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Weather & Climate in Chalfont Saint Peter, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chalfont Saint Peter experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 41°F in January while summers reach 63°F in July. The area gets 223 sunny days per year, above the national average. Annual precipitation totals 33.6 inches. The area receives 2.7 inches of snow annually. The city sits at an elevation of 217 feet.
Temperature
41°F Jan (5°C)
63°F Jul (17°C)
| Annual Average | 53.0°F |
| 2% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 223 days/yr |
Geography
| Elevation | 217 ft (66 m) |
| Area | 761.6 sq mi (1,972.5 km²) |
| Population Density | 26/sq mi |
| Coordinates | 51.6089°N, 0.5562°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
32 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 | 149 km | 9 km |
| Apr 28, 2007 | 1 km WNW of Lympne, United Kingdom | M4.6 | 123 km | 10 km |
| Feb 15, 1994 | 7 km ESE of Thetford, United Kingdom | M4.4 | 129 km | 10 km |
| Oct 28, 2001 | 5 km E of Long Clawson, United Kingdom | M4.2 | 139 km | 12 km |
| Sep 23, 2000 | 1 km WSW of Warwick, United Kingdom | M4.0 | 104 km | 13 km |
| Jan 28, 2015 | 2 km WSW of Market Overton, United Kingdom | M3.8 | 125 km | 3 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 142 km | 12 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 87 km | 10 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 132 km | 4 km |
| Apr 18, 2014 | 3 km WSW of Market Overton, United Kingdom | M3.5 | 124 km | 2 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 94 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 48 km | 10 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 96 km | 10 km |
| Feb 21, 2022 | 5 km N of Hockley, United Kingdom | M3.2 | 140 km | 10 km |
| Sep 23, 2002 | 3 km ESE of Wombourn, United Kingdom | M3.2 | 148 km | 9 km |
| Jun 17, 1999 | 7 km NNE of Ross on Wye, United Kingdom | M3.0 | 140 km | 10 km |
| May 19, 2019 | 7 km ESE of Swanage, United Kingdom | M3.0 | 147 km | 10 km |
| Nov 5, 1994 | 5 km N of Debenham, United Kingdom | M3.0 | 140 km | 5 km |
| Jan 18, 2013 | 0 km NE of Hathern, United Kingdom | M2.9 | 141 km | 13 km |
| Jan 27, 2015 | 1 km ENE of Winchester, United Kingdom | M2.9 | 79 km | 3 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 | — | 137 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.4 in | |
| February | 40°F (5°C) | 1.7 in | Coldest |
| March | 44°F (7°C) | 2.0 in | |
| April | 47°F (8°C) | 1.9 in | |
| May | 54°F (12°C) | 2.1 in | |
| June | 59°F (15°C) | 2.1 in | |
| July | 63°F (17°C) | 1.6 in | Warmest, Driest |
| August | 63°F (17°C) | 2.1 in | |
| September | 58°F (14°C) | 2.3 in | |
| October | 51°F (11°C) | 2.6 in | Wettest |
| November | 45°F (7°C) | 2.4 in | |
| December | 42°F (5°C) | 2.6 in |
Chalfont Saint Peter has a seasonal temperature swing of 23°F / from 40°F in February to 63°F in July. Total annual precipitation is 25.8 inches, with October being the wettest month (2.6") and July the driest (1.6").