What is the current water temperature in Caernarfon?

Q: What is the current water temperature in Caernarfon?

As of now, in Caernarfon, the water temperature is 10.33°C. 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.

United Kingdom > Caernarfon

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.

50.6

°F

December 18, 00:41

Trend:

decreasing

Yesterday:

50.6°F

Tomorrow:

50.4°F

Sunrise:

08:27

Sunset:

16:00

Day Length:

7 h. 33 min.

Caernarfon in December

Minimum:

45.8°F

Average:

47.1°F

Maximum:

49.0°F

Sea water temperature in Caernarfon today

As of now, in Caernarfon, the water temperature is 50.6°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 1.4°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 fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 51.2°F on 2015, while the historical minimum was 48.3°F on 2022.

latest data

last year

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 50.3°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
Dec 4	50.3°F	51.7°F	50.9°F
Dec 5	49.5°F	51.7°F	50.8°F
Dec 6	49.7°F	51.1°F	50.7°F
Dec 7	49.8°F	50.8°F	50.7°F
Dec 8	49.8°F	50.8°F	50.7°F
Dec 9	50.1°F	50.9°F	50.6°F
Dec 10	50.4°F	50.4°F	50.4°F
Dec 11	50.7°F	50.0°F	50.3°F
Dec 12	50.9°F	49.9°F	50.2°F
Dec 13	50.8°F	49.8°F	50.1°F
Dec 14	50.6°F	49.3°F	49.8°F
Dec 15	50.5°F	49.4°F	49.7°F
Dec 16	50.4°F	48.8°F	49.5°F
Dec 17	50.6°F	48.6°F	49.3°F
Dec 18	50.6°F	48.6°F	49.2°F
Dec 19	50.4°F	48.6°F	49.0°F
Dec 20	50.5°F	48.3°F	49.1°F
Dec 21	50.5°F	48.5°F	49.1°F
Dec 22	50.3°F	48.2°F	48.9°F
Dec 23	50.3°F	48.5°F	48.9°F
Dec 24	50.1°F	48.1°F	48.7°F
Dec 25	50.0°F	47.8°F	48.6°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 47.4°F in Winter, 49.1°F in Spring, 60.0°F in Summer, and 57.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	49.0°F	8mi
Holyhead	51.0°F	19mi
Conwy	49.3°F	21mi
Aberystwyth	49.3°F	51mi

* current water temperature in this city

** straight line distance from Caernarfon