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Sligo Weather in June
June in Sligo averages 18°C (64°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 111 mm (4.4 in) on average. An umbrella is a good idea.
Rainfall in Sligo in June
Rain is expected on roughly 18 days, totalling around 111 mm (4.4 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 Sligo in June
June in Sligo sees highs of 18°C (64°F) and lows of 10°C (50°F) overnight. June is in the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 10°C (50°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Sligo in June
The month experiences a moderate amount of sunlight, with 139 hours of sunshine. This provides a nice balance between sunshine and clouds.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Sligo Temperature in June
Min Temperature
10°C (50°F)
Max Temperature
18°C (64°F)
Chance of Rain
59%
Precipitation
111 mm (4.4 in)
Rainy days
18 days
Humidity
76% *
Sunshine
139 hours *
Percentage Sunshine
32% *
* Data from: Claremorris, Ireland (70 KM, 43 Miles).
Sligo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sligo - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sligo typically stay consistent throughout June, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 11°C (52°F).
Average temperatures in June
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 June
Historical weather records for Sligo in June
Browse day-by-day weather records for Sligo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sligo historical weather extremes in June
Based on weather observations in Sligo between 1976 and 2026, these are the recorded extremes during June.
- The hottest June day on record in Sligo reached 30°C (86°F) (June 30, 1976).
- The lowest daytime temperature in June was 10°C (50°F), recorded on June 1, 2015.
- The lowest overnight temperature recorded in June was 1°C (34°F) (June 4, 1991).
- Peak precipitation in June occurred on June 8, 2012, when 43 mm (1.7 in) of precipitation was measured.
Best Places in Ireland in June
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in June →
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 Sligo in June
For Sligo in June, 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Sligo in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling5/10 -
Walking5/10 -
Camping6/10 -
Outdoor sports9/10
Sligo 3-Day Forecast
More climate data for Sligo
Temperature Rainfall Sunshine Humidity
See the full Sligo climate overview or explore weather in Ireland.
Popular in June
Where to go in June - average daytime high across popular destinations.
Dublin
18°C (64°F) Galway
18°C (64°F) Kilkenny
18°C (64°F) Westport17°C (63°F) Kenmare18°C (64°F) Cork17°C (63°F) Killarney18°C (64°F) Doolin17°C (63°F) Bucket list
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