All Countries
Weather & Climate in Perth, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Perth experiences four distinct seasons with an average annual temperature of 47°F (9°C). Winters average 37°F in January while summers reach 59°F in July. The area gets 280 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 30.8 inches. The city sits at an elevation of 33 feet.
Temperature
37°F Jan (3°C)
59°F Jul (15°C)
| Annual Average | 47.3°F |
| 12% below US avg | |
| January Average | 37°F (3°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 280 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 176.3 sq mi (456.5 km²) |
| Population Density | 269/sq mi |
| Coordinates | 56.3952°N, 3.4314°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
11 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Aug 4, 2017 | 31 km NE of Tobermory, United Kingdom | M3.8 | 149 km | 7 km |
| Jun 20, 2003 | 12 km NNW of Balfron, United Kingdom | M3.0 | 66 km | 5 km |
| May 18, 2013 | 27 km NE of Tobermory, United Kingdom | M2.9 | 146 km | 10 km |
| May 13, 2001 | 3 km W of Locharbriggs, United Kingdom | M2.9 | 144 km | 12 km |
| Jun 20, 2003 | 14 km NNW of Balfron, United Kingdom | M2.8 | 67 km | 5 km |
| Mar 7, 1998 | 13 km E of Oban, United Kingdom | M2.7 | 113 km | 9 km |
| Nov 30, 1997 | 4 km NNE of Kippen, United Kingdom | M2.7 | 50 km | 10 km |
| Aug 28, 1995 | 5 km NNW of Aviemore, United Kingdom | M2.7 | 97 km | 10 km |
| Nov 1, 2017 | 2 km NNW of Tarbert, United Kingdom | M2.6 | 136 km | 7 km |
| Jun 20, 2003 | 12 km NNW of Balfron, United Kingdom | M2.5 | 67 km | 4 km |
| Jan 9, 1990 | 29 km W of Aberfeldy, United Kingdom | M2.5 | 62 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 3.5 in | Coldest, Wettest |
| February | 38°F (3°C) | 2.3 in | |
| March | 41°F (5°C) | 2.5 in | |
| April | 45°F (7°C) | 1.8 in | Driest |
| May | 50°F (10°C) | 2.1 in | |
| June | 56°F (13°C) | 2.2 in | |
| July | 59°F (15°C) | 2.2 in | Warmest |
| August | 58°F (15°C) | 2.3 in | |
| September | 54°F (12°C) | 2.8 in | |
| October | 48°F (9°C) | 3.2 in | |
| November | 42°F (6°C) | 2.9 in | |
| December | 39°F (4°C) | 3.0 in |
Perth has a seasonal temperature swing of 22°F / from 37°F in January to 59°F in July. Total annual precipitation is 30.8 inches, with January being the wettest month (3.5") and April the driest (1.8").