Climate averages 1991–2020
Limerick weather
in January.
A cool, wet month: the coolest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cool month in Limerick: daytime highs average 8.1°C and nights cool to about 3.5°C. By daytime temperature it is the coolest month of the year.
Expect about 94 mm of rain on roughly 15 days, which makes January a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 14 min on an average January day.
The nearest other city in this atlas is Galway (73 km away). In January its highs average 8.0°C, about as warm as Limerick, with 99 mm of rain.
Among the 5 cities listed in Ireland, Limerick ranks 2nd of 5 for the warmest January highs and 4th of 5 for the driest January (rainfall, lowest first). The mean January high of those 5 cities is 8.0°C; Limerick is 0.1°C warmer than that mean.
From January to February, average highs rise by 0.5°C to 8.6°C, and monthly rainfall falls from 94 mm to 80 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Limerick climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 8.1°C3.5°C | 3.5°C | 94 | 15.4 | 8.28 h |
| February | 8.6°C3.3°C | 3.3°C | 80 | 13.1 | 9.810 h |
| March | 10.2°C4.0°C | 4.0°C | 76 | 13.5 | 11.812 h |
| April | 12.5°C5.6°C | 5.6°C | 76 | 13.6 | 13.914 h |
| May | 15.2°C8.3°C | 8.3°C | 77 | 14.2 | 15.716 h |
| June | 17.5°C10.9°C | 10.9°C | 77 | 12.6 | 16.817 h |
| July | 18.7°C12.6°C | 12.6°C | 83 | 14.2 | 16.316 h |
| August | 18.4°C12.4°C | 12.4°C | 89 | 14.0 | 14.715 h |
| September | 16.5°C10.8°C | 10.8°C | 76 | 12.7 | 12.713 h |
| October | 13.4°C8.2°C | 8.2°C | 89 | 14.1 | 10.711 h |
| November | 10.2°C5.5°C | 5.5°C | 96 | 15.0 | 8.89 h |
| December | 8.4°C3.9°C | 3.9°C | 99 | 15.0 | 7.78 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Galway in JanuaryIreland · 73 kmHigh 8.0°C · Low 3.8°C · 99 mm rain
- Cork in JanuaryIreland · 86 kmHigh 8.7°C · Low 4.7°C · 79 mm rain
- Tallaght in JanuaryIreland · 166 kmHigh 7.3°C · Low 3.0°C · 69 mm rain
- Dublin in JanuaryIreland · 175 kmHigh 7.8°C · Low 3.5°C · 69 mm rain
- Lisburn in JanuaryUnited Kingdom · 268 kmHigh 7.1°C · Low 3.2°C · 77 mm rain
- Derry in JanuaryUnited Kingdom · 273 kmHigh 7.1°C · Low 3.0°C · 87 mm rain
- Belfast in JanuaryUnited Kingdom · 279 kmHigh 7.5°C · Low 3.9°C · 77 mm rain
- Douglas in JanuaryIsle of Man · 320 kmHigh 8.1°C · Low 5.8°C · 97 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Limerick) is explained once on the Limerick year overview and on the Sources, method and limits page.