Cong Weather in January
Thinking of visiting Cong in January? Expect low temperatures reaching 9°C (48°F) during the day, dropping to 3°C (37°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Cong in January
The climate data from previous years indicates about 23 days of rain, averaging 115 mm (4.5 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Cong in January
If you're visiting Cong in January, expect highs of 9°C (48°F) and overnight lows around 3°C (37°F). This month falls in the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. With moderate temperatures, January stands out as the chilliest month of the year.
Sunshine in Cong in January
This month is characterized by fewer sunny days, with about 45 hours of sunshine. It's great for those who appreciate cooler, less sunny days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Cong.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Cong's climate page.
Cong Temperature in January
Min Temperature
3°C (37°F)
Max Temperature
9°C (48°F)
Chance of Rain
77%
Precipitation
115 mm (4.5 in)
Rainy days
23 days
Humidity
90% *
Sunshine
45 hours *
Percentage Sunshine
22% *
Daily Historical Temperatures
50-year average (1976-2026)
Based on our historical records, temperatures in Cong typically stay consistent throughout January, with daily highs averaging around 9°C (48°F). Nights are cold, with lows around 3°C (37°F).
Average temperatures in January
Daily Historical Precipitation
50-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Cong in January
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 January
Based on 25 years of weather observations (2000-2025), these are the most extreme conditions recorded in Cong.
- On January 26, 2003, temperatures climbed to 14°C (57°F), marking the warmest January day on record.
- On January 8, 2010, Cong saw its coldest January day with temperatures maxing out at 0°C (32°F).
- Nighttime temperatures dropped to -8°C (18°F) on January 9, 2010, marking the coldest January night on record.
- The heaviest January precipitation occurred on January 18, 2013, when 27 mm (1.1 in) of precipitation fell.
Best Places in Ireland in January
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in January →
perfect weather
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tolerable
unpleasant
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What to Wear in Cong in January
Dress warmly and in layers for your trip to Cong in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Cong in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Cong's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cong climate overview or explore weather in Ireland.
