Sligo Weather in July
July in Sligo brings pleasant temperatures around 19°C (66°F) during the day, dropping to 12°C (54°F) at night, with quite a bit of rainfall expected, averaging around 120 mm (4.7 in) for the month.
Rainfall in Sligo in July
On average, there are about 19 days with rain during this month, averaging 120 mm (4.7 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Sligo in July
If you're visiting Sligo in July, expect highs of 19°C (66°F) and overnight lows around 12°C (54°F). July is known for being in the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 12°C (54°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. On average, it is the month with the highest temperature of the year.
Sunshine in Sligo in July
The city usually sees around 118 hours of sunlight, indicating a moderately sunny period.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Sligo.
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 Sligo's climate page.
Sligo Temperature in July
Min Temperature
12°C (54°F)
Max Temperature
19°C (66°F)
Chance of Rain
62%
Precipitation
120 mm (4.7 in)
Rainy days
19 days
Humidity
80% *
Sunshine
118 hours *
Percentage Sunshine
25% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sligo typically stay consistent throughout July, with daily highs averaging around 19°C (66°F). Nights are cool, with lows around 12°C (54°F).
Average temperatures in July
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 July
Historical weather for Sligo in July
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 July
Based on 49 years of weather observations in Sligo between 1976 and 2025, these are the recorded extremes.
- Sligo recorded its highest July temperature of 30°C (86°F) on July 12, 2025.
- Sligo experienced its chilliest July day on July 1, 1997, reaching only 10°C (50°F).
- Nighttime temperatures dropped to 4°C (39°F) on July 13, 1980, marking the coldest July night on record.
- The wettest day in July Sligo was on July 23, 1997 with 27 mm (1.1 in) of precipitation.
Best Places in Ireland in July
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in July →
perfect weather
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tolerable
unpleasant
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What to Wear in Sligo in July
For Sligo in July, 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 Sligo in July
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 Sligo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Sligo climate overview or explore weather in Ireland.
