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

47.5

°F

January 2, 14:44

Trend:

increasing

Yesterday:

47.3°F

Tomorrow:

47.6°F

Sunrise:

08:31

Sunset:

16:11

Day Length:

7 h. 40 min.

Caernarfon in January

Minimum:

45.6°F

Average:

48.1°F

Maximum:

50.5°F

Sea water temperature in Caernarfon today

As of now, in Caernarfon, the water temperature is 47.5°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 lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling 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 50.4°F on 2016, while the historical minimum was 46.6°F on 2021.

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 histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 47.4°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
Jan 1 47.3°F 45.6°F 48.1°F
Jan 2 47.5°F 46.6°F 48.1°F
Jan 3 47.6°F 47.0°F 48.2°F
Jan 4 47.7°F 46.9°F 48.2°F
Jan 5 47.6°F 47.0°F 48.1°F
Jan 6 47.5°F 47.0°F 48.0°F
Jan 7 47.2°F 47.0°F 47.8°F
Jan 8 47.2°F 46.6°F 47.7°F
Jan 9 47.0°F 46.0°F 47.5°F
Dec 19 50.7°F 48.6°F 49.0°F
Dec 20 49.8°F 48.3°F 48.9°F
Dec 21 49.6°F 48.5°F 49.0°F
Dec 22 49.6°F 48.2°F 48.7°F
Dec 23 49.4°F 48.5°F 48.7°F
Dec 24 49.1°F 48.1°F 48.5°F
Dec 25 48.3°F 47.8°F 48.3°F
Dec 26 48.1°F 47.3°F 48.3°F
Dec 27 47.2°F 46.3°F 48.1°F
Dec 28 47.0°F 45.6°F 47.9°F
Dec 29 47.0°F 45.6°F 47.8°F
Dec 30 47.2°F 45.4°F 47.8°F
Dec 31 47.4°F 45.5°F 47.7°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

January

February

March

April

May

June

July

August

September

October

November

December

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 45.8°F 8mi
Holyhead 49.1°F 19mi
Conwy 44.9°F 21mi
Aberystwyth 46.3°F 51mi

* current water temperature in this city

** straight line distance from Caernarfon