County in Írland

County Roscommon Veður Spá

County Roscommon weather: 12°C, skýjað. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.

☁️ 12°C now🕔 10:05 AM local📅 Best: júlí and ágúst👥 70.000

County Roscommon weather in september

16°
average high · low 10°C
★★★★
ranked #5 of 12 months

A good month til visit County Roscommon.

Average high16°C
Average low10°C
Mean13°C
Rigningfall101 mm

september runs 3°C warmer than the annual average in County Roscommon.

Veður map for County Roscommon

Animated model layers. Pick a layer til load it.

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Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.

Loftslag in County Roscommon month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmaraprágsepoktdesLine: average high · Bars: rainfall
MánuðurAvg highAvg lowRigningfallRating
janúar94 mm★★☆☆☆
febrúar103 mm★★★☆☆
mars11°93 mm★★★☆☆
apríl13°108 mm★★★☆☆
maí16°74 mm★★★★
júní17°10°113 mm★★★★
júlí19°12°66 mm★★★★
ágúst18°12°75 mm★★★★
september16°10°101 mm★★★★
október13°125 mm★★★☆☆
nóvember10°107 mm★★★☆☆
desember120 mm★★☆☆☆

Loftslag type: Temperate. Heimild: Open-Meteo archive (ERA5).

Best time til visit County Roscommon

Go in júlí and ágúst. 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.

janúar★★☆☆☆
febrúar★★★☆☆
mars★★★☆☆
apríl★★★☆☆
maí★★★★
júní★★★★
júlí★★★★
ágúst★★★★
september★★★★
október★★★☆☆
nóvember★★★☆☆
desember★★☆☆☆

What til pack, what til skip

Pack for the next 7 days
  • A packable rain shell - 4 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.

How County Roscommon compares með nearby places

Annual averages, and the difference against County Roscommon.

PlaceDistanceAvg tempvs hereAnnual rain
County Longford31 km10°Cabout the same1179 mm
County Leitrim44 km10°C1°C cooler1553 mm
County Westmeath59 km10°Cabout the same1062 mm
County Sligo59 km10°Cabout the same1660 mm
Sligo59 km10°Cabout the same1660 mm

Sjá spá fyrir County Roscommon eftir tímabili

County Roscommon weather - more answers

Explore County Roscommon

Every topic we hold for this place, and the same topic for the places around it.

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Frequently asked questions

Where is County Roscommon?

County Roscommon is a county in Írland. Its coordinates are 53.7593, -8.2682. It lies in Evrópa.

What is the weather like in County Roscommon núna?

It is currently 12°C (54°F) með skýjað. Raki is 90% and wind is 14 km/h.

When is the best time til visit County Roscommon?

júlí and ágúst offer the most comfortable conditions in County Roscommon, which has a temperate climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.

What time zone is County Roscommon in?

County Roscommon observes Europe/Dublin (UTC+01:00). The local time is 10:05 AM.

How many people live in County Roscommon?

County Roscommon has a population of approximately 70.000.

What is the nearest airport til County Roscommon?

The closest airports are Dublin Airport (DUB), 137 km away.

What are the top things til do in County Roscommon?

Popular options include Snjórdonia National Park and Lake District National Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (ie-counties) - coordinates, hierarchy and facts.
Spá and observationsOpen-Meteo (ECMWF and national models).
Loftgæði and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Loftslag averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, 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 16, 2026 at 10:05 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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