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Weather & Climate in Roundwood, Ireland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Roundwood experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 39°F in January while summers reach 57°F in July / relatively mild seasonal variation. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 48.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 860 feet.
Temperature
39°F Jan (4°C)
57°F Jul (14°C)
| Annual Average | 46.9°F |
| 13% below US avg | |
| January Average | 39°F (4°C) |
| July Average | 57°F (14°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 860 ft (262 m) |
| Area | 35.9 sq mi (92.9 km²) |
| Population Density | 23/sq mi |
| Coordinates | 53.0586°N, 6.2261°W |
| Timezone | Europe/Dublin |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| May 29, 2013 | 14 km WSW of Nefyn, United Kingdom | M3.8 | 103 km | 10 km |
| Jul 29, 1992 | 8 km WNW of Caernarfon, United Kingdom | M3.5 | 123 km | 10 km |
| Feb 10, 1994 | 2 km NNE of Tregarth, United Kingdom | M3.3 | 144 km | 10 km |
| Sep 1, 1999 | 4 km SSW of Llanfairfechan, United Kingdom | M3.3 | 149 km | 10 km |
| May 26, 2015 | 6 km WSW of Caernarfon, United Kingdom | M3.0 | 125 km | 9 km |
| Jun 26, 2013 | 14 km WSW of Nefyn, United Kingdom | M2.8 | 103 km | 8 km |
| Oct 16, 1998 | 1 km WSW of Y Felinheli, United Kingdom | M2.7 | 134 km | 12 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 5.2 in | Coldest |
| February | 39°F (4°C) | 3.9 in | |
| March | 41°F (5°C) | 3.8 in | |
| April | 44°F (7°C) | 3.2 in | |
| May | 49°F (9°C) | 3.4 in | |
| June | 54°F (12°C) | 3.0 in | |
| July | 57°F (14°C) | 2.9 in | Warmest, Driest |
| August | 57°F (14°C) | 3.8 in | |
| September | 53°F (12°C) | 4.1 in | |
| October | 48°F (9°C) | 4.9 in | |
| November | 43°F (6°C) | 4.7 in | |
| December | 40°F (5°C) | 5.2 in | Wettest |
Roundwood has a seasonal temperature swing of 18°F / from 39°F in January to 57°F in July. Total annual precipitation is 48.2 inches, with December being the wettest month (5.2") and July the driest (2.9").