County Donegal Loftslag and Average Veður
Loftslag of County Donegal: average temperatures, rainfall and seasons month by month.
Loftslag in County Donegal month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 6° | 2° | 136 mm | ★★☆☆☆ |
| febrúar | 8° | 4° | 179 mm | ★★☆☆☆ |
| mars | 10° | 4° | 135 mm | ★★★☆☆ |
| apríl | 12° | 5° | 144 mm | ★★★☆☆ |
| maí | 15° | 8° | 105 mm | ★★★★☆ |
| júní | 16° | 10° | 183 mm | ★★★☆☆ |
| júlí | 18° | 12° | 129 mm | ★★★★☆ |
| ágúst | 17° | 12° | 161 mm | ★★★☆☆ |
| september | 16° | 10° | 167 mm | ★★★☆☆ |
| október | 13° | 9° | 181 mm | ★★★☆☆ |
| nóvember | 10° | 5° | 166 mm | ★★☆☆☆ |
| desember | 8° | 5° | 214 mm | ★★☆☆☆ |
Loftslag type: Temperate. Heimild: Open-Meteo archive (ERA5).
Recent extremes in County Donegal
Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How County Donegal compares með nearby places
Annual averages, and the difference against County Donegal.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Sligo | 48 km | 10°C | about the same | 1660 mm |
| County Sligo | 48 km | 10°C | about the same | 1660 mm |
| County Leitrim | 59 km | 10°C | about the same | 1553 mm |
| County mán.aghan | 86 km | 10°C | about the same | 1037 mm |
| County Cavan | 88 km | 10°C | about the same | 1083 mm |
Best time til visit County Donegal
Go in maí and júlí. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, febrúar and desember - expect the least comfortable mix of heat, cold or rain.
What this means for County Donegal
Today is about average for september. The forecast high of 16°C is in line með the 16°C typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in júní til ágúst.
The gap between the warmest and coldest month averages 11°C.
What til pack, what til skip
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
Samantekt
County Donegal is a county in Írland. County Donegal is a county in Ireland. Íbúafjöldinn er um 167.000.
Núna er hitinn 15°C (58°F) in County Donegal með skýjað að hluta. Hitinn finnst vera 11°C. Í dag er hitinn frá 13°C til 16°C. Líkur á úrkomu eru 100%. Sightseeing conditions score 6.6/10 - sæmilegt — skipuleggðu eftir veðri.
Besti tíminn til að heimsækja County Donegal is maí and júlí. Loftslagið er temperate. janúar, febrúar and desember tend til be the least comfortable months. júlí is the warmest month með average highs near 18°C, while janúar is the coldest með lows near 2°C.
The closest major airport is Dublin Airport (DUB), about 182 km away. Nearby highlights include Isle of Skye, Lake District National Park, Snjórdonia National Park and Edinburgh Castle.
Í einföldu máli. Today is about average for september. The forecast high of 16°C is in line með the 16°C typical for this month. The best window til be outside is roughly 9 AM til 12 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in County Donegal today at 8.5/10. 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 Donegal
Veður map for County Donegal
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.
Explore County Donegal
Every topic we hold for this place, and the same topic for the places around it.
Loftslag for related places
Frequently asked questions
Where is County Donegal?
County Donegal is a county in Írland. Its coordinates are 54.6538, -8.1096. It lies in Evrópa.
What is the weather like in County Donegal núna?
It is currently 15°C (58°F) með skýjað að hluta. Raki is 76% and wind is 25 km/h.
When is the best time til visit County Donegal?
maí and júlí offer the most comfortable conditions in County Donegal, which has a temperate climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.
What time zone is County Donegal in?
County Donegal observes Europe/Dublin (UTC+01:00). The local time is 12:25 PM.
How many people live in County Donegal?
County Donegal has a population of approximately 167.000.
What is the nearest airport til County Donegal?
The closest airports are Dublin Airport (DUB), 182 km away.
What are the top things til do in County Donegal?
Popular options include Isle of Skye, Lake District National Park, Snjórdonia National Park, Edinburgh Castle, Old and New Towns of Edinburgh and Loch Ness.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (ie-counties) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag 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 september 15, 2026 at 12:25 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
