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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

13.1°C
Today
12.7°C
Yesterday
13.2°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 13.1°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 September 6 to October 7

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 3013.2°C18.0°C
OCT 114.2°C13.0°C
OCT 213.3°C13.0°C
OCT 313.5°C13.0°C
OCT 413.3°C13.0°C
OCT 512.9°C13.0°C
OCT 612.7°C13.0°C
OCT 713.3°C13.0°C
OCT 813.0°C13.1°C
OCT 913.0°C13.1°C
OCT 1013.0°C13.1°C
OCT 1113.0°C13.1°C
OCT 1213.0°C13.1°C
OCT 1313.0°C13.1°C
OCT 1413.0°C13.1°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

October 8

° / °
slight rain
rain: 92% | wind:

October 9

° / °
dense intensity drizzle
rain: 94% | wind:

October 10

° / °
light drizzle
rain: 35% | wind:

October 11

° / °
light drizzle
rain: 44% | wind:

October 12

° / °
dense intensity drizzle
rain: 65% | 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 13.1°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.