Climate of Roscommon, Ireland
Area-weighted average across Roscommon. For where people actually live and travel, see the cities below.
Roscommon, a subdivision of Ireland, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 4.8°C / 40.6°F in January to 15.1°C / 59.2°F in July, with rainfall from 74 mm / 2.9 in to 132 mm / 5.2 in depending on the season (1231 mm / 48.5 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 4.8°C40.6°F | 132 mm5.2″ | — |
| February | 5°C41°F | 101 mm4″ | — |
| March | 6.4°C43.5°F | 105 mm4.1″ | — |
| April | 8°C46.4°F | 74 mm2.9″ | — |
| May | 10.8°C51.4°F | 74 mm2.9″ | — |
| June | 13.2°C55.8°F | 77 mm3″ | — |
| July | 15.1°C59.2°F | 77 mm3″ | — |
| August | 14.8°C58.6°F | 101 mm4″ | — |
| September | 12.7°C54.9°F | 104 mm4.1″ | — |
| October | 9.9°C49.8°F | 129 mm5.1″ | — |
| November | 6.9°C44.4°F | 129 mm5.1″ | — |
| December | 5.5°C41.9°F | 128 mm5″ | — |
Frequently asked questions
What is the best time to visit Roscommon?
Roscommon, Ireland does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 15.1°C / 59.2°F, and the driest is April at 74 mm / 2.9 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Roscommon?
Roscommon, Ireland has area-weighted monthly average temperatures ranging from 4.8°C / 40.6°F in January to 15.1°C / 59.2°F in July. Annual rainfall averages about 1231 mm / 48.5 in, with the wettest month being January (132 mm / 5.2 in) and the driest April (74 mm / 2.9 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Roscommon?
The hottest month in Roscommon is July, with an area-wide average temperature of 15.1°C / 59.2°F.
What is the coldest month in Roscommon?
The coldest month in Roscommon is January, with an area-wide average temperature of 4.8°C / 40.6°F.
When does it rain most in Roscommon?
The wettest month in Roscommon is January, averaging about 132 mm / 5.2 in of rainfall. The driest is April with about 74 mm / 2.9 in.