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Trefor
Water Temperature in the Celtic Sea in Trefor, Wales: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Trefor in Wales, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Trefor
7.0°C
TODAY
6.8°C
YESTERDAY
7.0°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Celtic Sea in Trefor is 7°C. This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart for Celtic Sea in Trefor Over the Last 30 Days
The water temperature in Trefor today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Trefor will remain nearly unchanged in the coming days, its value will be 7.6°C.
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across United Kingdom to enhance accuracy.
Water temperature data for Trefor and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Table of Daily Sea Temperature Data
Date | Current | Average | Forecast |
---|---|---|---|
Feb 16 | 7.0°C | 7.5°C | |
Feb 17 | 6.7°C | 8.3°C | |
Feb 18 | 6.6°C | 8.0°C | |
Feb 19 | 6.4°C | 7.3°C | |
Feb 20 | 6.4°C | 7.5°C | |
Feb 21 | 6.6°C | 7.5°C | |
Feb 22 | 6.8°C | 7.8°C | |
Feb 23 | 7.0°C | 7.5°C | |
Feb 24 | 8.0°C | 7.1°C | |
Feb 25 | 7.8°C | 7.2°C | |
Feb 26 | 8.3°C | 7.3°C | |
Feb 27 | 7.8°C | 7.4°C | |
Feb 28 | 7.8°C | 7.4°C | |
Mar 1 | 8.5°C | 7.5°C | |
Mar 2 | 8.8°C | 7.6°C | |
Mar 3 | 8.0°C | 7.6°C |
Sea Temperature in Trefor Throughout the Year
Throughout the year, the sea temperature in Trefor never exceeds 64°F (18°C).
Below is the annual chart of sea temperature changes in the Celtic Sea in Trefor.
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January
Minimum | Average | Maximum |
---|---|---|
7°C | 9°C | 11°C |
February
Minimum | Average | Maximum |
---|---|---|
7°C | 8.5°C | 10°C |
March
Minimum | Average | Maximum |
---|---|---|
7°C | 8.5°C | 10°C |
April
Minimum | Average | Maximum |
---|---|---|
7°C | 9°C | 11°C |
May
Minimum | Average | Maximum |
---|---|---|
9°C | 11.5°C | 14°C |
June
Minimum | Average | Maximum |
---|---|---|
11°C | 13.5°C | 16°C |
July
Minimum | Average | Maximum |
---|---|---|
13°C | 15.5°C | 18°C |
August
Minimum | Average | Maximum |
---|---|---|
14°C | 16°C | 18°C |
September
Minimum | Average | Maximum |
---|---|---|
14°C | 16.5°C | 19°C |
October
Minimum | Average | Maximum |
---|---|---|
12°C | 14.5°C | 17°C |
November
Minimum | Average | Maximum |
---|---|---|
10°C | 12.5°C | 15°C |
December
Minimum | Average | Maximum |
---|---|---|
8°C | 10.5°C | 13°C |
Monthly Water Temperature Histogram for Celtic Sea in Trefor
You can explore detailed data on how the water temperature in Trefor varies each month:
What Beaches Are There In and Around Trefor?
Trefor Beach
Trefor Beach is a 3-stars sandy beach, is located directly in Trefor. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Traeth Yr Eifl Beach
Traeth Yr Eifl Beach is a 3-stars sandy beach, is located directly in Trefor. There is parking. There are cafés. Traeth Yr Eifl Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Trefor Sea Stacks
Trefor Sea Stacks is a 2-stars sandy beach, is located directly in Trefor. There is parking.
Aberdesach Beach
Aberdesach Beach is a 1-stars pebble beach, located in a 7 km (4 miles) radius of Trefor.
West Point Beach Resort
West Point Beach Resort is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Trefor. There are cafés.
Maen Trwyn Dylan Beach
Maen Trwyn Dylan Beach is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Trefor. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Pontllyfni Beach
Pontllyfni Beach is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Trefor. There is parking. Pontllyfni Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Porth Nefyn
Porth Nefyn is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Trefor. There is parking.
Traeth Nefyn
Traeth Nefyn is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Trefor. There is parking.
Nefyn Beach
Nefyn Beach is a 4-stars sandy beach, located in a 9 km (6 miles) radius of Trefor. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Trefor Weather
FEBRUARY 24
5°C / 7°C
light rainhumidity: 87% | wind: 5 km/h
FEBRUARY 25
5°C / 8°C
light rainhumidity: 91% | wind: 6 km/h
FEBRUARY 26
4°C / 7°C
light rainhumidity: 80% | wind: 4 km/h
FEBRUARY 27
4°C / 4°C
clear skyhumidity: 86% | wind: 2 km/h
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

Sea Temperature in the Celtic Sea in Trefor: General Trends and Swimming Opportunities
The climate in the coastal regions of Wales, United Kingdom, is generally mild and rainy with moderate temperatures. Due to being surrounded by the sea, these areas usually have cooler summers, warmer winters, and a greater level of humidity compared to the inland regions.
Trefor is located in Europe in the Northern Hemisphere at a latitude of 53 degrees, along the shores of the Celtic Sea. Trefor lies within the Wales in United Kingdom.
The average annual daytime air temperature in Trefor is 13°C (55°F), with the average nighttime temperature being 7°C (45°F). The highest average daily temperature occurs in July, reaching 20°C (67°F), while the lowest is in February at 8°C (47°F). As for nighttime temperatures, the minimum average temperature of 2°C (36°F) is recorded in February, and the maximum is in July, reaching 13°C (55°F).
According to historical data, Trefor experiences 165 rainy days per year, which accounts for 45 percent of all days in the year. On average, there are 14 rainy days each month. The wettest month is November, with 17 rainy days and 110 mm (4.3 inches) of precipitation, while the driest month is July, which typically has 11 rainy days and only 70 mm (2.8 inches) of precipitation.
The average annual water temperature in Celtic Sea in Trefor is 12°C (54°F). In January, the water reaches its lowest point of the year at 7°C (45°F), while in September, it peaks at 19°C (66°F). In Trefor, the water temperature in the Celtic Sea never consistently reaches a comfortable level for swimming in any month.
Geographical Location of Trefor
Nearby Cities
Frequently Asked Questions About Trefor and its Water Temperatures
What is the current sea temperature in Trefor?
The water temperature today in the Celtic Sea in Trefor is 45°F (7°C).
In which months is the water temperature in Trefor comfortable for swimming?
It cannot be guaranteed that the water temperature in Trefor will be comfortable for swimming in any month of the year.
What is the water temperature in Trefor during the winter?
The water temperature in the Celtic Sea in Trefor during the winter ranges from 7°C to 13°C (45°F to 55°F).
What is the water temperature in Trefor during the spring?
The water temperature in the Celtic Sea in Trefor during the spring ranges from 7°C to 14°C (45°F to 57°F).
What is the water temperature in Trefor during the summer?
The water temperature in the Celtic Sea in Trefor during the summer ranges from 11°C to 18°C (52°F to 64°F).
What is the water temperature in Trefor during the fall?
The water temperature in the Celtic Sea in Trefor during the fall ranges from 10°C to 19°C (50°F to 66°F).
Is it possible to swim in the sea in Trefor at any time of the year?
In Trefor, the Celtic Sea is quite cold, and swimming is almost impossible as the water temperature never reaches 21°C (70°F).
What sea temperatures can I expect in Trefor in the next month?
In March, the water temperature in the Celtic Sea in Trefor will range between 45°F (7°C) and 50°F (10°C)