All data are in degrees Fahrenheit

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Water temperature in Hoi An

Detailed information about the current water temperature in Hoi An. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Hoi An now

73.9

°F

January 29, 20:05

Trend:

stable

Yesterday:

73.9°F

Tomorrow:

73.7°F

Sunrise:

06:17

Sunset:

17:42

Day Length:

11 h. 25 min.

Hoi An in February

Minimum:

73.9°F

Average:

74.8°F

Maximum:

76.4°F

Sea water temperature in Hoi An today

As of now, in Hoi An, the water temperature is 73.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 76.4°F on 2022, while the historical minimum was 71.7°F on 2025.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 73.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hoi An

Date Current Year

actual* / forecast**

last year 10 years average
Jan 15 72.7°F 73.2°F 74.3°F
Jan 16 72.1°F 73.2°F 74.3°F
Jan 17 73.3°F 73.3°F 74.5°F
Jan 18 73.0°F 72.3°F 74.3°F
Jan 19 72.9°F 72.5°F 74.4°F
Jan 20 72.4°F 72.5°F 74.3°F
Jan 21 73.0°F 72.0°F 74.3°F
Jan 22 73.3°F 71.7°F 74.2°F
Jan 23 73.2°F 71.2°F 74.2°F
Jan 24 73.4°F 70.6°F 74.1°F
Jan 25 73.5°F 71.0°F 74.1°F
Jan 26 73.6°F 71.5°F 74.0°F
Jan 27 73.8°F 71.6°F 73.9°F
Jan 28 73.9°F 71.7°F 73.9°F
Jan 29 73.9°F 71.7°F 73.8°F
Jan 30 73.7°F 71.7°F 73.6°F
Jan 31 73.6°F 71.5°F 73.5°F
Feb 1 73.7°F 71.4°F 73.5°F
Feb 2 73.5°F 71.1°F 73.4°F
Feb 3 73.7°F 72.3°F 73.6°F
Feb 4 73.8°F 72.4°F 73.6°F
Feb 5 73.7°F 72.3°F 73.6°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Hoi An by month

In Hoi An, the water temperature is comfortable for swimming all year round.
The warmest water in Hoi An was recorded on September 9, 2017, reaching a 87.6°F. While the coldest temperature occurred on February 15, 2018, dipping to 68.4°F. The average readings by season are 74.9°F in Winter, 78.3°F in Spring, 84.8°F in Summer, and 82.9°F in Autumn.