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Weather & Climate in Graffham, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Graffham experiences four distinct seasons with an average annual temperature of 53°F (11°C). Winters average 41°F in January while summers reach 62°F in July. The area gets 225 sunny days per year, above the national average. Annual precipitation totals 39.5 inches. The area receives 2.5 inches of snow annually. The city sits at an elevation of 161 feet.
Temperature
41°F Jan (5°C)
62°F Jul (17°C)
| Annual Average | 52.6°F |
| 3% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 225 days/yr |
Geography
| Elevation | 161 ft (49 m) |
| Area | 4.6 sq mi (11.8 km²) |
| Population Density | 113/sq mi |
| Coordinates | 50.9500°N, 0.6811°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
29 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Oct 6, 1999 | 34 km NNW of Fécamp, France | M4.6 | 120 km | 1 km |
| Apr 28, 2007 | 1 km WNW of Lympne, United Kingdom | M4.6 | 119 km | 10 km |
| Jul 14, 2011 | 62 km SSE of Ventnor, United Kingdom | M3.9 | 92 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 142 km | 2 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 136 km | 10 km |
| Sep 23, 2003 | 41 km WNW of Étretat, France | M3.6 | 125 km | 10 km |
| Sep 24, 2003 | 22 km WNW of Cauville-sur-Mer, France | M3.5 | 144 km | 17 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 131 km | 4 km |
| Jun 16, 1998 | 18 km NNW of Yport, France | M3.3 | 134 km | 5 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 24 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 40 km | 10 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 142 km | 5 km |
| May 19, 2019 | 7 km ESE of Swanage, United Kingdom | M3.0 | 93 km | 10 km |
| Aug 26, 2002 | 40 km NNW of Étretat, France | M3.0 | 111 km | 4 km |
| Nov 26, 1991 | 50 km N of Urville-Nacqueville, France | M3.0 | 116 km | 10 km |
| Jul 16, 2005 | 3 km WSW of Southwater, United Kingdom | M2.9 | 21 km | 5 km |
| Jan 27, 2015 | 1 km ENE of Winchester, United Kingdom | M2.9 | 45 km | 3 km |
| Mar 18, 2001 | 8 km W of Marlborough, United Kingdom | M2.9 | 97 km | 10 km |
| Mar 23, 1998 | 11 km W of Chickerell, United Kingdom | M2.9 | 145 km | 5 km |
| Dec 31, 1992 | 38 km WNW of Étretat, France | M2.8 | 129 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.9 m (3 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 135 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 3.9 in | Wettest |
| February | 40°F (4°C) | 2.5 in | Coldest |
| March | 43°F (6°C) | 3.0 in | |
| April | 47°F (8°C) | 2.3 in | |
| May | 53°F (12°C) | 2.1 in | |
| June | 58°F (14°C) | 2.2 in | |
| July | 62°F (17°C) | 2.1 in | Warmest, Driest |
| August | 62°F (16°C) | 2.4 in | |
| September | 57°F (14°C) | 3.1 in | |
| October | 51°F (11°C) | 3.6 in | |
| November | 45°F (7°C) | 3.8 in | |
| December | 42°F (6°C) | 3.8 in |
Graffham has a seasonal temperature swing of 22°F / from 40°F in February to 62°F in July. Total annual precipitation is 34.7 inches, with January being the wettest month (3.9") and July the driest (2.1").