AI-generatedHoi An at a glance
- Best time
- Feb – Apr
- Warmest month
- Jun · 34°
- Warmest sea
- Aug · 29.8°
- Sunshine a year
- 2,030 h
- Rain a year
- 2,530 mm
- Climate
- Tropical
- Time zone
- UTC+7
- Elevation
- 13 m
Climate in Hoi An
Hoi An has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. June is the warmest month with average highs of 34 °C, while January is the coolest at 24 °C. With around 2,030 hours of sunshine a year, Hoi An is moderately sunny; May is the sunniest month with 7.8 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Fair
Best time to visit: February – April
October is the peak of the typhoon season
Keep in mindFrequent rainStorm season
A typical day in October
- Morning, 08:00: about 26°
- Midday, 13:00: about 28°
- Afternoon, 16:00: about 27°
- Evening, 20:00: about 26°
- Night, 23:00: about 25°
05:3817:26
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
What is the weather like in Hoi An in October?
In October, Hoi An is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 28.1 °C – lovely and warm for swimming. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 25 days, totalling 446 mm. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Hoi An.
More details for October
- Daylight
- 11 h 48 min05:38 – 17:26
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 16 km/haverage daily peak
- Cloud cover
- 74 %on average
- Hot days
- 2 days30 °C or more
- Time zone
- UTC+7Asia/Ho_Chi_Minh
How the score comes together
- Temperatureweight 50 %90 %
- Sunshineweight 20 %23 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Sea temperature in Hoi An
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 27.4 – 28.7 °C
Swimming season: All year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Hoi An ranges from 23.1 °C in February to 29.8 °C in August. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea warms up slowly: it is warmest in August, while the air already peaks in June. From October to December the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 29.4 and 30.3 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 23.6° | 22.8° | 24.7° | pleasant |
| FebruaryFeb | 23.1° | 22.2° | 23.9° | pleasant |
| MarchMar | 23.8° | 22.7° | 24.7° | pleasant |
| AprilApr | 25.3° | 24.5° | 26.2° | pleasant |
| MayMay | 27.7° | 27.3° | 28.5° | warm |
| JuneJun | 29.3° | 28.2° | 30.0° | very warm |
| JulyJul | 29.5° | 29.0° | 30.1° | very warm |
| AugustAug | 29.8° | 29.4° | 30.3° | very warm |
| SeptemberSep | 29.4° | 28.7° | 30.2° | very warm |
| OctoberOct | 28.1° | 27.4° | 28.7° | warm |
| NovemberNov | 26.8° | 26.1° | 27.5° | warm |
| DecemberDec | 25.1° | 24.4° | 26.0° | pleasant |
Sunshine hours in Hoi An
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.4 of 11.8 hours of daylight in Hoi An, 37 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Hoi An
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 10 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in August (UV 13).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 15 min
- Light brown skin
- about 25 min
- Olive skin
- about 30 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Hoi An: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Hoi An has about 25 rainy days with 446 mm of rain in total.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 52 | 24° | 20° | 23.6° | 3.5 h | 18 | 178 |
| FebruaryFeb | 68 | 25° | 21° | 23.1° | 4.7 h | 12 | 93 |
| MarchMar | 75 | 27° | 22° | 23.8° | 6.0 h | 10 | 86 |
| AprilApr | 63 | 30° | 24° | 25.3° | 7.1 h | 9 | 81 |
| MayMay | 37 | 32° | 26° | 27.7° | 7.8 h | 16 | 119 |
| JuneJun | 33 | 34° | 27° | 29.3° | 7.8 h | 14 | 88 |
| JulyJul | 27 | 33° | 27° | 29.5° | 6.9 h | 17 | 121 |
| AugustAug | 27 | 33° | 27° | 29.8° | 6.5 h | 19 | 147 |
| SeptemberSep | 37 | 30° | 26° | 29.4° | 5.4 h | 23 | 322 |
| OctoberOct | 50 | 28° | 24° | 28.1° | 4.4 h | 25 | 446 |
| NovemberNov | 53 | 26° | 23° | 26.8° | 3.8 h | 22 | 481 |
| DecemberDec | 50 | 24° | 21° | 25.1° | 2.7 h | 24 | 370 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)
15.88° N, 108.33° E · 13 m · Asia/Ho_Chi_Minh
Best time to visit Hoi An
The best time to visit Hoi An is from February to April. For a beach holiday with the sea above 21 °C, go from March to April. For sightseeing, day trips and hiking, conditions are most comfortable in March. From June to July it can get very hot, with highs of up to 34 °C. Rain is most frequent from May to February; the wettest month is November with 481 mm.
Hoi An through the seasons
How the weather changes over the seasons, with averages for each.
Hoi An in the dry season
Mar – Apr
Good
- 27–30 °C by day
- Sea 25 °C
- 7 h of sun a day
- 19 rainy days in all
Hoi An in the rainy season
May – Feb
Fair
- 24–34 °C by day
- Sea 27 °C
- 5 h of sun a day
- 191 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Hoi An for you.
Your best months: December – February
Based on the climate averages; tap a month to see its details.
Which month for what?
Beach & swimming
Mar – Apr
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar
15–28 °C and not too much rain
Peak heat
Jun – Jul
Highs of 33 °C or more
Rainy months
May – Feb
12 or more rainy days
Hoi An month by month
The typical weather for every month at a glance.
52January24° · Sea 24° · 4 h
In January, Hoi An is warm: daytime highs average 24 °C, and nights cool down to about 20 °C. The sea averages 23.6 °C – pleasant for swimming. The sun is scarce, with only about 4 hours a day. It is the rainy season: rain falls on about 18 days, totalling 178 mm. The air is often humid and muggy. All in all, January is a so-so month for a holiday in Hoi An.
Hoi An in January68February25° · Sea 23° · 5 h
In February, Hoi An is warm: daytime highs average 25 °C, and even at night it stays warm at around 21 °C. The sea averages 23.1 °C – pleasant for swimming. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 93 mm in total. The air is often humid and muggy. All in all, February is a good month for a holiday in Hoi An.
Hoi An in February75March27° · Sea 24° · 6 h
In March, Hoi An is hot: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. The sea averages 23.8 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 86 mm in total. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a good month for a holiday in Hoi An.
Hoi An in March63April30° · Sea 25° · 7 h
In April, Hoi An is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 25.3 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 81 mm in total. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is a good month for a holiday in Hoi An.
Hoi An in April37May32° · Sea 28° · 8 h
In May, Hoi An is hot: daytime highs average 32 °C, and even at night it stays warm at around 26 °C. The sea averages 27.7 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 16 days, totalling 119 mm. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is not an ideal month for a holiday in Hoi An.
Hoi An in May33June34° · Sea 29° · 8 h
In June, Hoi An is very hot: daytime highs average 34 °C, and even at night it stays warm at around 27 °C. The sea averages 29.3 °C – almost as warm as a bath. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 14 days, totalling 88 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is not an ideal month for a holiday in Hoi An.
Hoi An in June27July33° · Sea 30° · 7 h
In July, Hoi An is very hot: daytime highs average 33 °C, and even at night it stays warm at around 27 °C. The sea averages 29.5 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 17 days, totalling 121 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is not an ideal month for a holiday in Hoi An.
Hoi An in July27August33° · Sea 30° · 7 h
In August, Hoi An is hot: daytime highs average 33 °C, and even at night it stays warm at around 27 °C. The sea averages 29.8 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 19 days, totalling 147 mm. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is not an ideal month for a holiday in Hoi An.
Hoi An in August37September30° · Sea 29° · 5 h
In September, Hoi An is hot: daytime highs average 30 °C, and even at night it stays warm at around 26 °C. The sea averages 29.4 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 23 days, totalling 322 mm. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is not an ideal month for a holiday in Hoi An.
Hoi An in September50October28° · Sea 28° · 4 h
In October, Hoi An is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 28.1 °C – lovely and warm for swimming. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 25 days, totalling 446 mm. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Hoi An.
Hoi An in October53November26° · Sea 27° · 4 h
In November, Hoi An is warm: daytime highs average 26 °C, and even at night it stays warm at around 23 °C. The sea averages 26.8 °C – lovely and warm for swimming. The sun is scarce, with only about 4 hours a day. It is the rainy season: rain falls on about 22 days, totalling 481 mm. The air is often humid and muggy. All in all, November is a so-so month for a holiday in Hoi An.
Hoi An in November50December24° · Sea 25° · 3 h
In December, Hoi An is warm: daytime highs average 24 °C, and even at night it stays warm at around 21 °C. The sea averages 25.1 °C – pleasant for swimming. The sun is scarce, with only about 3 hours a day. It is the rainy season: rain falls on about 24 days, totalling 370 mm. The air is often humid and muggy. All in all, December is a so-so month for a holiday in Hoi An.
Hoi An in DecemberHoi An compared
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Hoi An vs. Da Nang
In October the holiday weather in Hoi An and Da Nang is about equally good (score 50 vs. 47). During the day it is about as warm in Da Nang as in Hoi An. The sea is about equally warm.
| in October | Hoi An | Da Nang |
|---|---|---|
| Holiday score | 50 | 47 |
| Daytime high | 28° | 28° |
| Sea | 28° | 28° |
| Sunshine | 4 h | 4 h |
| Rainy days | 25 | 25 |
| Best time | Feb – Apr | Mar – Jun |
Through the year
Vietnam in October: the best places
In October, Hoi An ranks 5 of 6 destinations in this country.
- Nha Trang29°28°67
- 2Phu Quoc (Duong Dong)28°29°66
- 3Da Nang28°28°65
- 4Hanoi28°60
- 5Hoi AnThis page28°28°50
- 6Ho Chi Minh City30°35
Planning a trip to Hoi An
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Getting there
Flying from
- Nonstop flight
- about 12 h 25 min
- Distance
- 9,870 km
- Time zone
- UTC+7
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Hoi An lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Hoi An
When is the best time to visit Hoi An?
The best time to visit Hoi An is from February to April. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Hoi An?
The sea temperature in Hoi An ranges from 23.1 °C in February to 29.8 °C in August. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Hoi An in October?
Yes. In October the sea averages 28.1 °C – lovely and warm for swimming.
What is the warmest month in Hoi An?
June is the warmest month, with average highs of 34 °C and nights around 27 °C. January is the coolest month at 24 °C.
When does it rain most in Hoi An?
Rain is most frequent from May to February; the wettest month is November with 481 mm. The driest month is April with 81 mm.
How many hours of sunshine does Hoi An get?
Hoi An gets around 2,030 hours of sunshine a year. The sunniest month is May with 7.8 hours a day; in December there are 2.7 hours a day.
What time zone is Hoi An in?
Hoi An uses the time zone Asia/Ho_Chi_Minh, at UTC+7 all year.
How long is the flight from London to Hoi An?
A nonstop flight from London to Hoi An takes about 12 h 25 min, for a straight-line distance of about 9,870 km. Most routes need a change of planes, which adds time.
When is typhoon season in Hoi An?
Hoi An lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Near Hoi An
Other destinations close by.
Places with a climate like Hoi An
Destinations whose weather through the year is closest to Hoi An's – good alternatives.