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Weather & Climate in High Ongar, United Kingdom
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
High Ongar experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 42°F in January while summers reach 64°F in July. The area gets 238 sunny days per year, above the national average. Annual precipitation totals 31.0 inches. The area receives 3.4 inches of snow annually. The city sits at an elevation of 161 feet.
Temperature
42°F Jan (5°C)
64°F Jul (18°C)
| Annual Average | 53.1°F |
| 2% below US avg | |
| January Average | 42°F (5°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 238 days/yr |
Geography
| Elevation | 161 ft (49 m) |
| Area | 154.1 sq mi (399.1 km²) |
| Population Density | 8/sq mi |
| Coordinates | 51.7095°N, 0.2622°W |
| Timezone | Europe/London |
Precipitation & Snow
Air Quality
Earthquake History
37 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 | 87 km | 10 km |
| Feb 15, 1994 | 7 km ESE of Thetford, United Kingdom | M4.4 | 84 km | 10 km |
| Oct 28, 2001 | 5 km E of Long Clawson, United Kingdom | M4.2 | 148 km | 12 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 129 km | 10 km |
| Sep 23, 2000 | 1 km WSW of Warwick, United Kingdom | M4.0 | 143 km | 13 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 106 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 150 km | 2 km |
| Jan 28, 2015 | 2 km WSW of Market Overton, United Kingdom | M3.8 | 131 km | 3 km |
| May 12, 1994 | 4 km S of Shipston on Stour, United Kingdom | M3.7 | 135 km | 10 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 93 km | 12 km |
| Apr 18, 2014 | 3 km WSW of Market Overton, United Kingdom | M3.5 | 131 km | 2 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 92 km | 4 km |
| Feb 17, 1992 | 1 km W of Warboys, United Kingdom | M3.4 | 81 km | 10 km |
| Sep 9, 1995 | 0 km WNW of East Wittering, United Kingdom | M3.3 | 131 km | 10 km |
| Feb 27, 2019 | 3 km SE of Dorking, United Kingdom | M3.3 | 68 km | 10 km |
| Jan 21, 1999 | 4 km ENE of Old Leake, United Kingdom | M3.3 | 148 km | 10 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 148 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 137 km | 10 km |
| Nov 5, 1994 | 5 km N of Debenham, United Kingdom | M3.0 | 89 km | 5 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 137 km | 10 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 | — | 120 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 96 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 2.3 in | |
| February | 39°F (4°C) | 1.5 in | Coldest, Driest |
| March | 43°F (6°C) | 1.9 in | |
| April | 46°F (8°C) | 1.7 in | |
| May | 52°F (11°C) | 1.8 in | |
| June | 58°F (14°C) | 2.0 in | |
| July | 64°F (18°C) | 1.7 in | Warmest |
| August | 62°F (17°C) | 2.0 in | |
| September | 57°F (14°C) | 2.2 in | |
| October | 51°F (10°C) | 2.3 in | |
| November | 44°F (7°C) | 2.4 in | Wettest |
| December | 40°F (5°C) | 2.2 in |
High Ongar has a seasonal temperature swing of 25°F / from 39°F in February to 64°F in July. Total annual precipitation is 23.9 inches, with November being the wettest month (2.4") and February the driest (1.5").