All data are in degrees Fahrenheit

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Water temperature in Tainan

Detailed information about the current water temperature in Tainan. 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 Tainan now

73.5

°F

January 12, 13:04

Trend:

decreasing

Yesterday:

73.8°F

Tomorrow:

73.1°F

Sunrise:

06:42

Sunset:

17:33

Day Length:

10 h. 51 min.

Tainan in January

Minimum:

73.0°F

Average:

74.9°F

Maximum:

77.2°F

Sea water temperature in Tainan today

As of now, in Tainan, the water temperature is 73.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.3°F lower than 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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 76.9°F on 2019, while the historical minimum was 71.0°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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 73.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Tainan

Date Current Year

actual* / forecast**

last year 10 years average
Jan 1 76.0°F 73.2°F 74.9°F
Jan 2 75.2°F 73.1°F 74.6°F
Jan 3 74.3°F 73.1°F 74.4°F
Jan 4 74.5°F 72.2°F 74.2°F
Jan 5 75.2°F 71.3°F 74.2°F
Jan 6 74.8°F 71.7°F 74.4°F
Jan 7 74.2°F 71.3°F 74.4°F
Jan 8 74.0°F 71.5°F 74.2°F
Jan 9 73.9°F 72.6°F 74.5°F
Jan 10 74.2°F 72.6°F 74.2°F
Jan 11 73.8°F 72.1°F 74.2°F
Jan 12 73.5°F 71.0°F 73.9°F
Jan 13 73.1°F 69.5°F 73.5°F
Jan 14 73.3°F 69.9°F 73.6°F
Jan 15 73.2°F 70.3°F 73.5°F
Jan 16 73.3°F 71.0°F 73.6°F
Jan 17 73.2°F 71.0°F 73.6°F
Jan 18 73.3°F 71.6°F 73.6°F
Jan 19 73.3°F 72.2°F 73.7°F
Dec 29 76.9°F 73.2°F 75.1°F
Dec 30 76.1°F 73.3°F 75.2°F
Dec 31 75.7°F 73.0°F 75.1°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 Tainan by month

In Tainan, the water temperature is comfortable for swimming all year round.
The warmest water in Tainan was recorded on July 12, 2024, reaching a 88.3°F. While the coldest temperature occurred on January 13, 2025, dipping to 69.5°F. The average readings by season are 74.7°F in Winter, 78.9°F in Spring, 85.5°F in Summer, and 82.5°F in Autumn.