County Sligo Climate and Average Weather
Climate of County Sligo: average temperatures, rainfall and seasons month by month.
Climate in County Sligo month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 44° | 36° | 4,9 in | ★★☆☆☆ |
| February | 47° | 39° | 5,4 in | ★★☆☆☆ |
| March | 51° | 39° | 5,0 in | ★★★☆☆ |
| April | 54° | 42° | 5,5 in | ★★★☆☆ |
| May | 59° | 47° | 4,2 in | ★★★★☆ |
| June | 60° | 50° | 6,7 in | ★★★☆☆ |
| July | 64° | 54° | 4,5 in | ★★★★☆ |
| August | 64° | 53° | 6,5 in | ★★★☆☆ |
| September | 60° | 50° | 4,5 in | ★★★☆☆ |
| October | 55° | 47° | 6,1 in | ★★★☆☆ |
| November | 49° | 42° | 5,7 in | ★★☆☆☆ |
| December | 47° | 40° | 6,9 in | ★★☆☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Recent extremes in County Sligo
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How County Sligo compares with nearby places
Annual averages, and the difference against County Sligo.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| County Leitrim | 22 mi | 49°F | about the same | 61 in |
| County Donegal | 30 mi | 50°F | about the same | 76 in |
| County Roscommon | 37 mi | 50°F | about the same | 46 in |
| County Mayo | 47 mi | 51°F | +33°F warmer | 56 in |
| County Longford | 47 mi | 50°F | about the same | 46 in |
Climate by city in County Sligo
1 cities mapped in this atlas
Best time to visit County Sligo
Go in May and July. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for County Sligo
Today is about average for October. The forecast high of 56°F is in line with the 55°F typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives. Around 0,8 in is forecast, which is enough to soak trails and slow traffic.
Gusts to 66 mph will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 51°F.
What to pack, what to skip
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 66 mph.
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
County Sligo is a county in Ireland. County Sligo is a county in Ireland. It has a population of about 70.000.
Right now it is 46°F (8°C) in County Sligo with overcast. It feels like 41°F. Today runs from 45°F to 56°F. Chance of precipitation is 100%. Sightseeing conditions score 5.8/10 - fair - plan around the weather.
The best time to visit County Sligo is May and July. The climate is temperate. January, February and December tend to be the least comfortable months. August is the warmest month with average highs near 64°F, while January is the coldest with lows near 36°F.
The closest major airport is Dublin Airport (DUB), about 108 mi away. Nearby highlights include Snowdonia National Park, Lake District National Park, Isle of Skye and Edinburgh Castle.
In plain terms. Today is about average for October. The forecast high of 56°F is in line with the 55°F typical for this month. The best window to be outside is roughly 11 AM to 2 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in County Sligo today at 9.3/10. Gusts to 66 mph will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about County Sligo
Weather map for County Sligo
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore County Sligo
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is County Sligo?
County Sligo is a county in Ireland. Its coordinates are 54.2766, -8.4761. It lies in Europe.
What is the weather like in County Sligo right now?
It is currently 46°F (8°C) with overcast. Humidity is 88% and wind is 7 mph.
When is the best time to visit County Sligo?
May and July offer the most comfortable conditions in County Sligo, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is County Sligo in?
County Sligo observes Europe/Dublin (UTC+01:00). The local time is 2:12 AM.
How many people live in County Sligo?
County Sligo has a population of approximately 70.000.
What is the nearest airport to County Sligo?
The closest airports are Dublin Airport (DUB), 108 mi away.
What are the top things to do in County Sligo?
Popular options include Snowdonia National Park, Lake District National Park, Isle of Skye, Edinburgh Castle and Old and New Towns of Edinburgh.
What places are in County Sligo?
County Sligo covers 1 places in this atlas, including Sligo.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (ie-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 24, 2026 at 2:12 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
