yearsofweather

Hoi An in December:
comfortably warm,

Hoi An, Vietnam · Records from 2006 to 2025. Not a forecast.

Mean high26°Hottest day 30.4° (2012)
Mean low21°Coldest night 16.4° (2013)
Rain days15 days5-24 by year
Rainfall246mmDaylight 11.3 → 11.2 h
Hoi An's 12 months iBest: January to March
Trip types Beach Poorcool sea and frequent rainSightseeing on foot Poorfrequent rain and muggy
Humidity85%20 muggy days
Clear days1 day18 overcast days
Mean wind12 km/hRarely windy
Sea temperature25.6°24.9-26.3° by year (last 6)
Sunrise / sunset (15th)06:06 / 17:18Daylight 11.3 → 11.2 h

Hoi An in December

Rain is easing, though many days are still gray and cool. Flood risk falls from moderate to low, and the water recedes and the weather steadies toward the end of the month.

Daytime highs averaged 26°C, with nights at 21°C. Comfortably warm without being punishing. About 15 days a month saw rain, enough that a wet-weather plan was worth having. It varied a lot from year to year. December 2019 had 5 rain days; 2014 had 24.

This was the last frequently wet month; rain eased to about 9 days the month after. Rain days averaged 16 mm each, so when it rained it rained properly.

Typhoons i

1 of the last 20 years had a tropical storm pass within 300 km this month.

  • Rai (2021), 243 km away typhoon strength
1 2 3 4 5 6 27 38 109 1010 411 112

Date by date i

‹ November December 2026 January ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-5rain on 53% of days26° 21°
6-12rain on 44% of days26° 21°
13-19rain on 49% of days25° 20°
20-26rain on 45% of days25° 20°
27-31rain on 54% of days25° 20°

0-5/206-8/209-11/2012-20/20

1-5rain on 53% of days26° 21°
6-12rain on 44% of days26° 21°
13-19rain on 49% of days25° 20°
20-26rain on 45% of days25° 20°
27-31rain on 54% of days25° 20°
Tap another date to change

200646mm
200737mm
200838mm
2009none
20109mm
201126mm
201221mm
2013none
20149mm
2015none
20169mm
20173mm
2018none
2019none
2020none
202113mm
202236mm
20232mm
20243mm
20251mm
Holidays in December (2026)
  • December 25 Christmas Day

1 US holidays (flights fill up)

Day by day temperature i

19°23°28°32° 1815222931

Mean high Mean low Coldest to warmest high in 20 years

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
4 d 16 d
2007
2 d 10 d
2008
3 d 16 d
2009
0 d 10 d
2010
1 d 7 d
2011
5 d 20 d
2012
2 d 13 d
2013
1 d 6 d
2014
6 d 24 d
2015
3 d 13 d
2016
5 d 23 d
2017
1 d 17 d
2018
6 d 16 d
2019
1 d 5 d
2020
4 d 17 d
2021
4 d 18 d
2022
7 d 18 d
2023
1 d 21 d
2024
3 d 15 d
2025
3 d 16 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
9
10
10
10
14
12
10
10
6
7
7
10
7
11
8
12
12
9
10
7
8
10
9
12
8
9
10
11
9
14
10
Rain days on trip
42301521635161447133

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2019 had 5 rain days, 2014 had 24.

Hoi An through the year

MonthHighLowRain daysRainfallSea
JanuaryGood 25°19°9 days85mm 24°
FebruaryGood 26°20°4 days24mm 23°
MarchGood 29°22°3 days27mm 24°
April 31°24°4 days64mm 26°
May 34°26°4 days86mm 28°
June 35°27°5 days61mm 30°
July 35°26°8 days105mm 30°
August 35°26°9 days142mm 30°
September 33°25°13 days404mm 30°
October 30°24°18 days760mm 29°
November 28°23°17 days460mm 27°
December 26°21°15 days246mm 26°

Common questions

Does it rain a lot in Hoi An in December?

Over the past 20 years December averaged 15 rain days (1 mm or more) out of 31. Individual years ran from 5 in the driest to 24 in the wettest.

What should I wear in Hoi An in December?

Days averaged 26°C and nights 21°C. Pack an umbrella, sandals that can get wet, T-shirts, a light layer for the evenings, sunscreen plus a hat, a swimsuit, and insect repellent.

Can you swim in Hoi An in December?

Sea surface temperature averaged 25.6°C in December, comfortable for swimming. Year to year it ranged 24.9-26.3°C. Check local flags for waves and jellyfish on the day.

Is December a good time to visit Hoi An?

On warmth and rain days alone, Hoi An's easiest months were January to March. December ranked 5 of 12.

Is Hoi An humid in December?

Mean relative humidity was 85%, with about 20 muggy days (dew point of 20°C or more) in the month.