All Countries
Weather & Climate in Tywyn, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tywyn experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 41°F in January while summers reach 59°F in July / relatively mild seasonal variation. The area gets 253 sunny days per year, above the national average. Annual precipitation totals 45.6 inches. The city sits at an elevation of 33 feet.
Temperature
41°F Jan (5°C)
59°F Jul (15°C)
| Annual Average | 49.2°F |
| 9% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 253 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 1,076.3 sq mi (2,787.5 km²) |
| Population Density | 288/sq mi |
| Coordinates | 52.5858°N, 4.0928°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
37 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Sep 22, 2002 | 2 km ESE of Wombourn, United Kingdom | M4.8 | 132 km | 9 km |
| Apr 2, 1990 | 4 km NNE of Presteigne, United Kingdom | M4.7 | 81 km | 18 km |
| Oct 25, 1999 | 10 km N of Hirwaun, United Kingdom | M4.5 | 92 km | 10 km |
| Feb 17, 2018 | 5 km NE of Clydach, United Kingdom | M4.3 | 97 km | 12 km |
| Feb 20, 2014 | 17 km NNW of Ilfracombe, United Kingdom | M4.1 | 136 km | 3 km |
| May 29, 2013 | 14 km WSW of Nefyn, United Kingdom | M3.8 | 54 km | 10 km |
| Feb 14, 2005 | 2 km SW of Conwy, United Kingdom | M3.8 | 77 km | 5 km |
| Mar 7, 1996 | 3 km SW of Clive, United Kingdom | M3.8 | 92 km | 10 km |
| May 30, 2022 | 2 km ESE of Prees, United Kingdom | M3.6 | 104 km | 10 km |
| Jul 29, 1992 | 8 km WNW of Caernarfon, United Kingdom | M3.5 | 67 km | 10 km |
| Mar 17, 1994 | 5 km WNW of Newtown, United Kingdom | M3.5 | 49 km | 10 km |
| Feb 12, 2002 | 1 km SSE of Deri, United Kingdom | M3.5 | 114 km | 8 km |
| Oct 10, 2001 | 2 km SSE of Caerphilly, United Kingdom | M3.5 | 130 km | 10 km |
| Jun 20, 2002 | 3 km N of Marshfield, United Kingdom | M3.4 | 133 km | 14 km |
| Feb 24, 2023 | 1 km ENE of Brynmawr, United Kingdom | M3.4 | 108 km | 10 km |
| Sep 1, 1999 | 4 km SSW of Llanfairfechan, United Kingdom | M3.3 | 71 km | 10 km |
| Feb 10, 1994 | 2 km NNE of Tregarth, United Kingdom | M3.3 | 70 km | 10 km |
| Feb 20, 1995 | England, United Kingdom | M3.3 | 140 km | 5 km |
| Jun 16, 1991 | 11 km WSW of Knighton, United Kingdom | M3.3 | 67 km | 10 km |
| Jul 30, 1999 | 2 km ENE of Bargoed, United Kingdom | M3.3 | 117 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 4.5 in | |
| February | 41°F (5°C) | 3.3 in | Coldest |
| March | 43°F (6°C) | 3.8 in | |
| April | 46°F (8°C) | 2.6 in | |
| May | 51°F (11°C) | 2.5 in | Driest |
| June | 56°F (13°C) | 3.0 in | |
| July | 59°F (15°C) | 3.1 in | Warmest |
| August | 59°F (15°C) | 3.7 in | |
| September | 56°F (13°C) | 4.0 in | |
| October | 51°F (11°C) | 4.8 in | |
| November | 46°F (8°C) | 5.2 in | Wettest |
| December | 43°F (6°C) | 5.0 in |
Tywyn has a seasonal temperature swing of 19°F / from 41°F in February to 59°F in July. Total annual precipitation is 45.6 inches, with November being the wettest month (5.2") and May the driest (2.5").