Ireland's seasons, county by county
Winter is December to February, spring March to May, summer June to August and autumn September to November. Rainfall is the total for the three months; temperature is the average daytime high.
Figures are averages for 2021–2025 at each county town, from the ERA5 weather reanalysis via Open-Meteo. They describe typical lowland weather in each county; hills and exposed coasts are wetter and windier.
| County | Winter | Spring | Summer | Autumn |
|---|---|---|---|---|
| Leinster | ||||
| Carlow | 247 | 227 | 204 | 307 |
| Dublin | 229 | 227 | 235 | 309 |
| Kildare | 238 | 224 | 216 | 293 |
| Kilkenny | 267 | 236 | 210 | 333 |
| Laois | 243 | 224 | 211 | 298 |
| Longford | 292 | 265 | 294 | 343 |
| Louth | 242 | 240 | 250 | 331 |
| Meath | 227 | 230 | 238 | 283 |
| Offaly | 263 | 245 | 247 | 309 |
| Westmeath | 258 | 245 | 269 | 307 |
| Wexford | 311 | 269 | 219 | 402 |
| Wicklow | 274 | 270 | 217 | 371 |
| Munster | ||||
| Clare | 351 | 278 | 300 | 399 |
| Cork | 357 | 288 | 247 | 453 |
| Kerry | 445 | 333 | 390 | 459 |
| Limerick | 375 | 290 | 315 | 426 |
| Tipperary | 265 | 223 | 208 | 323 |
| Waterford | 311 | 293 | 235 | 416 |
| Connacht | ||||
| Galway | 378 | 286 | 340 | 420 |
| Leitrim | 304 | 264 | 303 | 360 |
| Mayo | 387 | 293 | 346 | 416 |
| Roscommon | 286 | 260 | 290 | 340 |
| Sligo | 430 | 351 | 444 | 445 |
| Ulster | ||||
| Cavan | 261 | 252 | 271 | 322 |
| Donegal | 313 | 262 | 305 | 331 |
| Monaghan | 241 | 239 | 273 | 311 |
| Antrim | 244 | 227 | 268 | 308 |
| Armagh | 223 | 229 | 262 | 294 |
| Down | 246 | 235 | 256 | 334 |
| Fermanagh | 307 | 269 | 297 | 343 |
| Derry | 312 | 253 | 299 | 322 |
| Tyrone | 296 | 269 | 297 | 338 |
| County | Winter | Spring | Summer | Autumn |
|---|---|---|---|---|
| Leinster | ||||
| Carlow | 8 | 13 | 19 | 14 |
| Dublin | 9 | 13 | 19 | 14 |
| Kildare | 8 | 13 | 19 | 14 |
| Kilkenny | 8 | 13 | 19 | 14 |
| Laois | 8 | 13 | 19 | 14 |
| Longford | 8 | 13 | 19 | 14 |
| Louth | 8 | 13 | 19 | 14 |
| Meath | 8 | 13 | 19 | 14 |
| Offaly | 8 | 13 | 19 | 14 |
| Westmeath | 8 | 13 | 19 | 13 |
| Wexford | 9 | 13 | 19 | 14 |
| Wicklow | 9 | 12 | 18 | 14 |
| Munster | ||||
| Clare | 9 | 14 | 19 | 14 |
| Cork | 9 | 13 | 19 | 14 |
| Kerry | 9 | 13 | 18 | 14 |
| Limerick | 9 | 13 | 19 | 14 |
| Tipperary | 8 | 13 | 19 | 14 |
| Waterford | 9 | 13 | 19 | 14 |
| Connacht | ||||
| Galway | 9 | 13 | 18 | 14 |
| Leitrim | 8 | 13 | 19 | 14 |
| Mayo | 9 | 13 | 18 | 14 |
| Roscommon | 8 | 13 | 19 | 14 |
| Sligo | 8 | 12 | 17 | 13 |
| Ulster | ||||
| Cavan | 8 | 13 | 19 | 14 |
| Donegal | 8 | 12 | 18 | 13 |
| Monaghan | 8 | 13 | 19 | 13 |
| Antrim | 8 | 12 | 18 | 13 |
| Armagh | 8 | 13 | 19 | 14 |
| Down | 8 | 12 | 18 | 14 |
| Fermanagh | 8 | 13 | 18 | 13 |
| Derry | 8 | 12 | 18 | 13 |
| Tyrone | 7 | 12 | 18 | 13 |
| County | Winter | Spring | Summer | Autumn |
|---|---|---|---|---|
| Leinster | ||||
| Carlow | 3.9 | 8.1 | 9.4 | 5.4 |
| Dublin | 4.1 | 9.2 | 10.7 | 6.1 |
| Kildare | 3.6 | 8.3 | 9.5 | 5.6 |
| Kilkenny | 3.9 | 8.1 | 9.5 | 5.4 |
| Laois | 3.8 | 8.2 | 9.5 | 5.5 |
| Longford | 3.7 | 8.0 | 9.1 | 5.5 |
| Louth | 3.8 | 8.5 | 9.8 | 5.6 |
| Meath | 3.8 | 8.4 | 9.6 | 5.6 |
| Offaly | 3.6 | 8.1 | 9.1 | 5.5 |
| Westmeath | 3.7 | 8.2 | 9.3 | 5.5 |
| Wexford | 4.2 | 9.1 | 10.8 | 6.1 |
| Wicklow | 3.9 | 9.1 | 10.8 | 5.9 |
| Munster | ||||
| Clare | 3.7 | 8.0 | 8.8 | 5.4 |
| Cork | 4.0 | 8.4 | 9.5 | 5.6 |
| Kerry | 3.8 | 8.4 | 8.8 | 5.5 |
| Limerick | 3.8 | 8.0 | 8.8 | 5.5 |
| Tipperary | 3.8 | 8.1 | 9.5 | 5.5 |
| Waterford | 4.0 | 8.5 | 10.1 | 5.7 |
| Connacht | ||||
| Galway | 3.8 | 8.3 | 9.3 | 5.5 |
| Leitrim | 3.6 | 8.0 | 8.9 | 5.3 |
| Mayo | 3.4 | 7.8 | 8.6 | 5.1 |
| Roscommon | 3.6 | 7.8 | 8.7 | 5.3 |
| Sligo | 3.3 | 8.0 | 8.5 | 4.9 |
| Ulster | ||||
| Cavan | 3.6 | 8.0 | 9.2 | 5.3 |
| Donegal | 3.3 | 7.7 | 8.3 | 4.9 |
| Monaghan | 3.5 | 8.0 | 9.2 | 5.3 |
| Antrim | 3.8 | 8.9 | 10.4 | 5.7 |
| Armagh | 3.6 | 8.2 | 9.4 | 5.4 |
| Down | 3.9 | 9.0 | 10.5 | 5.9 |
| Fermanagh | 3.4 | 7.8 | 8.8 | 5.1 |
| Derry | 3.4 | 7.9 | 8.4 | 5.0 |
| Tyrone | 3.4 | 7.7 | 8.6 | 5.0 |