Day
25 °C
Night
20 °C
Sea
23 °C
Precipitation
82 mm
in month
Rainy days
7 days
in month
Daylight
11 hours
average
Sunshine
7 hours
average
Humidity
83 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Hoi An, a city in Vietnam with a tropical climate, typically experiences warm days with January temperatures starting at 25 °C (77 °F) and peaking in June at 34 °C (94 °F). March is the driest month with just 4 days of rain, while October sees the heaviest rainfall, soaking the city for 18 days. The sea temperature fluctuates from a brisk 23 °C (74 °F) in February to a balmy 29 °C (85 °F) in August. Nighttime temperatures range from a cooler 20 °C (67 °F) in January to a more sultry 25 °C (78 °F) in July. As for wind speeds, they are gentle and range from 2 to 3. Sun-seekers will appreciate the generous amount of sunny hours, especially in the drier months.
Throughout January, the daytime temperatures maintain a cool presence, starting at a minimum of 25 °C (77 °F) in Hoi An. The sea temperature commences its downward trend, with a current temperature of 23 °C (74 °F). Tourism flourishes, while a reduction in both the number of rainy days, now at 7 days, and the rainfall amount from the previous month is observed. The lowest nighttime temperatures make their appearance, reaching 20 °C (67 °F).
As February unfolds, the tourist season marches on in Hoi An, and the onset of the dry season is noticeable. Observers note a subtle increase in day temperatures, now at 26 °C (79 °F), in parallel to the lowest annual sea temperatures. Rainfall continues to dwindle, measured at 33 mm (1.28 in), and the days of rain follow suit, registering at 4 days.
March witnesses the continued rise of day temperatures. With the tourist and pending dry seasons in full swing, one observes the fewest rainy days, totaling 4 days, coupled with a minimal rainfall of 30 mm (1.19 in). The zenith of sunny hours, clocking in at 7 hours, graces the region.
April's embracement by the ongoing tourist and nearing dry seasons becomes evident as rising sea temperatures, currently at 25 °C (77 °F), are noted. The day temperature's ascent is evident, whilst the night temperature moves to 23 °C (74 °F). A slight decline is marked in the number of sunny hours, now 7 hours within April.
May observes a steady increase in both day temperature, now at 33 °C (91 °F), and sea temperature, measured at 27 °C (81 °F). Signs of an upcoming increase in rainfall are noted, with the amount reaching 54 mm (2.14 in), and the number of rainy days beginning its rise at 6 days. The night temperature continues its upward trend, positioned at 25 °C (76 °F).
June's peak in day temperatures, soaring to 34 °C (94 °F), is matched by a continued upsurge in sea temperature, now at 29 °C (84 °F). The bustling tourist season is nearing its climax. Wetter days increase, counting 8 days, and rainfall surges to 75 mm (2.94 in). The night too feels the upward trend in temperatures, now at 25 °C (78 °F).
July's proximity to the tourist season's zenith is evident, with a steady number of rainy days, now at 9 days, even as rainfall commences its decline, settling at 68 mm (2.69 in). The night temperature hits its peak, with stats at 25 °C (78 °F).
August in Hoi An sees a noticeable rise in rainy days to 11 days and the commencement of increased rainfall. The warmest sea temperatures peak at 29 °C (85 °F), and the early signs of decreasing night temperatures are marked in August. The minimal count of sunny hours is also noteworthy this month.
September reveals the onset of cooler day temperatures, now at 32 °C (89 °F) in Hoi An, as the city preps for the wet season. During the tourist season, the number of rainy days steps up, seen in 14 days, and a notable increase in rainfall is reflected by 307 mm (12.09 in). The gentlest wind speeds make an appearance in September.
The imminent wet season looms as sea temperatures begin their descent, marked at 28 °C (82 °F), and day temperatures dip to 30 °C (85 °F). The crest of rainy days reaches its apex, and the maximum of rainfall is also prominent. The night temperature starts its downward trajectory, now at 24 °C (75 °F).
As Hoi An welcomes November, there's a similarity in the decline of day temperatures, now at 28 °C (82 °F), and sea temperatures, also dropping to 26 °C (79 °F). The pending wet season is heralded by dropping rainfall and rainy day numbers, with the latter notching 15 days. The wind speeds climb to their yearly peak this month.
December sees the prelude to Hoi An's tourist season, highlighted by the diminishing sea temperatures, which stand at 25 °C (77 °F), while day temperatures likewise decline to an average of 25 °C (78 °F). A reduction in the volume of rainfall is witnessed at 198 mm (7.79 in), and rainy days retreat to 13 days. The chill of night begins to set in, reflected by 21 °C (69 °F).
You can typically expect about 7 hours of sunshine per day in Hoi An throughout January.
In February, the sea temperature in Hoi An reaches approximately 23 °C (74 °F), considered pleasantly warm for swimming by many.
In Hoi An, the daytime temperatures in March average around 28 °C (82 °F), ideal for outdoor pleasures.
April graces Hoi An with comfortably warm temperatures, offering a pleasant climate without excessive heat.
Rain occurs on approximately 6 days in May in Hoi An, indicating a noticeable but manageable level of precipitation.
In Hoi An, June nights are characterized by average temperatures of about 25 °C (78 °F), fostering a tropical and lively nighttime environment.
Hoi An does not experience its wet season in July, with a moderate season tally of 9 days of rain expected.
August typically features a mild average wind speed of 3 in Hoi An, ensuring a pleasant, non-disruptive breeze for visitors.
Expect a relatively high humidity level around 77 % in Hoi An come September.
A pertinent question for Hoi An's October weather could be: 'What is the likelihood of experiencing rain during my visit?'
No, November in Hoi An does not signal the onset of the dry season, expecting rain for up to about 15 days.
December offers excellent travel conditions in Hoi An with moderate daytime temperatures and inviting sea temperatures.