All data are in degrees Fahrenheit

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Water temperature in Keelung

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

74.8

°F

May 17, 20:02

Trend:

decreasing

Yesterday:

76.3°F

Tomorrow:

74.8°F

Sunrise:

05:08

Sunset:

18:31

Day Length:

13 h. 23 min.

Keelung in May

Minimum:

65.1°F

Average:

68.1°F

Maximum:

70.3°F

Sea water temperature in Keelung today

As of now, in Keelung, the water temperature is 74.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.7°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 stay about the same.

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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 79.7°F on 2021, while the historical minimum was 75.8°F on 2024.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 75.3°F, with minimum temperature starting at 74.8°F, while the maximum might reach 75.8°F.

Daily water temperature in Keelung

Date Current Year

actual* / forecast**

last year 10 years average
May 3 75.1°F 75.8°F 75.6°F
May 4 74.9°F 76.1°F 75.7°F
May 5 75.1°F 76.3°F 75.9°F
May 6 75.2°F 76.9°F 76.3°F
May 7 75.4°F 77.1°F 76.6°F
May 8 76.2°F 77.4°F 76.9°F
May 9 76.2°F 77.1°F 77.0°F
May 10 76.4°F 77.2°F 77.1°F
May 11 76.8°F 77.1°F 77.0°F
May 12 76.3°F 77.0°F 76.9°F
May 13 76.3°F 76.8°F 76.9°F
May 14 76.8°F 76.9°F 76.8°F
May 15 76.5°F 77.6°F 76.9°F
May 16 76.3°F 78.5°F 77.3°F
May 17 74.8°F 79.4°F 77.5°F
May 18 74.8°F 78.5°F 77.5°F
May 19 75.0°F 79.3°F 77.8°F
May 20 75.2°F 79.4°F 78.0°F
May 21 75.4°F 80.7°F 78.2°F
May 22 75.6°F 80.8°F 78.4°F
May 23 75.8°F 81.0°F 78.5°F
May 24 75.6°F 81.2°F 78.4°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 Keelung by month

In Keelung, the months May through November offer comfortable swimming conditions, which amounts to 222 swimming days.
The warmest water in Keelung was recorded on July 19, 2024, reaching a 86.6°F. While the coldest temperature occurred on March 23, 2025, dipping to 62.4°F. The average readings by season are 68.1°F in Winter, 72.7°F in Spring, 82.9°F in Summer, and 78.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Taipei 77.8°F 14mi
Banqiao 77.8°F 19mi
Taoyuan City 78.0°F 29mi
Hsinchu 79.7°F 53mi

* current water temperature in this city

** straight line distance from Keelung