County in Írland

County Roscommon Loftslag and Average Veður

Loftslag of County Roscommon: average temperatures, rainfall and seasons month by month.

☁️ 13°C now🕔 1:16 PM local📅 Best: júlí and ágúst👥 70.000

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).

Recent extremes in County Roscommon

Háttest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.

Hottest day30°Cjún 25, 2026
Coldest night-4°Cjan 8, 2025
Wettest day39 mmnóv 23, 2024

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

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 this means for County Roscommon

Compared með normal

Today is about average for september. The forecast high of 16°C is in line með the 16°C typical for this month.

Rigning chance explained

A 80% chance means rain is expected over most of the area. Plan indoor alternatives.

Ferðir and driving

Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

Northern Hemisphere, so peak summer falls in júní til ágúst.

Worth knowing

The gap between the warmest and coldest month averages 11°C.

What til pack, what til skip

Pack for the next 7 days
  • A packable rain shell - 5 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.

Samantekt

County Roscommon is a county in Írland. County Roscommon is a county in Ireland. Íbúafjöldinn er um 70.000.

Núna er hitinn 13°C (56°F) in County Roscommon með skýjað. Hitinn finnst vera 11°C. Í dag er hitinn frá 11°C til 16°C. Líkur á úrkomu eru 80%. Sightseeing conditions score 7/10 - góðar aðstæður.

Besti tíminn til að heimsækja County Roscommon is júlí and ágúst. Loftslagið er temperate. janúar, febrúar and desember tend til be the least comfortable months. júlí is the warmest month með average highs near 19°C, while janúar is the coldest með lows near 2°C.

The closest major airport is Dublin Airport (DUB), about 137 km away. Nearby highlights include Snjórdonia National Park and Lake District National Park.

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 8 AM til 11 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in County Roscommon today at 8.9/10. 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 Roscommon

TegundCounty
LandÍrland
HeimsálfaEvrópa
Hnit53°45′33.5″N 8°16′5.5″W (53.7593, -8.2682)
Mannfjöldi70.000
Staðartími1:16 PM (UTC+01:00)
Best monthsjúlí and ágúst
LoftslagTemperate

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.

Explore County Roscommon

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 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 13°C (56°F) með skýjað. Raki is 89% and wind is 19 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 1:16 PM.

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 15, 2026 at 1:16 PM 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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