County Louth Climate and Average Weather
Climate of County Louth: average temperatures, rainfall and seasons month by month.
Climate in County Louth 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 | 45° | 37° | 3,7 in | ★★☆☆☆ |
| February | 49° | 40° | 3,6 in | ★★★☆☆ |
| March | 52° | 40° | 3,1 in | ★★★☆☆ |
| April | 55° | 42° | 3,6 in | ★★★☆☆ |
| May | 61° | 48° | 2,2 in | ★★★★☆ |
| June | 64° | 51° | 4,1 in | ★★★★☆ |
| July | 68° | 55° | 2,8 in | ★★★★☆ |
| August | 67° | 54° | 2,6 in | ★★★★☆ |
| September | 62° | 51° | 4,2 in | ★★★★☆ |
| October | 58° | 48° | 4,3 in | ★★★☆☆ |
| November | 51° | 41° | 3,7 in | ★★★☆☆ |
| December | 49° | 41° | 3,4 in | ★★★☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Recent extremes in County Louth
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How County Louth compares with nearby places
Annual averages, and the difference against County Louth.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| County Meath | 23 mi | 51°F | about the same | 39 in |
| County Monaghan | 30 mi | 50°F | 33°F cooler | 41 in |
| County Cavan | 36 mi | 50°F | 33°F cooler | 43 in |
| Dublin Airport | 36 mi | 52°F | about the same | 39 in |
| County Dublin | 41 mi | 53°F | +33°F warmer | 42 in |
Best time to visit County Louth
Go in May, June, July and August. 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 Louth
Today is slightly cooler than average for August. The forecast high of 64°F is 3.2°F below the 67°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 53°F.
What to pack, what to skip
- A packable rain shell - 5 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
County Louth is a county in Ireland. County Louth is a county in Ireland. It has a population of about 139.000.
Right now it is 53°F (12°C) in County Louth with overcast. It feels like 51°F. Today runs from 49°F to 64°F. Chance of precipitation is 2%. Sightseeing conditions score 9.2/10 - excellent - go now.
The best time to visit County Louth is May, June, July and August. The climate is temperate. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 68°F, while January is the coldest with lows near 37°F.
The closest major airport is Dublin Airport (DUB), about 36 mi away. Nearby highlights include Snowdonia National Park, Lake District National Park, Edinburgh Castle and Old and New Towns of Edinburgh.
In plain terms. Today is slightly cooler than average for August. The forecast high of 64°F is 3.2°F below the 67°F typical for this month. The best window to be outside is roughly 12 PM to 3 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in County Louth today at 9.8/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about County Louth
Weather map for County Louth
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 Louth
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 Louth?
County Louth is a county in Ireland. Its coordinates are 53.9252, -6.4889. It lies in Europe.
What is the weather like in County Louth right now?
It is currently 53°F (12°C) with overcast. Humidity is 84% and wind is 3 mph.
When is the best time to visit County Louth?
May, June, July and August offer the most comfortable conditions in County Louth, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is County Louth in?
County Louth observes Europe/Dublin (UTC+01:00). The local time is 2:08 AM.
How many people live in County Louth?
County Louth has a population of approximately 139.000.
What is the nearest airport to County Louth?
The closest airports are Dublin Airport (DUB), 36 mi away and London Heathrow Airport (LHR), 304 mi away.
What are the top things to do in County Louth?
Popular options include Snowdonia National Park, Lake District National Park, Edinburgh Castle, Old and New Towns of Edinburgh, Isle of Skye and Loch Ness.
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 August 23, 2026 at 2:08 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
