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Cong Weather in August
August in Cong brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 11°C (52°F). Rainfall is on the higher side this month, averaging around 110 mm (4.3 in), so keep a rain jacket handy.
Rainfall in Cong in August
Past climate data indicates that roughly 20 days will see rain, totalling around 110 mm (4.3 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Cong in August
Expect highs of 19°C (66°F) in Cong in August, with nights dropping to around 11°C (52°F). During August, the summer season is in full swing. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Cong in August
The area experiences a moderate amount of sunshine, with approximately 118 hours of sunlight expected. This means a decent mix of sun and overcast.Should you favor a climate that's both dry and comfortably warm, September typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Cong Temperature in August
Min Temperature
11°C (52°F)
Max Temperature
19°C (66°F)
Chance of Rain
67%
Precipitation
110 mm (4.3 in)
Rainy days
20 days
Humidity
81% *
Sunshine
118 hours *
Percentage Sunshine
30% *
* Data from: Claremorris, Ireland (28 KM, 17 Miles).
Cong Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cong - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cong typically stay consistent throughout August, with daily highs averaging around 19°C (66°F). Nights are cool, with lows around 11°C (52°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Cong in August
Browse day-by-day weather records for Cong spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cong historical weather extremes in August
Based on weather observations in Cong between 1976 and 2026, these are the recorded extremes during August.
- The warmest day in August was on August 8, 2003, with a maximum of 29°C (84°F).
- Cong experienced its chilliest August day on August 30, 1997, reaching only 10°C (50°F).
- Nighttime temperatures dropped to 3°C (37°F) on August 24, 1980, marking the coldest August night on record.
- The wettest day in August Cong was on August 17, 1994 with 38 mm (1.5 in) of precipitation.
Best Places in Ireland in August
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Cong in August
For Cong in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Cong in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Cong 3-Day Forecast
More climate data for Cong
Temperature Rainfall Sunshine Humidity
See the full Cong climate overview or explore weather in Ireland.
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Where to go in August - average daytime high across popular destinations.
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