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

83.0

°F

July 6, 23:21

Trend:

decreasing

Yesterday:

83.2°F

Tomorrow:

82.8°F

Sunrise:

05:08

Sunset:

18:47

Day Length:

13 h. 39 min.

Keelung in July

Minimum:

64.9°F

Average:

67.9°F

Maximum:

70.4°F

Sea water temperature in Keelung today

As of now, in Keelung, the water temperature is 83.0°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 0.6°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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 84.7°F on 2024, while the historical minimum was 82.8°F on 2018.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 82.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Keelung

Date Current Year

actual* / forecast**

last year 10 years average
Jun 22 80.3°F 82.4°F 81.7°F
Jun 23 80.8°F 82.7°F 81.9°F
Jun 24 80.9°F 83.0°F 82.1°F
Jun 25 81.7°F 83.4°F 82.3°F
Jun 26 81.9°F 83.0°F 82.2°F
Jun 27 81.5°F 83.5°F 82.5°F
Jun 28 81.6°F 83.4°F 82.6°F
Jun 29 81.8°F 84.2°F 82.9°F
Jun 30 81.2°F 83.4°F 82.8°F
Jul 1 82.0°F 83.2°F 82.9°F
Jul 2 82.0°F 83.5°F 83.0°F
Jul 3 82.5°F 83.6°F 83.2°F
Jul 4 82.9°F 83.8°F 83.3°F
Jul 5 83.2°F 83.8°F 83.5°F
Jul 6 83.0°F 84.1°F 83.6°F
Jul 7 82.8°F 83.8°F 83.4°F
Jul 8 82.8°F 83.6°F 83.4°F
Jul 9 82.8°F 83.6°F 83.4°F
Jul 10 82.7°F 83.6°F 83.3°F
Jul 11 82.7°F 83.5°F 83.3°F
Jul 12 82.7°F 83.5°F 83.3°F
Jul 13 82.7°F 83.4°F 83.3°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 84.4°F 14mi
Banqiao 84.4°F 19mi
Taoyuan City 84.3°F 29mi
Hsinchu 85.9°F 53mi

* current water temperature in this city

** straight line distance from Keelung