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Weather & Climate in Portarlington, Ireland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Portarlington experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 41°F in January while summers reach 60°F in July / relatively mild seasonal variation. The area gets 267 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 37.9 inches. The city sits at an elevation of 220 feet.
Temperature
41°F Jan (5°C)
60°F Jul (15°C)
| Annual Average | 49.2°F |
| 9% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 60°F (15°C) |
| Sunny Days | 267 days/yr |
Geography
| Elevation | 220 ft (67 m) |
| Area | 234.2 sq mi (606.6 km²) |
| Population Density | 33/sq mi |
| Coordinates | 53.1622°N, 7.1911°W |
| Timezone | Europe/Dublin |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 3.8 in | Coldest |
| February | 41°F (5°C) | 2.9 in | |
| March | 44°F (7°C) | 2.8 in | |
| April | 47°F (8°C) | 2.4 in | Driest |
| May | 51°F (11°C) | 2.6 in | |
| June | 56°F (13°C) | 2.5 in | |
| July | 60°F (15°C) | 2.6 in | Warmest |
| August | 59°F (15°C) | 3.4 in | |
| September | 55°F (13°C) | 3.4 in | |
| October | 50°F (10°C) | 3.8 in | |
| November | 45°F (7°C) | 3.7 in | |
| December | 42°F (6°C) | 4.0 in | Wettest |
Portarlington has a seasonal temperature swing of 19°F / from 41°F in January to 60°F in July. Total annual precipitation is 37.9 inches, with December being the wettest month (4.0") and April the driest (2.4").