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Caragh Lake — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Caragh Lake, trends, monthly ranges and the forecast for the coming days.

Caragh Lake, Republic of Ireland
Caragh Lake, Republic of Ireland © By MasterJ69, CC BY-SA 4.0

Current Water Temperature

17.8°C
Today
17.9°C
Yesterday
16.7°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Caragh Lake today is 17.8°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 Over the Last 30 Days

From June 1 to July 2

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2516.7°C20.4°C
JUN 2617.1°C20.4°C
JUN 2717.6°C20.4°C
JUN 2818.1°C20.4°C
JUN 2918.0°C20.4°C
JUN 3018.3°C20.4°C
JUL 117.9°C22.0°C
JUL 217.8°C22.0°C
JUL 322.0°C18.0°C
JUL 422.0°C18.2°C
JUL 522.0°C18.4°C
JUL 622.0°C18.6°C
JUL 722.0°C18.9°C
JUL 822.0°C19.1°C
JUL 922.0°C19.3°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

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 to enhance accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January0°C4°C9°C
February1°C5°C10°C
March3°C7°C11°C
April7°C11°C15°C
May12°C18°C23°C
June14°C20°C26°C
July17°C22°C27°C
August17°C22°C27°C
September12°C18°C23°C
October9°C13°C17°C
November4°C8°C13°C
December6°C4°C11°C

Caragh Lake: Water Temperature by Location

Caragh Lake: Weather Forecast

July 3

° / °
overcast
rain: 4% | wind:

July 4

° / °
overcast
rain: 15% | wind:

July 5

° / °
overcast
rain: 4% | wind:

July 6

° / °
fog
rain: 6% | wind:

July 7

° / °
overcast
rain: 6% | wind:

Location & Local Information

Caragh Lake, located in County Kerry near Glenbeigh, lies within a scenic valley framed by the MacGillycuddy’s Reeks and Seefin Mountains. Fed by clear mountain streams, the lake remains cool throughout the year. In winter, water temperatures usually range between 4–7°C (39–45°F), while in summer they rise to around 14–17°C (57–63°F). On warm, calm days in July or August, sheltered bays may briefly reach 18°C (64°F), though the deeper parts stay much colder. The surrounding uplands and the lake’s outflow into the River Caragh keep the water fresh and clean, making the summer months the most comfortable for swimming or other water activities.

Swimming is allowed in Caragh Lake, though it is best suited to confident swimmers because the lake can be deep and temperatures drop quickly below the surface. Wetsuits are commonly used, especially outside midsummer, and calm days are preferred for safety. The peaceful atmosphere and clear water attract outdoor enthusiasts who also enjoy kayaking, paddleboarding, and fishing. Beyond swimming, visitors can explore the nearby village of Glenbeigh, hike the scenic Kerry Way trail, or visit Rossbeigh Beach on the Atlantic coast. Together, these attractions make Caragh Lake a serene and invigorating destination in southwest Ireland.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Caragh Lake?
Water Temperature in Caragh Lake today is 17.8°C.
What is the water temperature in Caragh Lake during the summer months?
The water temperature in Caragh Lake in summer fluctuates in the range of 14°C - 27°C.
Is it possible to swim in Caragh Lake (Republic of Ireland) and what are the possibilities for this?
Yes — Caragh Lake can be used for swimming, mainly as wild/open-water swimming from rocky shores, small beaches or from boats and kayaks and at occasional local organised swims, but the water is often cold, formal facilities and lifeguards are limited, and you should check local access, conditions and safety precautions before entering.