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Weather & Climate in Mellis, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mellis experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 41°F in January while summers reach 62°F in July. The area gets 222 sunny days per year, above the national average. Annual precipitation totals 35.2 inches. The area receives 2.2 inches of snow annually. The city sits at an elevation of 174 feet.
Temperature
41°F Jan (5°C)
62°F Jul (17°C)
| Annual Average | 51.8°F |
| 4% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 222 days/yr |
Geography
| Elevation | 174 ft (53 m) |
| Area | 2.1 sq mi (5.3 km²) |
| Population Density | 253/sq mi |
| Coordinates | 52.3295°N, 1.0798°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
33 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Apr 28, 2007 | 1 km WNW of Lympne, United Kingdom | M4.6 | 139 km | 10 km |
| Feb 15, 1994 | 7 km ESE of Thetford, United Kingdom | M4.4 | 17 km | 10 km |
| Oct 28, 2001 | 5 km E of Long Clawson, United Kingdom | M4.2 | 143 km | 12 km |
| May 16, 1998 | 45 km ENE of Hemsby, United Kingdom | M4.2 | 103 km | 10 km |
| Aug 6, 2015 | 59 km ENE of Mundesley, United Kingdom | M4.2 | 119 km | 4 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 105 km | 10 km |
| Dec 21, 2000 | 38 km NNE of Cromer, United Kingdom | M4.0 | 106 km | 10 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 92 km | 10 km |
| Jan 28, 2015 | 2 km WSW of Market Overton, United Kingdom | M3.8 | 129 km | 3 km |
| May 2, 1995 | 51 km NE of Hemsby, United Kingdom | M3.7 | 109 km | 10 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 117 km | 12 km |
| Sep 20, 1994 | 55 km NE of Mundesley, United Kingdom | M3.6 | 120 km | 10 km |
| Apr 18, 2014 | 3 km WSW of Market Overton, United Kingdom | M3.5 | 130 km | 2 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 135 km | 4 km |
| Sep 27, 2003 | North Sea | M3.5 | 131 km | 10 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 80 km | 10 km |
| Aug 12, 2005 | 82 km NE of Mundesley, United Kingdom | M3.4 | 146 km | 10 km |
| Jan 30, 2002 | 25 km NNE of Sheringham, United Kingdom | M3.4 | 94 km | 10 km |
| Jan 21, 1999 | 4 km ENE of Old Leake, United Kingdom | M3.3 | 100 km | 10 km |
| Apr 5, 2008 | 3 km SSE of Middle Rasen, United Kingdom | M3.1 | 149 km | 19 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1858 | NORTH SEA | Unknown | 6.0 m | — | 149 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 137 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.1 in | |
| February | 39°F (4°C) | 1.5 in | Coldest, Driest |
| March | 43°F (6°C) | 1.7 in | |
| April | 46°F (8°C) | 1.7 in | |
| May | 52°F (11°C) | 1.7 in | |
| June | 57°F (14°C) | 2.0 in | |
| July | 62°F (17°C) | 1.8 in | Warmest |
| August | 62°F (17°C) | 2.1 in | |
| September | 57°F (14°C) | 2.1 in | |
| October | 51°F (10°C) | 2.3 in | |
| November | 44°F (7°C) | 2.4 in | Wettest |
| December | 41°F (5°C) | 2.2 in |
Mellis has a seasonal temperature swing of 24°F / from 39°F in February to 62°F in July. Total annual precipitation is 23.4 inches, with November being the wettest month (2.4") and February the driest (1.5").