All data are in degrees Fahrenheit

en

Water temperature in Hamilton

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

71.0

°F

December 22, 06:55

Trend:

decreasing

Yesterday:

71.4°F

Tomorrow:

71.0°F

Sunrise:

07:17

Sunset:

17:19

Day Length:

10 h. 2 min.

Hamilton in December

Minimum:

67.3°F

Average:

70.0°F

Maximum:

71.7°F

Sea water temperature in Hamilton today

As of now, in Hamilton, the water temperature is 71.0°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.4°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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 72.7°F on 2017, while the historical minimum was 70.5°F on 2022.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 70.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hamilton

Date Current Year

actual* / forecast**

last year 10 years average
Dec 8 72.7°F 71.6°F 72.5°F
Dec 9 72.7°F 71.5°F 72.5°F
Dec 10 72.5°F 71.6°F 72.5°F
Dec 11 72.1°F 71.6°F 72.2°F
Dec 12 72.3°F 71.8°F 72.2°F
Dec 13 72.0°F 71.5°F 72.1°F
Dec 14 72.3°F 71.4°F 72.1°F
Dec 15 72.3°F 71.6°F 72.1°F
Dec 16 72.3°F 71.2°F 72.0°F
Dec 17 71.9°F 71.1°F 71.8°F
Dec 18 71.6°F 71.0°F 71.7°F
Dec 19 71.5°F 70.8°F 71.6°F
Dec 20 71.5°F 70.9°F 71.6°F
Dec 21 71.4°F 71.0°F 71.5°F
Dec 22 71.0°F 70.6°F 71.4°F
Dec 23 71.0°F 70.7°F 71.3°F
Dec 24 70.8°F 70.5°F 71.2°F
Dec 25 70.8°F 70.6°F 71.2°F
Dec 26 70.7°F 70.5°F 71.1°F
Dec 27 70.7°F 70.6°F 71.1°F
Dec 28 70.6°F 70.5°F 70.9°F
Dec 29 70.6°F 70.4°F 70.9°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 Hamilton by month

In Hamilton, the months June through November offer comfortable swimming conditions, which amounts to 188 swimming days.
The warmest water in Hamilton was recorded on August 15, 2020, reaching a 85.6°F. While the coldest temperature occurred on February 24, 2025, dipping to 65.4°F. The average readings by season are 70.0°F in Winter, 69.7°F in Spring, 80.6°F in Summer, and 78.9°F in Autumn.