | 55mm | 5.4hrs | 11.8hrs | 25°C |
Hạ Long's weather in November is typically warm, humid and reasonably dry in nature.
It is perhaps a good month to visit Hạ Long, with some extremely good weather at this time of year.
November is in the fall / autumn in Hạ Long and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 18°C (64°F) is normal.
On average November is the 2nd wettest month of the year in Hạ Long with around 55mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 20°C | 24mm | 4.8hrs | 12.2hrs | 23°C |
December in Hạ Long is generally dry with the temperature being mild.
It is perhaps the perfect month to visit Hạ Long, with some extremely good weather at this time of year.
December is in the winter in Hạ Long and is typically the warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 14°C (57°F) is normal.
On average December is the wettest month of the year in Hạ Long with around 24mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.8 hours of sunshine per day.
Other monthly averages
Hạ Long weather stats
| Hottest month: | July | 32.4°C 90.3°F |
|---|---|---|
| Driest month: | December | 24mm 0.9ins |
| Sunniest month: | July | 7.1hrs |
| Coldest month: | January | 19.3°C 66.7°F |
| Wettest month: | August | 312mm 12.3ins |
| Warmest sea: | August | 30°C 86°F |
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