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

61.8

°F

July 11, 19:16

Trend:

stable

Yesterday:

61.3°F

Tomorrow:

61.8°F

Sunrise:

05:04

Sunset:

21:41

Day Length:

16 h. 37 min.

Caernarfon in July

Minimum:

45.8°F

Average:

47.8°F

Maximum:

49.7°F

Sea water temperature in Caernarfon today

As of now, in Caernarfon, the water temperature is 61.8°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.7°F higher 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 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 62.7°F on 2018, while the historical minimum was 57.9°F on 2015.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 62.2°F, with minimum temperature starting at 61.8°F, while the maximum might reach 62.7°F.

Daily water temperature in Caernarfon

Date Current Year

actual* / forecast**

last year 10 years average
Jun 27 59.6°F 60.1°F 59.0°F
Jun 28 59.5°F 60.0°F 59.1°F
Jun 29 59.7°F 59.7°F 59.1°F
Jun 30 59.5°F 59.4°F 58.9°F
Jul 1 59.2°F 58.9°F 58.9°F
Jul 2 59.7°F 59.4°F 59.1°F
Jul 3 60.8°F 59.3°F 59.2°F
Jul 4 60.9°F 59.1°F 59.3°F
Jul 5 60.6°F 60.3°F 59.4°F
Jul 6 60.4°F 60.0°F 59.4°F
Jul 7 60.4°F 60.0°F 59.5°F
Jul 8 60.9°F 59.5°F 59.7°F
Jul 9 60.6°F 59.6°F 59.6°F
Jul 10 61.3°F 59.5°F 59.9°F
Jul 11 61.8°F 59.6°F 60.1°F
Jul 12 61.8°F 59.5°F 60.0°F
Jul 13 61.9°F 60.1°F 60.2°F
Jul 14 62.2°F 59.9°F 60.5°F
Jul 15 62.2°F 59.6°F 60.4°F
Jul 16 62.2°F 59.8°F 60.5°F
Jul 17 62.5°F 61.0°F 60.8°F
Jul 18 62.7°F 60.8°F 61.0°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, 59.9°F in Summer, and 57.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Bangor 61.5°F 8mi
Holyhead 59.5°F 19mi
Conwy 62.5°F 21mi
Aberystwyth 63.7°F 51mi

* current water temperature in this city

** straight line distance from Caernarfon