All data are in degrees Fahrenheit

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Water temperature in Caernarfon

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

46.1

°F

March 2, 20:49

Trend:

stable

Yesterday:

46.1°F

Tomorrow:

46.1°F

Sunrise:

07:03

Sunset:

17:57

Day Length:

10 h. 54 min.

Caernarfon in March

Minimum:

46.7°F

Average:

48.0°F

Maximum:

50.1°F

Sea water temperature in Caernarfon today

As of now, in Caernarfon, the water temperature is 46.1°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.5°F higher 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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 46.9°F on 2017, while the historical minimum was 43.0°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 45.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Caernarfon

Date Current Year

actual* / forecast**

last year 10 years average
Feb 16 44.8°F 44.9°F 45.4°F
Feb 17 43.9°F 44.3°F 45.2°F
Feb 18 44.3°F 44.3°F 45.2°F
Feb 19 44.2°F 44.4°F 45.3°F
Feb 20 44.0°F 44.6°F 45.3°F
Feb 21 44.4°F 44.5°F 45.4°F
Feb 22 44.5°F 43.7°F 45.5°F
Feb 23 45.2°F 45.1°F 45.8°F
Feb 24 44.7°F 44.9°F 45.8°F
Feb 25 45.8°F 46.0°F 45.9°F
Feb 26 45.4°F 46.6°F 45.9°F
Feb 27 45.3°F 46.5°F 45.9°F
Feb 28 45.7°F 46.3°F 45.8°F
Mar 1 46.1°F 46.2°F 45.8°F
Mar 2 46.1°F 46.4°F 45.7°F
Mar 3 46.1°F 46.3°F 45.6°F
Mar 4 46.0°F 46.1°F 45.6°F
Mar 5 45.9°F 46.1°F 45.5°F
Mar 6 45.8°F 45.9°F 45.3°F
Mar 7 45.9°F 46.5°F 45.4°F
Mar 8 45.7°F 46.6°F 45.3°F
Mar 9 45.7°F 46.6°F 45.2°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 Caernarfon by month

In an average year, Caernarfon offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Caernarfon was recorded on July 22, 2021, reaching a 66.9°F. While the coldest temperature occurred on March 11, 2018, dipping to 42.3°F. The average readings by season are 47.3°F in Winter, 49.3°F in Spring, 60.2°F in Summer, and 57.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Bangor 45.1°F 8mi
Holyhead 46.4°F 19mi
Conwy 44.9°F 21mi
Aberystwyth 45.7°F 51mi

* current water temperature in this city

** straight line distance from Caernarfon