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 13.3°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.

55.9

°F

May 20, 08:17

Trend:

increasing

Yesterday:

55.8°F

Tomorrow:

56.1°F

Sunrise:

05:10

Sunset:

21:18

Day Length:

16 h. 8 min.

Caernarfon in May

Minimum:

46.5°F

Average:

48.2°F

Maximum:

49.9°F

Sea water temperature in Caernarfon today

As of now, in Caernarfon, the water temperature is 55.9°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 3.0°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 rise 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 maximum temperature for this date. The maximum temperature recorded for this date was 54.9°F on 2022, while the historical minimum was 50.7°F on 2015.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 56.6°F, with minimum temperature starting at 56.1°F, while the maximum might reach 57.2°F.

Daily water temperature in Caernarfon

Date	Current Year actual* / forecast**	last year	10 years average
May 6	51.3°F	52.0°F	50.8°F
May 7	51.3°F	52.4°F	51.1°F
May 8	51.3°F	52.2°F	51.2°F
May 9	51.6°F	52.2°F	51.3°F
May 10	51.6°F	52.8°F	51.5°F
May 11	51.6°F	52.7°F	51.5°F
May 12	51.7°F	52.9°F	51.6°F
May 13	52.0°F	53.6°F	51.9°F
May 14	52.3°F	53.4°F	52.2°F
May 15	54.0°F	54.0°F	52.7°F
May 16	54.7°F	54.9°F	52.9°F
May 17	54.7°F	54.9°F	53.0°F
May 18	55.0°F	54.6°F	53.0°F
May 19	55.8°F	54.3°F	52.8°F
May 20	55.9°F	54.1°F	53.0°F
May 21	56.1°F	53.9°F	53.2°F
May 22	56.2°F	55.0°F	53.3°F
May 23	56.5°F	55.8°F	53.5°F
May 24	56.5°F	55.6°F	53.5°F
May 25	56.7°F	55.7°F	53.7°F
May 26	56.9°F	56.6°F	53.9°F
May 27	57.2°F	56.3°F	54.2°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 47.5°F in Winter, 49.0°F in Spring, 59.7°F in Summer, and 57.4°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	54.0°F	8mi
Holyhead	53.3°F	19mi
Conwy	54.9°F	21mi
Aberystwyth	56.1°F	51mi

* current water temperature in this city

** straight line distance from Caernarfon