County Roscommon, Ireland Weather
- County Roscommon, Ireland Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- Temperature and possibility of rain in County Roscommon over the next 12 hours
- Temperature and possibility of rain in County Roscommon in the coming days
- Rainfall in County Roscommon in the coming days
- County Roscommon Weather Summary
- Weather averages by month
- County Roscommon's weather
- Frequently asked questions
- Comments
Current conditions
Condition: Overcast
Pressure: 1,004 hPa
Feel like: -1 °C
Temperature: 3°C
Cloud: 100%
Humidity: 96%
Wind: S - 19 km/h
Visibility: 4.68 km
30 Day Averages and Extremes
- Average high 7.6°C
- Average low 3.03°C
- Hottest day 14°C (09 December 2025)
- Coldest day 0°C (29 November 2025)
- Average humidity 89.63%
- Days with precipitation 28 days
- Highest precipitation 85 mm (14 December 2025)
Yesterday's Data
- Max: 7°C
- Min: 2°C
- Total Precipitation: 0 mm
Temperature and possibility of rain in County Roscommon over the next 12 hours
Temperature and possibility of rain in County Roscommon in the coming days
Rainfall in County Roscommon in the coming days
County Roscommon Climate Summary
County Roscommon features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 9.92ºC (49.86ºF), which is about -0.18% lower than the national average for Ireland. Annually, the city experiences approximately 81.47 millimeters (3.21 inches) of rainfall, spread across 193.18 rainy days, accounting for 52.93% of the year.
| Longitude | 53.7592604 |
| Latitude | -8.2681621 |
| Yearly high temperature | 12.16ºC (53.89ºF) |
| Yearly low temperature | 5.69ºC (42.24ºF) |
| Hottest month | June 16.58ºC (61.84ºF) |
| Coldest month | December 2.78ºC (37.0ºF) |
| Yearly precip | 81.47mm (3.21in) |
| Days with rainfall | 193.18 days (52.93%) |
| Driest month | April (84.41%) |
| Wettest month | August (88.6%) |
Weather averages by month
| Month | High / Low (°C) | Rain |
|---|---|---|
| January | 6.85° / 2.16° | 16.64 days |
| February | 7.77° / 1.93° | 15.18 days |
| March | 9.23° / 2.26° | 13.27 days |
| April | 12.04° / 3.74° | 13.36 days |
| May | 14.19° / 6.29° | 16.45 days |
| June | 16.58° / 8.72° | 18.0 days |
| July | 17.74° / 10.58° | 18.27 days |
| August | 17.16° / 10.25° | 20.27 days |
| September | 15.54° / 8.79° | 14.73 days |
| October | 12.68° / 6.67° | 15.64 days |
| November | 9.07° / 4.08° | 14.55 days |
| December | 7.11° / 2.78° | 16.82 days |
County Roscommon's weather
- County Dublin
- County Limerick
- County Cork
- County Galway
- County Waterford
- County Louth
- County Mayo
- County Westmeath
- County Donegal
- County Longford
- County Meath
- County Sligo
- County Monaghan
- County Laois
- County Leitrim
- County Kilkenny
- County Offaly
- County Carlow
- County Wexford
- County Kerry
- County Cavan
- County Tipperary
- County Clare
- County Kildare
- County Wicklow
Frequently asked questions
1. What is the hottest month in County Roscommon?
June has the highest average monthly temperature (daily mean of 16.58ºC) and December are the coolest (daily mean of 2.78ºC).
2. What should I wear in County Roscommon today?
For today's cool weather in County Roscommon, with temperatures between 8ºC to 11ºC (46.4ºF to 51.8ºF), you should consider wearing:
- Comfortable pants or jeans
- Light scarf or wrap
- Casual shoes or sneakers
- Knit hat (optional for cooler mornings)
Temperature
Air quality
Satisfactory air quality, minimal pollution, low risk
- CO2 445
- CO 137
- NH3 0
- NO2 0
- O3 65
- PM10 9
- PM25 3
- SO2 0
- CH4 1,405